Merge commit 'v2.6.34-rc6'

Conflicts:
	fs/nfsd/nfs4callback.c

514 files changed, 1806 insertions, 747 deletions

diff --git a/net/802/garp.c b/net/802/garp.c
index 1dcb0660c49d..9ed7c0e7dc17 100644
--- a/net/802/garp.c
+++ b/net/802/garp.c
@@ -14,6 +14,7 @@
 #include <linux/etherdevice.h>
 #include <linux/rtnetlink.h>
 #include <linux/llc.h>
+#include <linux/slab.h>
 #include <net/llc.h>
 #include <net/llc_pdu.h>
 #include <net/garp.h>
diff --git a/net/802/p8022.c b/net/802/p8022.c
index 2530f35241cd..7f353c4f437a 100644
--- a/net/802/p8022.c
+++ b/net/802/p8022.c
@@ -18,6 +18,7 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/datalink.h>
 #include <linux/mm.h>
 #include <linux/in.h>
diff --git a/net/802/p8023.c b/net/802/p8023.c
index 6ab1835041a7..1256a40da43c 100644
--- a/net/802/p8023.c
+++ b/net/802/p8023.c
@@ -18,6 +18,7 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 
 #include <net/datalink.h>
 #include <net/p8022.h>
diff --git a/net/802/psnap.c b/net/802/psnap.c
index 6fea0750662b..21cde8fd5795 100644
--- a/net/802/psnap.c
+++ b/net/802/psnap.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/datalink.h>
 #include <net/llc.h>
 #include <net/psnap.h>
diff --git a/net/802/stp.c b/net/802/stp.c
index 0b7a24452d11..53c8f77f0ccd 100644
--- a/net/802/stp.c
+++ b/net/802/stp.c
@@ -11,6 +11,7 @@
 #include <linux/skbuff.h>
 #include <linux/etherdevice.h>
 #include <linux/llc.h>
+#include <linux/slab.h>
 #include <net/llc.h>
 #include <net/llc_pdu.h>
 #include <net/stp.h>
diff --git a/net/802/tr.c b/net/802/tr.c
index 44acce47fcdc..1c6e596074df 100644
--- a/net/802/tr.c
+++ b/net/802/tr.c
@@ -36,6 +36,7 @@
 #include <linux/seq_file.h>
 #include <linux/init.h>
 #include <linux/sysctl.h>
+#include <linux/slab.h>
 #include <net/arp.h>
 #include <net/net_namespace.h>
 
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 453512266ea1..97da977c2a23 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -22,6 +22,7 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/rculist.h>
 #include <net/p8022.h>
@@ -378,6 +379,8 @@ static void vlan_transfer_features(struct net_device *dev,
 #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
         vlandev->fcoe_ddp_xid = dev->fcoe_ddp_xid;
 #endif
+        vlandev->real_num_tx_queues = dev->real_num_tx_queues;
+        BUG_ON(vlandev->real_num_tx_queues > vlandev->num_tx_queues);
 
         if (old_features != vlandev->features)
                 netdev_features_change(vlandev);
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index c0316e0ca6e8..c584a0af77d3 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -11,7 +11,7 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
         if (netpoll_rx(skb))
                 return NET_RX_DROP;
 
-        if (skb_bond_should_drop(skb))
+        if (skb_bond_should_drop(skb, ACCESS_ONCE(skb->dev->master)))
                 goto drop;
 
         skb->skb_iif = skb->dev->ifindex;
@@ -83,7 +83,7 @@ vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
 {
         struct sk_buff *p;
 
-        if (skb_bond_should_drop(skb))
+        if (skb_bond_should_drop(skb, ACCESS_ONCE(skb->dev->master)))
                 goto drop;
 
         skb->skb_iif = skb->dev->ifindex;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 9e83272fc5b0..29b6348c8d4d 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -21,6 +21,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
@@ -361,6 +362,14 @@ static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
         return ret;
 }
 
+static u16 vlan_dev_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+        struct net_device *rdev = vlan_dev_info(dev)->real_dev;
+        const struct net_device_ops *ops = rdev->netdev_ops;
+
+        return ops->ndo_select_queue(rdev, skb);
+}
+
 static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)
 {
         /* TODO: gotta make sure the underlying layer can handle it,
@@ -688,7 +697,8 @@ static const struct header_ops vlan_header_ops = {
         .parse   = eth_header_parse,
 };
 
-static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops;
+static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops,
+                    vlan_netdev_ops_sq, vlan_netdev_accel_ops_sq;
 
 static int vlan_dev_init(struct net_device *dev)
 {
@@ -722,11 +732,17 @@ static int vlan_dev_init(struct net_device *dev)
         if (real_dev->features & NETIF_F_HW_VLAN_TX) {
                 dev->header_ops      = real_dev->header_ops;
                 dev->hard_header_len = real_dev->hard_header_len;
-                dev->netdev_ops         = &vlan_netdev_accel_ops;
+                if (real_dev->netdev_ops->ndo_select_queue)
+                        dev->netdev_ops = &vlan_netdev_accel_ops_sq;
+                else
+                        dev->netdev_ops = &vlan_netdev_accel_ops;
         } else {
                 dev->header_ops      = &vlan_header_ops;
                 dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
-                dev->netdev_ops         = &vlan_netdev_ops;
+                if (real_dev->netdev_ops->ndo_select_queue)
+                        dev->netdev_ops = &vlan_netdev_ops_sq;
+                else
+                        dev->netdev_ops = &vlan_netdev_ops;
         }
 
         if (is_vlan_dev(real_dev))
@@ -865,6 +881,56 @@ static const struct net_device_ops vlan_netdev_accel_ops = {
 #endif
 };
 
+static const struct net_device_ops vlan_netdev_ops_sq = {
+        .ndo_select_queue       = vlan_dev_select_queue,
+        .ndo_change_mtu         = vlan_dev_change_mtu,
+        .ndo_init               = vlan_dev_init,
+        .ndo_uninit             = vlan_dev_uninit,
+        .ndo_open               = vlan_dev_open,
+        .ndo_stop               = vlan_dev_stop,
+        .ndo_start_xmit =  vlan_dev_hard_start_xmit,
+        .ndo_validate_addr      = eth_validate_addr,
+        .ndo_set_mac_address    = vlan_dev_set_mac_address,
+        .ndo_set_rx_mode        = vlan_dev_set_rx_mode,
+        .ndo_set_multicast_list = vlan_dev_set_rx_mode,
+        .ndo_change_rx_flags    = vlan_dev_change_rx_flags,
+        .ndo_do_ioctl           = vlan_dev_ioctl,
+        .ndo_neigh_setup        = vlan_dev_neigh_setup,
+        .ndo_get_stats          = vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+        .ndo_fcoe_ddp_setup     = vlan_dev_fcoe_ddp_setup,
+        .ndo_fcoe_ddp_done      = vlan_dev_fcoe_ddp_done,
+        .ndo_fcoe_enable        = vlan_dev_fcoe_enable,
+        .ndo_fcoe_disable       = vlan_dev_fcoe_disable,
+        .ndo_fcoe_get_wwn       = vlan_dev_fcoe_get_wwn,
+#endif
+};
+
+static const struct net_device_ops vlan_netdev_accel_ops_sq = {
+        .ndo_select_queue       = vlan_dev_select_queue,
+        .ndo_change_mtu         = vlan_dev_change_mtu,
+        .ndo_init               = vlan_dev_init,
+        .ndo_uninit             = vlan_dev_uninit,
+        .ndo_open               = vlan_dev_open,
+        .ndo_stop               = vlan_dev_stop,
+        .ndo_start_xmit =  vlan_dev_hwaccel_hard_start_xmit,
+        .ndo_validate_addr      = eth_validate_addr,
+        .ndo_set_mac_address    = vlan_dev_set_mac_address,
+        .ndo_set_rx_mode        = vlan_dev_set_rx_mode,
+        .ndo_set_multicast_list = vlan_dev_set_rx_mode,
+        .ndo_change_rx_flags    = vlan_dev_change_rx_flags,
+        .ndo_do_ioctl           = vlan_dev_ioctl,
+        .ndo_neigh_setup        = vlan_dev_neigh_setup,
+        .ndo_get_stats          = vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+        .ndo_fcoe_ddp_setup     = vlan_dev_fcoe_ddp_setup,
+        .ndo_fcoe_ddp_done      = vlan_dev_fcoe_ddp_done,
+        .ndo_fcoe_enable        = vlan_dev_fcoe_enable,
+        .ndo_fcoe_disable       = vlan_dev_fcoe_disable,
+        .ndo_fcoe_get_wwn       = vlan_dev_fcoe_get_wwn,
+#endif
+};
+
 void vlan_setup(struct net_device *dev)
 {
         ether_setup(dev);
diff --git a/net/9p/client.c b/net/9p/client.c
index bde9f3d38c57..0aa79faa9850 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -29,6 +29,7 @@
 #include <linux/poll.h>
 #include <linux/idr.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/uaccess.h>
 #include <net/9p/9p.h>
@@ -60,7 +61,7 @@ static const match_table_t tokens = {
 
 inline int p9_is_proto_dotl(struct p9_client *clnt)
 {
-        return (clnt->proto_version == p9_proto_2010L);
+        return (clnt->proto_version == p9_proto_2000L);
 }
 EXPORT_SYMBOL(p9_is_proto_dotl);
 
@@ -71,18 +72,19 @@ inline int p9_is_proto_dotu(struct p9_client *clnt)
 EXPORT_SYMBOL(p9_is_proto_dotu);
 
 /* Interpret mount option for protocol version */
-static unsigned char get_protocol_version(const substring_t *name)
+static int get_protocol_version(const substring_t *name)
 {
-        unsigned char version = -EINVAL;
+        int version = -EINVAL;
+
         if (!strncmp("9p2000", name->from, name->to-name->from)) {
                 version = p9_proto_legacy;
                 P9_DPRINTK(P9_DEBUG_9P, "Protocol version: Legacy\n");
         } else if (!strncmp("9p2000.u", name->from, name->to-name->from)) {
                 version = p9_proto_2000u;
                 P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.u\n");
-        } else if (!strncmp("9p2010.L", name->from, name->to-name->from)) {
-                version = p9_proto_2010L;
-                P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2010.L\n");
+        } else if (!strncmp("9p2000.L", name->from, name->to-name->from)) {
+                version = p9_proto_2000L;
+                P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.L\n");
         } else {
                 P9_DPRINTK(P9_DEBUG_ERROR, "Unknown protocol version %s. ",
                                                         name->from);
@@ -533,7 +535,12 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
 
         P9_DPRINTK(P9_DEBUG_MUX, "client %p op %d\n", c, type);
 
-        if (c->status != Connected)
+        /* we allow for any status other than disconnected */
+        if (c->status == Disconnected)
+                return ERR_PTR(-EIO);
+
+        /* if status is begin_disconnected we allow only clunk request */
+        if ((c->status == BeginDisconnect) && (type != P9_TCLUNK))
                 return ERR_PTR(-EIO);
 
         if (signal_pending(current)) {
@@ -672,9 +679,9 @@ int p9_client_version(struct p9_client *c)
                                                 c->msize, c->proto_version);
 
         switch (c->proto_version) {
-        case p9_proto_2010L:
+        case p9_proto_2000L:
                 req = p9_client_rpc(c, P9_TVERSION, "ds",
-                                        c->msize, "9P2010.L");
+                                        c->msize, "9P2000.L");
                 break;
         case p9_proto_2000u:
                 req = p9_client_rpc(c, P9_TVERSION, "ds",
@@ -700,8 +707,8 @@ int p9_client_version(struct p9_client *c)
         }
 
         P9_DPRINTK(P9_DEBUG_9P, "<<< RVERSION msize %d %s\n", msize, version);
-        if (!strncmp(version, "9P2010.L", 8))
-                c->proto_version = p9_proto_2010L;
+        if (!strncmp(version, "9P2000.L", 8))
+                c->proto_version = p9_proto_2000L;
         else if (!strncmp(version, "9P2000.u", 8))
                 c->proto_version = p9_proto_2000u;
         else if (!strncmp(version, "9P2000", 6))
@@ -799,8 +806,10 @@ void p9_client_destroy(struct p9_client *clnt)
 
         v9fs_put_trans(clnt->trans_mod);
 
-        list_for_each_entry_safe(fid, fidptr, &clnt->fidlist, flist)
+        list_for_each_entry_safe(fid, fidptr, &clnt->fidlist, flist) {
+                printk(KERN_INFO "Found fid %d not clunked\n", fid->fid);
                 p9_fid_destroy(fid);
+        }
 
         if (clnt->fidpool)
                 p9_idpool_destroy(clnt->fidpool);
@@ -818,6 +827,13 @@ void p9_client_disconnect(struct p9_client *clnt)
 }
 EXPORT_SYMBOL(p9_client_disconnect);
 
+void p9_client_begin_disconnect(struct p9_client *clnt)
+{
+        P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt);
+        clnt->status = BeginDisconnect;
+}
+EXPORT_SYMBOL(p9_client_begin_disconnect);
+
 struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
         char *uname, u32 n_uname, char *aname)
 {
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 94f5a8f65e9c..e7541d5b0118 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -28,6 +28,7 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
+#include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/types.h>
 #include <net/9p/9p.h>
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 31d0b05582a9..98ce9bcb0e15 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -38,6 +38,7 @@
 #include <linux/idr.h>
 #include <linux/file.h>
 #include <linux/parser.h>
+#include <linux/slab.h>
 #include <net/9p/9p.h>
 #include <net/9p/client.h>
 #include <net/9p/transport.h>
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 2c95a89c0f46..041101ab4aa5 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -40,6 +40,7 @@
 #include <linux/file.h>
 #include <linux/parser.h>
 #include <linux/semaphore.h>
+#include <linux/slab.h>
 #include <net/9p/9p.h>
 #include <net/9p/client.h>
 #include <net/9p/transport.h>
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 0aaed4819379..7eb78ecc1618 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -37,6 +37,7 @@
 #include <linux/inet.h>
 #include <linux/idr.h>
 #include <linux/file.h>
+#include <linux/slab.h>
 #include <net/9p/9p.h>
 #include <linux/parser.h>
 #include <net/9p/client.h>
@@ -78,6 +79,12 @@ struct virtio_chan {
         /* Scatterlist: can be too big for stack. */
         struct scatterlist sg[VIRTQUEUE_NUM];
 
+        int tag_len;
+        /*
+         * tag name to identify a mount Non-null terminated
+         */
+        char *tag;
+
         struct list_head chan_list;
 };
 
@@ -214,6 +221,20 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req)
         return 0;
 }
 
+static ssize_t p9_mount_tag_show(struct device *dev,
+                                struct device_attribute *attr, char *buf)
+{
+        struct virtio_chan *chan;
+        struct virtio_device *vdev;
+
+        vdev = dev_to_virtio(dev);
+        chan = vdev->priv;
+
+        return snprintf(buf, chan->tag_len + 1, "%s", chan->tag);
+}
+
+static DEVICE_ATTR(mount_tag, 0444, p9_mount_tag_show, NULL);
+
 /**
  * p9_virtio_probe - probe for existence of 9P virtio channels
  * @vdev: virtio device to probe
@@ -224,6 +245,8 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req)
 
 static int p9_virtio_probe(struct virtio_device *vdev)
 {
+        __u16 tag_len;
+        char *tag;
         int err;
         struct virtio_chan *chan;
 
@@ -248,6 +271,28 @@ static int p9_virtio_probe(struct virtio_device *vdev)
         sg_init_table(chan->sg, VIRTQUEUE_NUM);
 
         chan->inuse = false;
+        if (virtio_has_feature(vdev, VIRTIO_9P_MOUNT_TAG)) {
+                vdev->config->get(vdev,
+                                offsetof(struct virtio_9p_config, tag_len),
+                                &tag_len, sizeof(tag_len));
+        } else {
+                err = -EINVAL;
+                goto out_free_vq;
+        }
+        tag = kmalloc(tag_len, GFP_KERNEL);
+        if (!tag) {
+                err = -ENOMEM;
+                goto out_free_vq;
+        }
+        vdev->config->get(vdev, offsetof(struct virtio_9p_config, tag),
+                        tag, tag_len);
+        chan->tag = tag;
+        chan->tag_len = tag_len;
+        err = sysfs_create_file(&(vdev->dev.kobj), &dev_attr_mount_tag.attr);
+        if (err) {
+                kfree(tag);
+                goto out_free_vq;
+        }
         mutex_lock(&virtio_9p_lock);
         list_add_tail(&chan->chan_list, &virtio_chan_list);
         mutex_unlock(&virtio_9p_lock);
@@ -284,7 +329,7 @@ p9_virtio_create(struct p9_client *client, const char *devname, char *args)
 
         mutex_lock(&virtio_9p_lock);
         list_for_each_entry(chan, &virtio_chan_list, chan_list) {
-                if (!strcmp(devname, dev_name(&chan->vdev->dev))) {
+                if (!strncmp(devname, chan->tag, chan->tag_len)) {
                         if (!chan->inuse) {
                                 chan->inuse = true;
                                 found = 1;
@@ -323,6 +368,8 @@ static void p9_virtio_remove(struct virtio_device *vdev)
         mutex_lock(&virtio_9p_lock);
         list_del(&chan->chan_list);
         mutex_unlock(&virtio_9p_lock);
+        sysfs_remove_file(&(vdev->dev.kobj), &dev_attr_mount_tag.attr);
+        kfree(chan->tag);
         kfree(chan);
 
 }
@@ -332,13 +379,19 @@ static struct virtio_device_id id_table[] = {
         { 0 },
 };
 
+static unsigned int features[] = {
+        VIRTIO_9P_MOUNT_TAG,
+};
+
 /* The standard "struct lguest_driver": */
 static struct virtio_driver p9_virtio_drv = {
-        .driver.name =  KBUILD_MODNAME,
-        .driver.owner = THIS_MODULE,
-        .id_table =     id_table,
-        .probe =        p9_virtio_probe,
-        .remove =       p9_virtio_remove,
+        .feature_table  = features,
+        .feature_table_size = ARRAY_SIZE(features),
+        .driver.name    = KBUILD_MODNAME,
+        .driver.owner   = THIS_MODULE,
+        .id_table       = id_table,
+        .probe          = p9_virtio_probe,
+        .remove         = p9_virtio_remove,
 };
 
 static struct p9_trans_module p9_virtio_trans = {
diff --git a/net/9p/util.c b/net/9p/util.c
index dc4ec05ad93d..e048701a72d2 100644
--- a/net/9p/util.c
+++ b/net/9p/util.c
@@ -30,6 +30,7 @@
 #include <linux/sched.h>
 #include <linux/parser.h>
 #include <linux/idr.h>
+#include <linux/slab.h>
 #include <net/9p/9p.h>
 
 /**
diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c
index f2b3b56aa779..50dce7981321 100644
--- a/net/appletalk/aarp.c
+++ b/net/appletalk/aarp.c
@@ -30,6 +30,7 @@
  */
 
 #include <linux/if_arp.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/datalink.h>
 #include <net/psnap.h>
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 9fc4da56fb1d..7b02967fbbe7 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -57,6 +57,7 @@
 #include <linux/smp_lock.h>
 #include <linux/termios.h>      /* For TIOCOUTQ/INQ */
 #include <linux/compat.h>
+#include <linux/slab.h>
 #include <net/datalink.h>
 #include <net/psnap.h>
 #include <net/sock.h>
diff --git a/net/atm/addr.c b/net/atm/addr.c
index cf3ae8b47572..dcda35c66f15 100644
--- a/net/atm/addr.c
+++ b/net/atm/addr.c
@@ -4,6 +4,7 @@
 
 #include <linux/atm.h>
 #include <linux/atmdev.h>
+#include <linux/slab.h>
 #include <linux/uaccess.h>
 
 #include "signaling.h"
diff --git a/net/atm/atm_sysfs.c b/net/atm/atm_sysfs.c
index f693b78eb467..799c631f0fed 100644
--- a/net/atm/atm_sysfs.c
+++ b/net/atm/atm_sysfs.c
@@ -1,6 +1,7 @@
 /* ATM driver model support. */
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/kobject.h>
 #include <linux/atmdev.h>
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 4d64d87e7578..d6c7ceaf13e9 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -18,6 +18,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/ip.h>
 #include <linux/uaccess.h>
+#include <linux/slab.h>
 #include <net/arp.h>
 #include <linux/atm.h>
 #include <linux/atmdev.h>
diff --git a/net/atm/clip.c b/net/atm/clip.c
index ebfa022008f7..313aba11316b 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -30,6 +30,7 @@
 #include <linux/seq_file.h>
 #include <linux/rcupdate.h>
 #include <linux/jhash.h>
+#include <linux/slab.h>
 #include <net/route.h> /* for struct rtable and routing */
 #include <net/icmp.h> /* icmp_send */
 #include <linux/param.h> /* for HZ */
diff --git a/net/atm/common.c b/net/atm/common.c
index 74d095a081e3..97ed94aa0cbc 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -18,6 +18,7 @@
 #include <linux/skbuff.h>
 #include <linux/bitops.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/sock.h>           /* struct sock */
 #include <linux/uaccess.h>
 #include <linux/poll.h>
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 5da5753157f9..feeaf5718472 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -6,6 +6,7 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__
 
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/bitops.h>
 #include <linux/capability.h>
diff --git a/net/atm/mpc.c b/net/atm/mpc.c
index a6521c8aa88b..436f2e177657 100644
--- a/net/atm/mpc.c
+++ b/net/atm/mpc.c
@@ -2,6 +2,7 @@
 
 #include <linux/kernel.h>
 #include <linux/string.h>
+#include <linux/slab.h>
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/bitops.h>
diff --git a/net/atm/mpoa_caches.c b/net/atm/mpoa_caches.c
index 4c141810eb6d..e773d8336918 100644
--- a/net/atm/mpoa_caches.c
+++ b/net/atm/mpoa_caches.c
@@ -1,5 +1,6 @@
 #include <linux/types.h>
 #include <linux/atmmpc.h>
+#include <linux/slab.h>
 #include <linux/time.h>
 
 #include "mpoa_caches.h"
diff --git a/net/atm/mpoa_proc.c b/net/atm/mpoa_proc.c
index b9bdb98427e4..53e500292271 100644
--- a/net/atm/mpoa_proc.c
+++ b/net/atm/mpoa_proc.c
@@ -12,6 +12,7 @@
 #include <linux/uaccess.h>
 #include <linux/atmmpc.h>
 #include <linux/atm.h>
+#include <linux/gfp.h>
 #include "mpc.h"
 #include "mpoa_caches.h"
 
diff --git a/net/atm/pppoatm.c b/net/atm/pppoatm.c
index 400839273c67..e49bb6d948a1 100644
--- a/net/atm/pppoatm.c
+++ b/net/atm/pppoatm.c
@@ -38,6 +38,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <linux/atm.h>
 #include <linux/atmdev.h>
 #include <linux/capability.h>
diff --git a/net/atm/proc.c b/net/atm/proc.c
index 7a96b2376bd7..696e218436e5 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -22,6 +22,7 @@
 #include <linux/netdevice.h>
 #include <linux/atmclip.h>
 #include <linux/init.h> /* for __init */
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/atmclip.h>
 #include <linux/uaccess.h>
diff --git a/net/atm/raw.c b/net/atm/raw.c
index d0c4bd047dc4..b4f7b9ff3c74 100644
--- a/net/atm/raw.c
+++ b/net/atm/raw.c
@@ -10,6 +10,7 @@
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
 #include <linux/mm.h>
+#include <linux/slab.h>
 
 #include "common.h"
 #include "protocols.h"
diff --git a/net/atm/resources.c b/net/atm/resources.c
index 90082904f20d..d29e58261511 100644
--- a/net/atm/resources.c
+++ b/net/atm/resources.c
@@ -19,6 +19,7 @@
 #include <linux/capability.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 
 #include <net/sock.h>    /* for struct sock */
 
diff --git a/net/atm/signaling.c b/net/atm/signaling.c
index ad1d28ae512b..6ba6e466ee54 100644
--- a/net/atm/signaling.c
+++ b/net/atm/signaling.c
@@ -14,6 +14,7 @@
 #include <linux/atmsvc.h>
 #include <linux/atmdev.h>
 #include <linux/bitops.h>
+#include <linux/slab.h>
 
 #include "resources.h"
 #include "signaling.h"
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index a5beedf43e2d..65c5801261f9 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -25,6 +25,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/ax25/ax25_dev.c b/net/ax25/ax25_dev.c
index a7a0e0c9698b..c1cb982f6e86 100644
--- a/net/ax25/ax25_dev.c
+++ b/net/ax25/ax25_dev.c
@@ -9,6 +9,7 @@
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/socket.h>
+#include <linux/slab.h>
 #include <linux/in.h>
 #include <linux/kernel.h>
 #include <linux/timer.h>
diff --git a/net/ax25/ax25_ds_subr.c b/net/ax25/ax25_ds_subr.c
index b5e59787be2f..85816e612dc0 100644
--- a/net/ax25/ax25_ds_subr.c
+++ b/net/ax25/ax25_ds_subr.c
@@ -17,6 +17,7 @@
 #include <linux/sockios.h>
 #include <linux/spinlock.h>
 #include <linux/net.h>
+#include <linux/gfp.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/ax25/ax25_iface.c b/net/ax25/ax25_iface.c
index 71338f112108..5a0dda8df492 100644
--- a/net/ax25/ax25_iface.c
+++ b/net/ax25/ax25_iface.c
@@ -17,6 +17,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c
index de56d3983de0..9bb776541203 100644
--- a/net/ax25/ax25_in.c
+++ b/net/ax25/ax25_in.c
@@ -18,6 +18,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/ax25/ax25_ip.c b/net/ax25/ax25_ip.c
index f047a57aa95c..cf0c47a26530 100644
--- a/net/ax25/ax25_ip.c
+++ b/net/ax25/ax25_ip.c
@@ -16,6 +16,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/ax25/ax25_out.c b/net/ax25/ax25_out.c
index 14912600ec57..37507d806f65 100644
--- a/net/ax25/ax25_out.c
+++ b/net/ax25/ax25_out.c
@@ -19,6 +19,7 @@
 #include <linux/sockios.h>
 #include <linux/spinlock.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index c833ba4c45a5..7805945a5fd6 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -23,6 +23,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c
index 034aa10a5198..c6715ee4ab8f 100644
--- a/net/ax25/ax25_subr.c
+++ b/net/ax25/ax25_subr.c
@@ -18,6 +18,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index 9f13f6eefcba..d349be9578f5 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -18,6 +18,7 @@
 #include <linux/sockios.h>
 #include <linux/net.h>
 #include <linux/spinlock.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c
index 5159be6b2625..ebe0ef3f1d83 100644
--- a/net/ax25/sysctl_net_ax25.c
+++ b/net/ax25/sysctl_net_ax25.c
@@ -7,6 +7,7 @@
  * Copyright (C) 1996 Mike Shaver (shaver@zeroknowledge.com)
  */
 #include <linux/mm.h>
+#include <linux/slab.h>
 #include <linux/sysctl.h>
 #include <linux/spinlock.h>
 #include <net/ax25.h>
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 087cc51f5927..404a8500fd03 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -31,7 +31,6 @@
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
-#include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/init.h>
 #include <linux/poll.h>
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index ef09c7b3a858..8062dad6d10d 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -35,6 +35,7 @@
 #include <linux/freezer.h>
 #include <linux/errno.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 
 #include <linux/socket.h>
diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c
index b6234b73c4cf..5643a2391e76 100644
--- a/net/bluetooth/bnep/netdev.c
+++ b/net/bluetooth/bnep/netdev.c
@@ -26,6 +26,7 @@
 */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 
 #include <linux/socket.h>
 #include <linux/netdevice.h>
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index 2ff6ac7b2ed4..2862f53b66b1 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -30,7 +30,6 @@
 #include <linux/capability.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
-#include <linux/slab.h>
 #include <linux/poll.h>
 #include <linux/fcntl.h>
 #include <linux/skbuff.h>
@@ -39,6 +38,7 @@
 #include <linux/file.h>
 #include <linux/init.h>
 #include <linux/compat.h>
+#include <linux/gfp.h>
 #include <net/sock.h>
 
 #include <asm/system.h>
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index 978cc3a718ad..7ea1979a8e4f 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -26,7 +26,6 @@
 #include <linux/capability.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
-#include <linux/slab.h>
 #include <linux/poll.h>
 #include <linux/fcntl.h>
 #include <linux/skbuff.h>
@@ -34,6 +33,7 @@
 #include <linux/ioctl.h>
 #include <linux/file.h>
 #include <linux/compat.h>
+#include <linux/gfp.h>
 #include <net/sock.h>
 
 #include <linux/isdn/capilli.h>
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 1a79a6c7e30e..0e8e1a59856c 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -1,14 +1,15 @@
 /* Bluetooth HCI driver model support. */
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/debugfs.h>
+#include <linux/seq_file.h>
 
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
 
-struct class *bt_class = NULL;
-EXPORT_SYMBOL_GPL(bt_class);
+static struct class *bt_class;
 
 struct dentry *bt_debugfs = NULL;
 EXPORT_SYMBOL_GPL(bt_debugfs);
@@ -405,20 +406,11 @@ static struct device_type bt_host = {
         .release = bt_host_release,
 };
 
-static int inquiry_cache_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
-
-static ssize_t inquiry_cache_read(struct file *file, char __user *userbuf,
-                                                size_t count, loff_t *ppos)
+static int inquiry_cache_show(struct seq_file *f, void *p)
 {
-        struct hci_dev *hdev = file->private_data;
+        struct hci_dev *hdev = f->private;
         struct inquiry_cache *cache = &hdev->inq_cache;
         struct inquiry_entry *e;
-        char buf[4096];
-        int n = 0;
 
         hci_dev_lock_bh(hdev);
 
@@ -426,23 +418,30 @@ static ssize_t inquiry_cache_read(struct file *file, char __user *userbuf,
                 struct inquiry_data *data = &e->data;
                 bdaddr_t bdaddr;
                 baswap(&bdaddr, &data->bdaddr);
-                n += sprintf(buf + n, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
-                                batostr(&bdaddr),
-                                data->pscan_rep_mode, data->pscan_period_mode,
-                                data->pscan_mode, data->dev_class[2],
-                                data->dev_class[1], data->dev_class[0],
-                                __le16_to_cpu(data->clock_offset),
-                                data->rssi, data->ssp_mode, e->timestamp);
+                seq_printf(f, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
+                           batostr(&bdaddr),
+                           data->pscan_rep_mode, data->pscan_period_mode,
+                           data->pscan_mode, data->dev_class[2],
+                           data->dev_class[1], data->dev_class[0],
+                           __le16_to_cpu(data->clock_offset),
+                           data->rssi, data->ssp_mode, e->timestamp);
         }
 
         hci_dev_unlock_bh(hdev);
 
-        return simple_read_from_buffer(userbuf, count, ppos, buf, n);
+        return 0;
+}
+
+static int inquiry_cache_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, inquiry_cache_show, inode->i_private);
 }
 
 static const struct file_operations inquiry_cache_fops = {
-        .open = inquiry_cache_open,
-        .read = inquiry_cache_read,
+        .open           = inquiry_cache_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
 };
 
 int hci_register_sysfs(struct hci_dev *hdev)
diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c
index 9cfef68b9fec..250dfd46237d 100644
--- a/net/bluetooth/hidp/sock.c
+++ b/net/bluetooth/hidp/sock.c
@@ -26,7 +26,6 @@
 #include <linux/capability.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
-#include <linux/slab.h>
 #include <linux/poll.h>
 #include <linux/fcntl.h>
 #include <linux/skbuff.h>
@@ -35,6 +34,7 @@
 #include <linux/file.h>
 #include <linux/init.h>
 #include <linux/compat.h>
+#include <linux/gfp.h>
 #include <net/sock.h>
 
 #include "hidp.h"
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 4db7ae2fe07d..9753b690a8b3 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -40,6 +40,8 @@
 #include <linux/skbuff.h>
 #include <linux/list.h>
 #include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
 #include <linux/uaccess.h>
 #include <linux/crc16.h>
 #include <net/sock.h>
@@ -1000,7 +1002,8 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
 
         BT_DBG("sk %p", sk);
 
-        if (!addr || addr->sa_family != AF_BLUETOOTH)
+        if (!addr || alen < sizeof(addr->sa_family) ||
+            addr->sa_family != AF_BLUETOOTH)
                 return -EINVAL;
 
         memset(&la, 0, sizeof(la));
@@ -1623,7 +1626,10 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
         /* Connectionless channel */
         if (sk->sk_type == SOCK_DGRAM) {
                 skb = l2cap_create_connless_pdu(sk, msg, len);
-                err = l2cap_do_send(sk, skb);
+                if (IS_ERR(skb))
+                        err = PTR_ERR(skb);
+                else
+                        err = l2cap_do_send(sk, skb);
                 goto done;
         }
 
@@ -2830,6 +2836,11 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
                         int len = cmd->len - sizeof(*rsp);
                         char req[64];
 
+                        if (len > sizeof(req) - sizeof(struct l2cap_conf_req)) {
+                                l2cap_send_disconn_req(conn, sk);
+                                goto done;
+                        }
+
                         /* throw out any old stored conf requests */
                         result = L2CAP_CONF_SUCCESS;
                         len = l2cap_parse_conf_rsp(sk, rsp->data,
@@ -3937,31 +3948,42 @@ drop:
         return 0;
 }
 
-static ssize_t l2cap_sysfs_show(struct class *dev,
-                                struct class_attribute *attr,
-                                char *buf)
+static int l2cap_debugfs_show(struct seq_file *f, void *p)
 {
         struct sock *sk;
         struct hlist_node *node;
-        char *str = buf;
 
         read_lock_bh(&l2cap_sk_list.lock);
 
         sk_for_each(sk, node, &l2cap_sk_list.head) {
                 struct l2cap_pinfo *pi = l2cap_pi(sk);
 
-                str += sprintf(str, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
-                                batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
-                                sk->sk_state, __le16_to_cpu(pi->psm), pi->scid,
-                                pi->dcid, pi->imtu, pi->omtu, pi->sec_level);
+                seq_printf(f, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
+                                        batostr(&bt_sk(sk)->src),
+                                        batostr(&bt_sk(sk)->dst),
+                                        sk->sk_state, __le16_to_cpu(pi->psm),
+                                        pi->scid, pi->dcid,
+                                        pi->imtu, pi->omtu, pi->sec_level);
         }
 
         read_unlock_bh(&l2cap_sk_list.lock);
 
-        return str - buf;
+        return 0;
 }
 
-static CLASS_ATTR(l2cap, S_IRUGO, l2cap_sysfs_show, NULL);
+static int l2cap_debugfs_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, l2cap_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations l2cap_debugfs_fops = {
+        .open           = l2cap_debugfs_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+static struct dentry *l2cap_debugfs;
 
 static const struct proto_ops l2cap_sock_ops = {
         .family         = PF_BLUETOOTH,
@@ -4021,8 +4043,12 @@ static int __init l2cap_init(void)
                 goto error;
         }
 
-        if (class_create_file(bt_class, &class_attr_l2cap) < 0)
-                BT_ERR("Failed to create L2CAP info file");
+        if (bt_debugfs) {
+                l2cap_debugfs = debugfs_create_file("l2cap", 0444,
+                                        bt_debugfs, NULL, &l2cap_debugfs_fops);
+                if (!l2cap_debugfs)
+                        BT_ERR("Failed to create L2CAP debug file");
+        }
 
         BT_INFO("L2CAP ver %s", VERSION);
         BT_INFO("L2CAP socket layer initialized");
@@ -4036,7 +4062,7 @@ error:
 
 static void __exit l2cap_exit(void)
 {
-        class_remove_file(bt_class, &class_attr_l2cap);
+        debugfs_remove(l2cap_debugfs);
 
         if (bt_sock_unregister(BTPROTO_L2CAP) < 0)
                 BT_ERR("L2CAP socket unregistration failed");
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index db8a68e1a5ba..7dca91bb8c57 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -33,9 +33,12 @@
 #include <linux/init.h>
 #include <linux/wait.h>
 #include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
 #include <linux/net.h>
 #include <linux/mutex.h>
 #include <linux/kthread.h>
+#include <linux/slab.h>
 
 #include <net/sock.h>
 #include <asm/uaccess.h>
@@ -2098,13 +2101,10 @@ static struct hci_cb rfcomm_cb = {
         .security_cfm   = rfcomm_security_cfm
 };
 
-static ssize_t rfcomm_dlc_sysfs_show(struct class *dev,
-                                     struct class_attribute *attr,
-                                     char *buf)
+static int rfcomm_dlc_debugfs_show(struct seq_file *f, void *x)
 {
         struct rfcomm_session *s;
         struct list_head *pp, *p;
-        char *str = buf;
 
         rfcomm_lock();
 
@@ -2114,18 +2114,32 @@ static ssize_t rfcomm_dlc_sysfs_show(struct class *dev,
                         struct sock *sk = s->sock->sk;
                         struct rfcomm_dlc *d = list_entry(pp, struct rfcomm_dlc, list);
 
-                        str += sprintf(str, "%s %s %ld %d %d %d %d\n",
-                                        batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
-                                        d->state, d->dlci, d->mtu, d->rx_credits, d->tx_credits);
+                        seq_printf(f, "%s %s %ld %d %d %d %d\n",
+                                                batostr(&bt_sk(sk)->src),
+                                                batostr(&bt_sk(sk)->dst),
+                                                d->state, d->dlci, d->mtu,
+                                                d->rx_credits, d->tx_credits);
                 }
         }
 
         rfcomm_unlock();
 
-        return (str - buf);
+        return 0;
 }
 
-static CLASS_ATTR(rfcomm_dlc, S_IRUGO, rfcomm_dlc_sysfs_show, NULL);
+static int rfcomm_dlc_debugfs_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, rfcomm_dlc_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations rfcomm_dlc_debugfs_fops = {
+        .open           = rfcomm_dlc_debugfs_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+static struct dentry *rfcomm_dlc_debugfs;
 
 /* ---- Initialization ---- */
 static int __init rfcomm_init(void)
@@ -2142,8 +2156,12 @@ static int __init rfcomm_init(void)
                 goto unregister;
         }
 
-        if (class_create_file(bt_class, &class_attr_rfcomm_dlc) < 0)
-                BT_ERR("Failed to create RFCOMM info file");
+        if (bt_debugfs) {
+                rfcomm_dlc_debugfs = debugfs_create_file("rfcomm_dlc", 0444,
+                                bt_debugfs, NULL, &rfcomm_dlc_debugfs_fops);
+                if (!rfcomm_dlc_debugfs)
+                        BT_ERR("Failed to create RFCOMM debug file");
+        }
 
         err = rfcomm_init_ttys();
         if (err < 0)
@@ -2171,7 +2189,7 @@ unregister:
 
 static void __exit rfcomm_exit(void)
 {
-        class_remove_file(bt_class, &class_attr_rfcomm_dlc);
+        debugfs_remove(rfcomm_dlc_debugfs);
 
         hci_unregister_cb(&rfcomm_cb);
 
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index ca87d6ac6a20..8ed3c37684fa 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -40,6 +40,8 @@
 #include <linux/skbuff.h>
 #include <linux/list.h>
 #include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
 #include <net/sock.h>
 
 #include <asm/system.h>
@@ -395,7 +397,8 @@ static int rfcomm_sock_connect(struct socket *sock, struct sockaddr *addr, int a
 
         BT_DBG("sk %p", sk);
 
-        if (addr->sa_family != AF_BLUETOOTH || alen < sizeof(struct sockaddr_rc))
+        if (alen < sizeof(struct sockaddr_rc) ||
+            addr->sa_family != AF_BLUETOOTH)
                 return -EINVAL;
 
         lock_sock(sk);
@@ -1061,28 +1064,38 @@ done:
         return result;
 }
 
-static ssize_t rfcomm_sock_sysfs_show(struct class *dev,
-                                      struct class_attribute *attr,
-                                      char *buf)
+static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p)
 {
         struct sock *sk;
         struct hlist_node *node;
-        char *str = buf;
 
         read_lock_bh(&rfcomm_sk_list.lock);
 
         sk_for_each(sk, node, &rfcomm_sk_list.head) {
-                str += sprintf(str, "%s %s %d %d\n",
-                                batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
+                seq_printf(f, "%s %s %d %d\n",
+                                batostr(&bt_sk(sk)->src),
+                                batostr(&bt_sk(sk)->dst),
                                 sk->sk_state, rfcomm_pi(sk)->channel);
         }
 
         read_unlock_bh(&rfcomm_sk_list.lock);
 
-        return (str - buf);
+        return 0;
 }
 
-static CLASS_ATTR(rfcomm, S_IRUGO, rfcomm_sock_sysfs_show, NULL);
+static int rfcomm_sock_debugfs_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, rfcomm_sock_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations rfcomm_sock_debugfs_fops = {
+        .open           = rfcomm_sock_debugfs_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+static struct dentry *rfcomm_sock_debugfs;
 
 static const struct proto_ops rfcomm_sock_ops = {
         .family         = PF_BLUETOOTH,
@@ -1122,8 +1135,12 @@ int __init rfcomm_init_sockets(void)
         if (err < 0)
                 goto error;
 
-        if (class_create_file(bt_class, &class_attr_rfcomm) < 0)
-                BT_ERR("Failed to create RFCOMM info file");
+        if (bt_debugfs) {
+                rfcomm_sock_debugfs = debugfs_create_file("rfcomm", 0444,
+                                bt_debugfs, NULL, &rfcomm_sock_debugfs_fops);
+                if (!rfcomm_sock_debugfs)
+                        BT_ERR("Failed to create RFCOMM debug file");
+        }
 
         BT_INFO("RFCOMM socket layer initialized");
 
@@ -1137,7 +1154,7 @@ error:
 
 void rfcomm_cleanup_sockets(void)
 {
-        class_remove_file(bt_class, &class_attr_rfcomm);
+        debugfs_remove(rfcomm_sock_debugfs);
 
         if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)
                 BT_ERR("RFCOMM socket layer unregistration failed");
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index f93b939539bc..ca6b2ad1c3fc 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -38,6 +38,8 @@
 #include <linux/socket.h>
 #include <linux/skbuff.h>
 #include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
 #include <linux/list.h>
 #include <net/sock.h>
 
@@ -497,7 +499,8 @@ static int sco_sock_connect(struct socket *sock, struct sockaddr *addr, int alen
 
         BT_DBG("sk %p", sk);
 
-        if (addr->sa_family != AF_BLUETOOTH || alen < sizeof(struct sockaddr_sco))
+        if (alen < sizeof(struct sockaddr_sco) ||
+            addr->sa_family != AF_BLUETOOTH)
                 return -EINVAL;
 
         if (sk->sk_state != BT_OPEN && sk->sk_state != BT_BOUND)
@@ -953,28 +956,36 @@ drop:
         return 0;
 }
 
-static ssize_t sco_sysfs_show(struct class *dev,
-                                struct class_attribute *attr,
-                                char *buf)
+static int sco_debugfs_show(struct seq_file *f, void *p)
 {
         struct sock *sk;
         struct hlist_node *node;
-        char *str = buf;
 
         read_lock_bh(&sco_sk_list.lock);
 
         sk_for_each(sk, node, &sco_sk_list.head) {
-                str += sprintf(str, "%s %s %d\n",
-                                batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
-                                sk->sk_state);
+                seq_printf(f, "%s %s %d\n", batostr(&bt_sk(sk)->src),
+                                batostr(&bt_sk(sk)->dst), sk->sk_state);
         }
 
         read_unlock_bh(&sco_sk_list.lock);
 
-        return (str - buf);
+        return 0;
 }
 
-static CLASS_ATTR(sco, S_IRUGO, sco_sysfs_show, NULL);
+static int sco_debugfs_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, sco_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations sco_debugfs_fops = {
+        .open           = sco_debugfs_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+
+static struct dentry *sco_debugfs;
 
 static const struct proto_ops sco_sock_ops = {
         .family         = PF_BLUETOOTH,
@@ -1032,8 +1043,12 @@ static int __init sco_init(void)
                 goto error;
         }
 
-        if (class_create_file(bt_class, &class_attr_sco) < 0)
-                BT_ERR("Failed to create SCO info file");
+        if (bt_debugfs) {
+                sco_debugfs = debugfs_create_file("sco", 0444,
+                                        bt_debugfs, NULL, &sco_debugfs_fops);
+                if (!sco_debugfs)
+                        BT_ERR("Failed to create SCO debug file");
+        }
 
         BT_INFO("SCO (Voice Link) ver %s", VERSION);
         BT_INFO("SCO socket layer initialized");
@@ -1047,7 +1062,7 @@ error:
 
 static void __exit sco_exit(void)
 {
-        class_remove_file(bt_class, &class_attr_sco);
+        debugfs_remove(sco_debugfs);
 
         if (bt_sock_unregister(BTPROTO_SCO) < 0)
                 BT_ERR("SCO socket unregistration failed");
diff --git a/net/bridge/Kconfig b/net/bridge/Kconfig
index 19a6b9629c51..d115d5cea5b6 100644
--- a/net/bridge/Kconfig
+++ b/net/bridge/Kconfig
@@ -35,6 +35,7 @@ config BRIDGE
 config BRIDGE_IGMP_SNOOPING
         bool "IGMP snooping"
         depends on BRIDGE
+        depends on INET
         default y
         ---help---
           If you say Y here, then the Ethernet bridge will be able selectively
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index eb7062d2e9e5..90a9024e5c1e 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -40,7 +40,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
                         goto out;
 
                 mdst = br_mdb_get(br, skb);
-                if (mdst || BR_INPUT_SKB_CB(skb)->mrouters_only)
+                if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb))
                         br_multicast_deliver(mdst, skb);
                 else
                         br_flood_deliver(br, skb);
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 3b8e038ab32c..9101a4e56201 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -20,6 +20,7 @@
 #include <linux/etherdevice.h>
 #include <linux/jhash.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 #include <asm/atomic.h>
 #include <asm/unaligned.h>
 #include "br_private.h"
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index d61e6f741125..7a241c396981 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/err.h>
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
@@ -19,6 +20,11 @@
 #include <linux/netfilter_bridge.h>
 #include "br_private.h"
 
+static int deliver_clone(const struct net_bridge_port *prev,
+                         struct sk_buff *skb,
+                         void (*__packet_hook)(const struct net_bridge_port *p,
+                                               struct sk_buff *skb));
+
 /* Don't forward packets to originating port or forwarding diasabled */
 static inline int should_deliver(const struct net_bridge_port *p,
                                  const struct sk_buff *skb)
@@ -94,17 +100,22 @@ void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)
 }
 
 /* called with rcu_read_lock */
-void br_forward(const struct net_bridge_port *to, struct sk_buff *skb)
+void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, struct sk_buff *skb0)
 {
         if (should_deliver(to, skb)) {
-                __br_forward(to, skb);
+                if (skb0)
+                        deliver_clone(to, skb, __br_forward);
+                else
+                        __br_forward(to, skb);
                 return;
         }
 
-        kfree_skb(skb);
+        if (!skb0)
+                kfree_skb(skb);
 }
 
-static int deliver_clone(struct net_bridge_port *prev, struct sk_buff *skb,
+static int deliver_clone(const struct net_bridge_port *prev,
+                         struct sk_buff *skb,
                          void (*__packet_hook)(const struct net_bridge_port *p,
                                                struct sk_buff *skb))
 {
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index b6a3872f5681..0b6b1f2ff7ac 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -19,6 +19,7 @@
 #include <linux/init.h>
 #include <linux/rtnetlink.h>
 #include <linux/if_ether.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 
 #include "br_private.h"
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 53b39851d87d..a82dde2d2ead 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -11,6 +11,7 @@
  *      2 of the License, or (at your option) any later version.
  */
 
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
@@ -70,7 +71,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
 
         if (is_multicast_ether_addr(dest)) {
                 mdst = br_mdb_get(br, skb);
-                if (mdst || BR_INPUT_SKB_CB(skb)->mrouters_only) {
+                if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) {
                         if ((mdst && !hlist_unhashed(&mdst->mglist)) ||
                             br_multicast_is_router(br))
                                 skb2 = skb;
@@ -90,7 +91,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
 
         if (skb) {
                 if (dst)
-                        br_forward(dst->dst, skb);
+                        br_forward(dst->dst, skb, skb2);
                 else
                         br_flood_forward(br, skb, skb2);
         }
diff --git a/net/bridge/br_ioctl.c b/net/bridge/br_ioctl.c
index 2af6e4a90262..995afc4b04dc 100644
--- a/net/bridge/br_ioctl.c
+++ b/net/bridge/br_ioctl.c
@@ -15,6 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/if_bridge.h>
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 #include <linux/times.h>
 #include <net/net_namespace.h>
 #include <asm/uaccess.h>
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 2559fb539836..eaa0e1bae49b 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -38,7 +38,7 @@ static struct net_bridge_mdb_entry *__br_mdb_ip_get(
         struct net_bridge_mdb_entry *mp;
         struct hlist_node *p;
 
-        hlist_for_each_entry(mp, p, &mdb->mhash[hash], hlist[mdb->ver]) {
+        hlist_for_each_entry_rcu(mp, p, &mdb->mhash[hash], hlist[mdb->ver]) {
                 if (dst == mp->addr)
                         return mp;
         }
@@ -49,22 +49,23 @@ static struct net_bridge_mdb_entry *__br_mdb_ip_get(
 static struct net_bridge_mdb_entry *br_mdb_ip_get(
         struct net_bridge_mdb_htable *mdb, __be32 dst)
 {
+        if (!mdb)
+                return NULL;
+
         return __br_mdb_ip_get(mdb, dst, br_ip_hash(mdb, dst));
 }
 
 struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
                                         struct sk_buff *skb)
 {
-        struct net_bridge_mdb_htable *mdb = br->mdb;
-
-        if (!mdb || br->multicast_disabled)
+        if (br->multicast_disabled)
                 return NULL;
 
         switch (skb->protocol) {
         case htons(ETH_P_IP):
                 if (BR_INPUT_SKB_CB(skb)->igmp)
                         break;
-                return br_mdb_ip_get(mdb, ip_hdr(skb)->daddr);
+                return br_mdb_ip_get(br->mdb, ip_hdr(skb)->daddr);
         }
 
         return NULL;
@@ -627,8 +628,8 @@ static void br_multicast_port_query_expired(unsigned long data)
         struct net_bridge *br = port->br;
 
         spin_lock(&br->multicast_lock);
-        if (port && (port->state == BR_STATE_DISABLED ||
-                     port->state == BR_STATE_BLOCKING))
+        if (port->state == BR_STATE_DISABLED ||
+            port->state == BR_STATE_BLOCKING)
                 goto out;
 
         if (port->multicast_startup_queries_sent <
@@ -722,11 +723,11 @@ static int br_multicast_igmp3_report(struct net_bridge *br,
                 if (!pskb_may_pull(skb, len))
                         return -EINVAL;
 
-                grec = (void *)(skb->data + len);
+                grec = (void *)(skb->data + len - sizeof(*grec));
                 group = grec->grec_mca;
                 type = grec->grec_type;
 
-                len += grec->grec_nsrcs * 4;
+                len += ntohs(grec->grec_nsrcs) * 4;
                 if (!pskb_may_pull(skb, len))
                         return -EINVAL;
 
@@ -823,6 +824,7 @@ static int br_multicast_query(struct net_bridge *br,
         unsigned long max_delay;
         unsigned long now = jiffies;
         __be32 group;
+        int err = 0;
 
         spin_lock(&br->multicast_lock);
         if (!netif_running(br->dev) ||
@@ -841,15 +843,17 @@ static int br_multicast_query(struct net_bridge *br,
                         group = 0;
                 }
         } else {
-                if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
-                        return -EINVAL;
+                if (!pskb_may_pull(skb, sizeof(struct igmpv3_query))) {
+                        err = -EINVAL;
+                        goto out;
+                }
 
                 ih3 = igmpv3_query_hdr(skb);
                 if (ih3->nsrcs)
-                        return 0;
+                        goto out;
 
-                max_delay = ih3->code ? 1 :
-                            IGMPV3_MRC(ih3->code) * (HZ / IGMP_TIMER_SCALE);
+                max_delay = ih3->code ?
+                            IGMPV3_MRC(ih3->code) * (HZ / IGMP_TIMER_SCALE) : 1;
         }
 
         if (!group)
@@ -876,7 +880,7 @@ static int br_multicast_query(struct net_bridge *br,
 
 out:
         spin_unlock(&br->multicast_lock);
-        return 0;
+        return err;
 }
 
 static void br_multicast_leave_group(struct net_bridge *br,
@@ -953,9 +957,6 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
         unsigned offset;
         int err;
 
-        BR_INPUT_SKB_CB(skb)->igmp = 0;
-        BR_INPUT_SKB_CB(skb)->mrouters_only = 0;
-
         /* We treat OOM as packet loss for now. */
         if (!pskb_may_pull(skb, sizeof(*iph)))
                 return -EINVAL;
@@ -987,7 +988,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
 
                 err = pskb_trim_rcsum(skb2, len);
                 if (err)
-                        return err;
+                        goto err_out;
         }
 
         len -= ip_hdrlen(skb2);
@@ -1009,7 +1010,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
         case CHECKSUM_NONE:
                 skb2->csum = 0;
                 if (skb_checksum_complete(skb2))
-                        return -EINVAL;
+                        goto out;
         }
 
         err = 0;
@@ -1036,6 +1037,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
 
 out:
         __skb_push(skb2, offset);
+err_out:
         if (skb2 != skb)
                 kfree_skb(skb2);
         return err;
@@ -1044,6 +1046,9 @@ out:
 int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port,
                      struct sk_buff *skb)
 {
+        BR_INPUT_SKB_CB(skb)->igmp = 0;
+        BR_INPUT_SKB_CB(skb)->mrouters_only = 0;
+
         if (br->multicast_disabled)
                 return 0;
 
@@ -1135,7 +1140,7 @@ void br_multicast_stop(struct net_bridge *br)
 
         if (mdb->old) {
                 spin_unlock_bh(&br->multicast_lock);
-                synchronize_rcu_bh();
+                rcu_barrier_bh();
                 spin_lock_bh(&br->multicast_lock);
                 WARN_ON(mdb->old);
         }
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 268e2e725888..4c4977d12fd6 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -23,6 +23,7 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/ip.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index fcffb3fb1177..aa56ac2c8829 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <net/rtnetlink.h>
 #include <net/net_namespace.h>
 #include <net/sock.h>
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index fef0384e3c0b..846d7d1e2075 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -206,12 +206,20 @@ struct net_bridge
 
 struct br_input_skb_cb {
         struct net_device *brdev;
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
         int igmp;
         int mrouters_only;
+#endif
 };
 
 #define BR_INPUT_SKB_CB(__skb)  ((struct br_input_skb_cb *)(__skb)->cb)
 
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+# define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb)   (BR_INPUT_SKB_CB(__skb)->mrouters_only)
+#else
+# define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb)   (0)
+#endif
+
 extern struct notifier_block br_device_notifier;
 extern const u8 br_group_address[ETH_ALEN];
 
@@ -252,7 +260,7 @@ extern void br_deliver(const struct net_bridge_port *to,
                 struct sk_buff *skb);
 extern int br_dev_queue_push_xmit(struct sk_buff *skb);
 extern void br_forward(const struct net_bridge_port *to,
-                struct sk_buff *skb);
+                struct sk_buff *skb, struct sk_buff *skb0);
 extern int br_forward_finish(struct sk_buff *skb);
 extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb);
 extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index 81ae40b3f655..d66cce11f3bf 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -15,6 +15,7 @@
 #include <linux/netfilter_bridge.h>
 #include <linux/etherdevice.h>
 #include <linux/llc.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/llc.h>
 #include <net/llc_pdu.h>
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index c6ac657074a6..f9560f3dbdc7 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -29,6 +29,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/socket.h>
 #include <linux/skbuff.h>
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index dfb58056a89a..f0865fd1e3ec 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -23,6 +23,7 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/spinlock.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 #include <asm/uaccess.h>
 #include <linux/smp.h>
 #include <linux/cpumask.h>
diff --git a/net/can/bcm.c b/net/can/bcm.c
index e32af52238a2..907dc871fac8 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -56,6 +56,7 @@
 #include <linux/can.h>
 #include <linux/can/core.h>
 #include <linux/can/bcm.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/net_namespace.h>
 
@@ -1478,6 +1479,9 @@ static int bcm_connect(struct socket *sock, struct sockaddr *uaddr, int len,
         struct sock *sk = sock->sk;
         struct bcm_sock *bo = bcm_sk(sk);
 
+        if (len < sizeof(*addr))
+                return -EINVAL;
+
         if (bo->bound)
                 return -EISCONN;
 
diff --git a/net/can/raw.c b/net/can/raw.c
index abca920440b5..da99cf153b33 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -45,6 +45,7 @@
 #include <linux/init.h>
 #include <linux/uio.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <linux/netdevice.h>
 #include <linux/socket.h>
 #include <linux/if_arp.h>
@@ -444,7 +445,7 @@ static int raw_setsockopt(struct socket *sock, int level, int optname,
                                 return -EFAULT;
                         }
                 } else if (count == 1) {
-                        if (copy_from_user(&sfilter, optval, optlen))
+                        if (copy_from_user(&sfilter, optval, sizeof(sfilter)))
                                 return -EFAULT;
                 }
 
diff --git a/net/compat.c b/net/compat.c
index a1fb1b079a82..ec24d9edb025 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/gfp.h>
 #include <linux/fs.h>
 #include <linux/types.h>
 #include <linux/file.h>
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 95c2e0840d0d..2dccd4ee591b 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -48,6 +48,7 @@
 #include <linux/poll.h>
 #include <linux/highmem.h>
 #include <linux/spinlock.h>
+#include <linux/slab.h>
 
 #include <net/protocol.h>
 #include <linux/skbuff.h>
diff --git a/net/core/dev.c b/net/core/dev.c
index bcc490cc9452..f769098774b7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -80,6 +80,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/hash.h>
+#include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/mutex.h>
 #include <linux/string.h>
@@ -1988,8 +1989,12 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev,
                         if (dev->real_num_tx_queues > 1)
                                 queue_index = skb_tx_hash(dev, skb);
 
-                        if (sk && sk->sk_dst_cache)
-                                sk_tx_queue_set(sk, queue_index);
+                        if (sk) {
+                                struct dst_entry *dst = rcu_dereference_bh(sk->sk_dst_cache);
+
+                                if (dst && skb_dst(skb) == dst)
+                                        sk_tx_queue_set(sk, queue_index);
+                        }
                 }
         }
 
@@ -2483,6 +2488,7 @@ int netif_receive_skb(struct sk_buff *skb)
 {
         struct packet_type *ptype, *pt_prev;
         struct net_device *orig_dev;
+        struct net_device *master;
         struct net_device *null_or_orig;
         struct net_device *null_or_bond;
         int ret = NET_RX_DROP;
@@ -2503,11 +2509,12 @@ int netif_receive_skb(struct sk_buff *skb)
 
         null_or_orig = NULL;
         orig_dev = skb->dev;
-        if (orig_dev->master) {
-                if (skb_bond_should_drop(skb))
+        master = ACCESS_ONCE(orig_dev->master);
+        if (master) {
+                if (skb_bond_should_drop(skb, master))
                         null_or_orig = orig_dev; /* deliver only exact match */
                 else
-                        skb->dev = orig_dev->master;
+                        skb->dev = master;
         }
 
         __get_cpu_var(netdev_rx_stat).total++;
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index fd91569e2394..3dc295beb483 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -97,8 +97,9 @@ int dev_mc_add(struct net_device *dev, void *addr, int alen, int glbl)
 
         netif_addr_lock_bh(dev);
         if (alen != dev->addr_len)
-                return -EINVAL;
-        err = __dev_addr_add(&dev->mc_list, &dev->mc_count, addr, alen, glbl);
+                err = -EINVAL;
+        else
+                err = __dev_addr_add(&dev->mc_list, &dev->mc_count, addr, alen, glbl);
         if (!err)
                 __dev_set_rx_mode(dev);
         netif_addr_unlock_bh(dev);
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index f8c874975350..cf208d8042b1 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -21,6 +21,7 @@
 #include <linux/percpu.h>
 #include <linux/timer.h>
 #include <linux/bitops.h>
+#include <linux/slab.h>
 #include <net/genetlink.h>
 #include <net/netevent.h>
 
diff --git a/net/core/dst.c b/net/core/dst.c
index cb1b3488b739..f307bc18f6a0 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -12,6 +12,7 @@
 #include <linux/workqueue.h>
 #include <linux/mm.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
 #include <linux/string.h>
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 0f2f82185ec4..9d55c57f318a 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -17,6 +17,8 @@
 #include <linux/errno.h>
 #include <linux/ethtool.h>
 #include <linux/netdevice.h>
+#include <linux/bitops.h>
+#include <linux/slab.h>
 #include <asm/uaccess.h>
 
 /*
@@ -199,10 +201,7 @@ static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
         return dev->ethtool_ops->set_settings(dev, &cmd);
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
 {
         struct ethtool_drvinfo info;
         const struct ethtool_ops *ops = dev->ethtool_ops;
@@ -214,6 +213,10 @@ static noinline int ethtool_get_drvinfo(struct net_device *dev, void __user *use
         info.cmd = ETHTOOL_GDRVINFO;
         ops->get_drvinfo(dev, &info);
 
+        /*
+         * this method of obtaining string set info is deprecated;
+         * Use ETHTOOL_GSSET_INFO instead.
+         */
         if (ops->get_sset_count) {
                 int rc;
 
@@ -237,10 +240,67 @@ static noinline int ethtool_get_drvinfo(struct net_device *dev, void __user *use
         return 0;
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_set_rxnfc(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,
+                                          void __user *useraddr)
+{
+        struct ethtool_sset_info info;
+        const struct ethtool_ops *ops = dev->ethtool_ops;
+        u64 sset_mask;
+        int i, idx = 0, n_bits = 0, ret, rc;
+        u32 *info_buf = NULL;
+
+        if (!ops->get_sset_count)
+                return -EOPNOTSUPP;
+
+        if (copy_from_user(&info, useraddr, sizeof(info)))
+                return -EFAULT;
+
+        /* store copy of mask, because we zero struct later on */
+        sset_mask = info.sset_mask;
+        if (!sset_mask)
+                return 0;
+
+        /* calculate size of return buffer */
+        n_bits = hweight64(sset_mask);
+
+        memset(&info, 0, sizeof(info));
+        info.cmd = ETHTOOL_GSSET_INFO;
+
+        info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER);
+        if (!info_buf)
+                return -ENOMEM;
+
+        /*
+         * fill return buffer based on input bitmask and successful
+         * get_sset_count return
+         */
+        for (i = 0; i < 64; i++) {
+                if (!(sset_mask & (1ULL << i)))
+                        continue;
+
+                rc = ops->get_sset_count(dev, i);
+                if (rc >= 0) {
+                        info.sset_mask |= (1ULL << i);
+                        info_buf[idx++] = rc;
+                }
+        }
+
+        ret = -EFAULT;
+        if (copy_to_user(useraddr, &info, sizeof(info)))
+                goto out;
+
+        useraddr += offsetof(struct ethtool_sset_info, data);
+        if (copy_to_user(useraddr, info_buf, idx * sizeof(u32)))
+                goto out;
+
+        ret = 0;
+
+out:
+        kfree(info_buf);
+        return ret;
+}
+
+static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, void __user *useraddr)
 {
         struct ethtool_rxnfc cmd;
 
@@ -253,10 +313,7 @@ static noinline int ethtool_set_rxnfc(struct net_device *dev, void __user *usera
         return dev->ethtool_ops->set_rxnfc(dev, &cmd);
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_get_rxnfc(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, void __user *useraddr)
 {
         struct ethtool_rxnfc info;
         const struct ethtool_ops *ops = dev->ethtool_ops;
@@ -328,10 +385,7 @@ static void __rx_ntuple_filter_add(struct ethtool_rx_ntuple_list *list,
         list->count++;
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_set_rx_ntuple(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev, void __user *useraddr)
 {
         struct ethtool_rx_ntuple cmd;
         const struct ethtool_ops *ops = dev->ethtool_ops;
@@ -799,10 +853,7 @@ static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
         return ret;
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_get_coalesce(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, void __user *useraddr)
 {
         struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
 
@@ -816,10 +867,7 @@ static noinline int ethtool_get_coalesce(struct net_device *dev, void __user *us
         return 0;
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_set_coalesce(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, void __user *useraddr)
 {
         struct ethtool_coalesce coalesce;
 
@@ -1229,10 +1277,7 @@ static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
         return actor(dev, edata.data);
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_flash_device(struct net_device *dev, char __user *useraddr)
+static noinline_for_stack int ethtool_flash_device(struct net_device *dev, char __user *useraddr)
 {
         struct ethtool_flash efl;
 
@@ -1471,6 +1516,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
         case ETHTOOL_GRXNTUPLE:
                 rc = ethtool_get_rx_ntuple(dev, useraddr);
                 break;
+        case ETHTOOL_GSSET_INFO:
+                rc = ethtool_get_sset_info(dev, useraddr);
+                break;
         default:
                 rc = -EOPNOTSUPP;
         }
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 9a24377146bf..d2c3e7dc2e5f 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -10,6 +10,7 @@
 
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/list.h>
 #include <net/net_namespace.h>
 #include <net/sock.h>
diff --git a/net/core/filter.c b/net/core/filter.c
index d38ef7fd50f0..ff943bed21af 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -25,6 +25,7 @@
 #include <linux/inet.h>
 #include <linux/netdevice.h>
 #include <linux/if_packet.h>
+#include <linux/gfp.h>
 #include <net/ip.h>
 #include <net/protocol.h>
 #include <net/netlink.h>
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 493775f4f2f1..cf8e70392fe0 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -32,6 +32,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/init.h>
 #include <linux/rbtree.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/gen_stats.h>
 
diff --git a/net/core/iovec.c b/net/core/iovec.c
index 16ad45d4882b..1e7f4e91a935 100644
--- a/net/core/iovec.c
+++ b/net/core/iovec.c
@@ -20,7 +20,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
-#include <linux/slab.h>
 #include <linux/net.h>
 #include <linux/in6.h>
 #include <asm/uaccess.h>
diff --git a/net/core/link_watch.c b/net/core/link_watch.c
index 5910b555a54a..bdbce2f5875b 100644
--- a/net/core/link_watch.c
+++ b/net/core/link_watch.c
@@ -19,7 +19,6 @@
 #include <linux/rtnetlink.h>
 #include <linux/jiffies.h>
 #include <linux/spinlock.h>
-#include <linux/slab.h>
 #include <linux/workqueue.h>
 #include <linux/bitops.h>
 #include <asm/types.h>
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index d102f6d9abdc..bff37908bd55 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -15,6 +15,7 @@
  *      Harald Welte            Add neighbour cache statistics like rtstat
  */
 
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -771,6 +772,8 @@ static __inline__ int neigh_max_probes(struct neighbour *n)
 }
 
 static void neigh_invalidate(struct neighbour *neigh)
+        __releases(neigh->lock)
+        __acquires(neigh->lock)
 {
         struct sk_buff *skb;
 
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 099c753c4213..59cfc7d8fc45 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/if_arp.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <linux/rtnetlink.h>
 #include <linux/wireless.h>
diff --git a/net/core/net-traces.c b/net/core/net-traces.c
index f1e982c508bb..afa6380ed88a 100644
--- a/net/core/net-traces.c
+++ b/net/core/net-traces.c
@@ -19,6 +19,7 @@
 #include <linux/workqueue.h>
 #include <linux/netlink.h>
 #include <linux/net_dropmon.h>
+#include <linux/slab.h>
 
 #include <asm/unaligned.h>
 #include <asm/bitops.h>
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 7aa697253765..a58f59b97597 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -22,6 +22,7 @@
 #include <linux/delay.h>
 #include <linux/rcupdate.h>
 #include <linux/workqueue.h>
+#include <linux/slab.h>
 #include <net/tcp.h>
 #include <net/udp.h>
 #include <asm/unaligned.h>
@@ -614,7 +615,7 @@ void netpoll_print_options(struct netpoll *np)
                          np->name, np->local_port);
         printk(KERN_INFO "%s: local IP %pI4\n",
                          np->name, &np->local_ip);
-        printk(KERN_INFO "%s: interface %s\n",
+        printk(KERN_INFO "%s: interface '%s'\n",
                          np->name, np->dev_name);
         printk(KERN_INFO "%s: remote port %d\n",
                          np->name, np->remote_port);
@@ -661,6 +662,9 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
                 if ((delim = strchr(cur, '@')) == NULL)
                         goto parse_failed;
                 *delim = 0;
+                if (*cur == ' ' || *cur == '\t')
+                        printk(KERN_INFO "%s: warning: whitespace"
+                                        "is not allowed\n", np->name);
                 np->remote_port = simple_strtol(cur, NULL, 10);
                 cur = delim;
         }
@@ -708,7 +712,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
         return 0;
 
  parse_failed:
-        printk(KERN_INFO "%s: couldn't parse config at %s!\n",
+        printk(KERN_INFO "%s: couldn't parse config at '%s'!\n",
                np->name, cur);
         return -1;
 }
@@ -735,7 +739,7 @@ int netpoll_setup(struct netpoll *np)
                 npinfo = kmalloc(sizeof(*npinfo), GFP_KERNEL);
                 if (!npinfo) {
                         err = -ENOMEM;
-                        goto release;
+                        goto put;
                 }
 
                 npinfo->rx_flags = 0;
@@ -845,7 +849,7 @@ int netpoll_setup(struct netpoll *np)
 
                 kfree(npinfo);
         }
-
+put:
         dev_put(ndev);
         return err;
 }
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 4568120d8533..fe776c9ddeca 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1270,10 +1270,11 @@ replay:
                         err = ops->newlink(net, dev, tb, data);
                 else
                         err = register_netdevice(dev);
-                if (err < 0 && !IS_ERR(dev)) {
+
+                if (err < 0 && !IS_ERR(dev))
                         free_netdev(dev);
+                if (err < 0)
                         goto out;
-                }
 
                 err = rtnl_configure_link(dev, ifm);
                 if (err < 0)
diff --git a/net/core/scm.c b/net/core/scm.c
index 9b264634acfd..b88f6f9d0b97 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -26,6 +26,7 @@
 #include <linux/security.h>
 #include <linux/pid.h>
 #include <linux/nsproxy.h>
+#include <linux/slab.h>
 
 #include <asm/system.h>
 #include <asm/uaccess.h>
diff --git a/net/core/sock.c b/net/core/sock.c
index fcd397a762ff..c5812bbc2cc9 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -340,8 +340,12 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
                 rc = sk_backlog_rcv(sk, skb);
 
                 mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_);
-        } else
-                sk_add_backlog(sk, skb);
+        } else if (sk_add_backlog(sk, skb)) {
+                bh_unlock_sock(sk);
+                atomic_inc(&sk->sk_drops);
+                goto discard_and_relse;
+        }
+
         bh_unlock_sock(sk);
 out:
         sock_put(sk);
@@ -1139,6 +1143,7 @@ struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
                 sock_lock_init(newsk);
                 bh_lock_sock(newsk);
                 newsk->sk_backlog.head  = newsk->sk_backlog.tail = NULL;
+                newsk->sk_backlog.len = 0;
 
                 atomic_set(&newsk->sk_rmem_alloc, 0);
                 /*
@@ -1542,6 +1547,12 @@ static void __release_sock(struct sock *sk)
 
                 bh_lock_sock(sk);
         } while ((skb = sk->sk_backlog.head) != NULL);
+
+        /*
+         * Doing the zeroing here guarantee we can not loop forever
+         * while a wild producer attempts to flood us.
+         */
+        sk->sk_backlog.len = 0;
 }
 
 /**
@@ -1874,6 +1885,7 @@ void sock_init_data(struct socket *sock, struct sock *sk)
         sk->sk_allocation       =       GFP_KERNEL;
         sk->sk_rcvbuf           =       sysctl_rmem_default;
         sk->sk_sndbuf           =       sysctl_wmem_default;
+        sk->sk_backlog.limit    =       sk->sk_rcvbuf << 1;
         sk->sk_state            =       TCP_CLOSE;
         sk_set_socket(sk, sock);
 
@@ -2276,7 +2288,8 @@ out_free_request_sock_slab:
                 prot->rsk_prot->slab = NULL;
         }
 out_free_request_sock_slab_name:
-        kfree(prot->rsk_prot->slab_name);
+        if (prot->rsk_prot)
+                kfree(prot->rsk_prot->slab_name);
 out_free_sock_slab:
         kmem_cache_destroy(prot->slab);
         prot->slab = NULL;
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 06124872af5b..b7b6b8208f75 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -12,6 +12,7 @@
 #include <linux/netdevice.h>
 #include <linux/ratelimit.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 
 #include <net/ip.h>
 #include <net/sock.h>
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 813e399220a7..19ac2b985485 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -19,6 +19,7 @@
 
 #include <linux/netdevice.h>
 #include <linux/netlink.h>
+#include <linux/slab.h>
 #include <net/netlink.h>
 #include <net/rtnetlink.h>
 #include <linux/dcbnl.h>
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index 49d27c556bec..36479ca61e03 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -11,6 +11,8 @@
  *      published by the Free Software Foundation.
  */
 
+#include <linux/slab.h>
+
 #include "ccid.h"
 #include "ccids/lib/tfrc.h"
 
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index a47a8c918ee8..9b3ae9922be1 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -23,6 +23,7 @@
 /*
  * This implementation should follow RFC 4341
  */
+#include <linux/slab.h>
 #include "../feat.h"
 #include "../ccid.h"
 #include "../dccp.h"
diff --git a/net/dccp/feat.c b/net/dccp/feat.c
index 972b8dc918d6..df7dd26cf07e 100644
--- a/net/dccp/feat.c
+++ b/net/dccp/feat.c
@@ -22,6 +22,7 @@
  *  2 of the License, or (at your option) any later version.
  */
 #include <linux/module.h>
+#include <linux/slab.h>
 #include "ccid.h"
 #include "feat.h"
 
diff --git a/net/dccp/input.c b/net/dccp/input.c
index 7648f316310f..9ec717426024 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -12,6 +12,7 @@
 
 #include <linux/dccp.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 
 #include <net/sock.h>
 
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index b195c4feaa0a..52ffa1cde15a 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -12,6 +12,7 @@
 
 #include <linux/dccp.h>
 #include <linux/icmp.h>
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/random.h>
@@ -998,11 +999,11 @@ static struct inet_protosw dccp_v4_protosw = {
 
 static int __net_init dccp_v4_init_net(struct net *net)
 {
-        int err;
+        if (dccp_hashinfo.bhash == NULL)
+                return -ESOCKTNOSUPPORT;
 
-        err = inet_ctl_sock_create(&net->dccp.v4_ctl_sk, PF_INET,
-                                   SOCK_DCCP, IPPROTO_DCCP, net);
-        return err;
+        return inet_ctl_sock_create(&net->dccp.v4_ctl_sk, PF_INET,
+                                    SOCK_DCCP, IPPROTO_DCCP, net);
 }
 
 static void __net_exit dccp_v4_exit_net(struct net *net)
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 1aec6349e858..3b11e41a2929 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -14,6 +14,7 @@
 
 #include <linux/module.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 #include <linux/xfrm.h>
 
 #include <net/addrconf.h>
@@ -1191,11 +1192,11 @@ static struct inet_protosw dccp_v6_protosw = {
 
 static int __net_init dccp_v6_init_net(struct net *net)
 {
-        int err;
+        if (dccp_hashinfo.bhash == NULL)
+                return -ESOCKTNOSUPPORT;
 
-        err = inet_ctl_sock_create(&net->dccp.v6_ctl_sk, PF_INET6,
-                                   SOCK_DCCP, IPPROTO_DCCP, net);
-        return err;
+        return inet_ctl_sock_create(&net->dccp.v6_ctl_sk, PF_INET6,
+                                    SOCK_DCCP, IPPROTO_DCCP, net);
 }
 
 static void __net_exit dccp_v6_exit_net(struct net *net)
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index af226a063141..128b089d3aef 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/dccp.h>
+#include <linux/gfp.h>
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
 #include <linux/timer.h>
@@ -254,7 +255,7 @@ int dccp_child_process(struct sock *parent, struct sock *child,
                  * in main socket hash table and lock on listening
                  * socket does not protect us more.
                  */
-                sk_add_backlog(child, skb);
+                __sk_add_backlog(child, skb);
         }
 
         bh_unlock_sock(child);
diff --git a/net/dccp/output.c b/net/dccp/output.c
index d6bb753bf6ad..fc3f436440b4 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -13,6 +13,7 @@
 #include <linux/dccp.h>
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 
 #include <net/inet_sock.h>
 #include <net/sock.h>
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index f5b3464f1242..078e48d442fd 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -30,6 +30,7 @@
 #include <linux/module.h>
 #include <linux/kfifo.h>
 #include <linux/vmalloc.h>
+#include <linux/gfp.h>
 #include <net/net_namespace.h>
 
 #include "dccp.h"
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 0ef7061920c0..a0e38d8018f5 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -20,6 +20,7 @@
 #include <linux/if_arp.h>
 #include <linux/init.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 #include <net/checksum.h>
 
 #include <net/inet_sock.h>
@@ -1036,7 +1037,7 @@ static int __init dccp_init(void)
                      FIELD_SIZEOF(struct sk_buff, cb));
         rc = percpu_counter_init(&dccp_orphan_count, 0);
         if (rc)
-                goto out;
+                goto out_fail;
         rc = -ENOBUFS;
         inet_hashinfo_init(&dccp_hashinfo);
         dccp_hashinfo.bind_bucket_cachep =
@@ -1125,8 +1126,9 @@ static int __init dccp_init(void)
                 goto out_sysctl_exit;
 
         dccp_timestamping_init();
-out:
-        return rc;
+
+        return 0;
+
 out_sysctl_exit:
         dccp_sysctl_exit();
 out_ackvec_exit:
@@ -1135,18 +1137,19 @@ out_free_dccp_mib:
         dccp_mib_exit();
 out_free_dccp_bhash:
         free_pages((unsigned long)dccp_hashinfo.bhash, bhash_order);
-        dccp_hashinfo.bhash = NULL;
 out_free_dccp_locks:
         inet_ehash_locks_free(&dccp_hashinfo);
 out_free_dccp_ehash:
         free_pages((unsigned long)dccp_hashinfo.ehash, ehash_order);
-        dccp_hashinfo.ehash = NULL;
 out_free_bind_bucket_cachep:
         kmem_cache_destroy(dccp_hashinfo.bind_bucket_cachep);
-        dccp_hashinfo.bind_bucket_cachep = NULL;
 out_free_percpu:
         percpu_counter_destroy(&dccp_orphan_count);
-        goto out;
+out_fail:
+        dccp_hashinfo.bhash = NULL;
+        dccp_hashinfo.ehash = NULL;
+        dccp_hashinfo.bind_bucket_cachep = NULL;
+        return rc;
 }
 
 static void __exit dccp_fini(void)
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 238af093495b..cead68eb254c 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -40,6 +40,7 @@
 #include <linux/skbuff.h>
 #include <linux/sysctl.h>
 #include <linux/notifier.h>
+#include <linux/slab.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <net/net_namespace.h>
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index e9d48700e83a..4ab96c15166d 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -20,6 +20,7 @@
 #include <linux/string.h>
 #include <linux/net.h>
 #include <linux/socket.h>
+#include <linux/slab.h>
 #include <linux/sockios.h>
 #include <linux/init.h>
 #include <linux/skbuff.h>
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 794b5bf95af1..deb723dba44b 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -28,6 +28,7 @@
 #include <linux/module.h>
 #include <linux/socket.h>
 #include <linux/if_arp.h>
+#include <linux/slab.h>
 #include <linux/if_ether.h>
 #include <linux/init.h>
 #include <linux/proc_fs.h>
diff --git a/net/decnet/dn_nsp_in.c b/net/decnet/dn_nsp_in.c
index 932408dca86d..25a37299bc65 100644
--- a/net/decnet/dn_nsp_in.c
+++ b/net/decnet/dn_nsp_in.c
@@ -57,6 +57,7 @@
 #include <linux/netdevice.h>
 #include <linux/inet.h>
 #include <linux/route.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <asm/system.h>
diff --git a/net/decnet/dn_nsp_out.c b/net/decnet/dn_nsp_out.c
index a65e929ce76c..baeb1eaf011b 100644
--- a/net/decnet/dn_nsp_out.c
+++ b/net/decnet/dn_nsp_out.c
@@ -50,6 +50,7 @@
 #include <linux/netdevice.h>
 #include <linux/inet.h>
 #include <linux/route.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <asm/system.h>
 #include <linux/fcntl.h>
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index a7bf03ca0a36..70ebe74027d5 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -66,6 +66,7 @@
 #include <linux/inet.h>
 #include <linux/route.h>
 #include <linux/in_route.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <linux/mm.h>
 #include <linux/proc_fs.h>
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index b9a33bb5e9cc..f2abd3755690 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -15,6 +15,7 @@
 #include <linux/string.h>
 #include <linux/net.h>
 #include <linux/socket.h>
+#include <linux/slab.h>
 #include <linux/sockios.h>
 #include <linux/init.h>
 #include <linux/skbuff.h>
diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c
index 6d2bd3202048..64a7f39e069f 100644
--- a/net/decnet/netfilter/dn_rtmsg.c
+++ b/net/decnet/netfilter/dn_rtmsg.c
@@ -14,6 +14,7 @@
  */
 #include <linux/module.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/netdevice.h>
 #include <linux/netfilter.h>
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 71489f69a42c..6112a12578b2 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -11,6 +11,7 @@
 #include <linux/list.h>
 #include <linux/netdevice.h>
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 #include <net/dsa.h>
 #include "dsa_priv.h"
 
diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c
index cdf2d28a0297..98dfe80b4538 100644
--- a/net/dsa/tag_dsa.c
+++ b/net/dsa/tag_dsa.c
@@ -11,6 +11,7 @@
 #include <linux/etherdevice.h>
 #include <linux/list.h>
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 #include "dsa_priv.h"
 
 #define DSA_HLEN        4
diff --git a/net/dsa/tag_edsa.c b/net/dsa/tag_edsa.c
index 8f53948cff4f..6f383322ad25 100644
--- a/net/dsa/tag_edsa.c
+++ b/net/dsa/tag_edsa.c
@@ -11,6 +11,7 @@
 #include <linux/etherdevice.h>
 #include <linux/list.h>
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 #include "dsa_priv.h"
 
 #define DSA_HLEN        4
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index a85c829853c0..d6d7d0add3cb 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -11,6 +11,7 @@
 #include <linux/etherdevice.h>
 #include <linux/list.h>
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 #include "dsa_priv.h"
 
 netdev_tx_t trailer_xmit(struct sk_buff *skb, struct net_device *dev)
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 29b4931aae52..2a5a8053e000 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -30,6 +30,7 @@
 #include <linux/wireless.h>
 #include <linux/skbuff.h>
 #include <linux/udp.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/inet_common.h>
 #include <linux/stat.h>
diff --git a/net/ethernet/pe2.c b/net/ethernet/pe2.c
index d60e15d9365e..eb00796758c3 100644
--- a/net/ethernet/pe2.c
+++ b/net/ethernet/pe2.c
@@ -3,6 +3,7 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 
 #include <net/datalink.h>
 
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index bad1c49fd960..93c91b633a56 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -28,6 +28,7 @@
 #include <linux/if.h>
 #include <linux/termios.h>      /* For TIOCOUTQ/INQ */
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <net/datalink.h>
 #include <net/psnap.h>
 #include <net/sock.h>
@@ -126,6 +127,9 @@ static int ieee802154_sock_connect(struct socket *sock, struct sockaddr *uaddr,
 {
         struct sock *sk = sock->sk;
 
+        if (addr_len < sizeof(uaddr->sa_family))
+                return -EINVAL;
+
         if (uaddr->sa_family == AF_UNSPEC)
                 return sk->sk_prot->disconnect(sk, flags);
 
@@ -147,6 +151,9 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
         dev_load(sock_net(sk), ifr.ifr_name);
         dev = dev_get_by_name(sock_net(sk), ifr.ifr_name);
 
+        if (!dev)
+                return -ENODEV;
+
         if (dev->type == ARPHRD_IEEE802154 && dev->netdev_ops->ndo_do_ioctl)
                 ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, cmd);
 
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index 9aac5aee1575..1a3334c2609a 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -25,6 +25,7 @@
 #include <linux/module.h>
 #include <linux/if_arp.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/af_ieee802154.h>
 #include <net/ieee802154.h>
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 33137b99e471..c8097ae2482f 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -23,6 +23,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/gfp.h>
 #include <net/genetlink.h>
 #include <linux/nl802154.h>
 
diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
index 135c1678fb11..71ee1108d4f8 100644
--- a/net/ieee802154/nl-mac.c
+++ b/net/ieee802154/nl-mac.c
@@ -22,6 +22,7 @@
  * Maxim Osipov <maxim.osipov@siemens.com>
  */
 
+#include <linux/gfp.h>
 #include <linux/kernel.h>
 #include <linux/if_arp.h>
 #include <linux/netdevice.h>
diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
index 199a2d9d12f9..ed0eab39f531 100644
--- a/net/ieee802154/nl-phy.c
+++ b/net/ieee802154/nl-phy.c
@@ -23,6 +23,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <net/netlink.h>
 #include <net/genetlink.h>
 #include <net/wpan-phy.h>
diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c
index 9c9b85c00033..10970ca85748 100644
--- a/net/ieee802154/raw.c
+++ b/net/ieee802154/raw.c
@@ -25,6 +25,7 @@
 #include <linux/module.h>
 #include <linux/if_arp.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/af_ieee802154.h>
 
diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c
index 268691256a6d..3d803a1b9fb6 100644
--- a/net/ieee802154/wpan-class.c
+++ b/net/ieee802154/wpan-class.c
@@ -16,6 +16,7 @@
  *
  */
 
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/device.h>
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 33b7dffa7732..f71357422380 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -86,6 +86,7 @@
 #include <linux/poll.h>
 #include <linux/netfilter_ipv4.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -530,6 +531,8 @@ int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr,
 {
         struct sock *sk = sock->sk;
 
+        if (addr_len < sizeof(uaddr->sa_family))
+                return -EINVAL;
         if (uaddr->sa_family == AF_UNSPEC)
                 return sk->sk_prot->disconnect(sk, flags);
 
@@ -573,6 +576,9 @@ int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
         int err;
         long timeo;
 
+        if (addr_len < sizeof(uaddr->sa_family))
+                return -EINVAL;
+
         lock_sock(sk);
 
         if (uaddr->sa_family == AF_UNSPEC) {
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 987b47dc69ad..880a5ec6dce0 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -1,6 +1,7 @@
 #include <crypto/hash.h>
 #include <linux/err.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <net/ip.h>
 #include <net/xfrm.h>
 #include <net/ah.h>
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index c4dd13542802..6e747065c202 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -98,6 +98,7 @@
 #include <linux/net.h>
 #include <linux/rcupdate.h>
 #include <linux/jhash.h>
+#include <linux/slab.h>
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
 #endif
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 1e029dc75455..c97cd9ff697e 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -44,6 +44,7 @@
 #include <linux/string.h>
 #include <linux/jhash.h>
 #include <linux/audit.h>
+#include <linux/slab.h>
 #include <net/ip.h>
 #include <net/icmp.h>
 #include <net/tcp.h>
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 51ca946e3392..90e3d6379a42 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -50,6 +50,7 @@
 #include <linux/notifier.h>
 #include <linux/inetdevice.h>
 #include <linux/igmp.h>
+#include <linux/slab.h>
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
 #endif
@@ -1194,7 +1195,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
                 hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
                         if (idx < s_idx)
                                 goto cont;
-                        if (idx > s_idx)
+                        if (h > s_h || idx > s_idx)
                                 s_ip_idx = 0;
                         in_dev = __in_dev_get_rcu(dev);
                         if (!in_dev)
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 9b3e28ed5240..4f0ed458c883 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -34,6 +34,7 @@
 #include <linux/skbuff.h>
 #include <linux/init.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 
 #include <net/ip.h>
 #include <net/protocol.h>
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index 14972017b9c2..4ed7e0dea1bc 100644
--- a/net/ipv4/fib_hash.c
+++ b/net/ipv4/fib_hash.c
@@ -32,6 +32,7 @@
 #include <linux/skbuff.h>
 #include <linux/netlink.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 
 #include <net/net_namespace.h>
 #include <net/ip.h>
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 1af0ea0fb6a2..20f09c5b31e8 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -32,6 +32,7 @@
 #include <linux/proc_fs.h>
 #include <linux/skbuff.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 
 #include <net/arp.h>
 #include <net/ip.h>
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index af5d89792860..c98f115fb0fd 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -71,6 +71,7 @@
 #include <linux/netlink.h>
 #include <linux/init.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/ip.h>
 #include <net/protocol.h>
@@ -208,7 +209,9 @@ static inline struct node *tnode_get_child_rcu(struct tnode *tn, unsigned int i)
 {
         struct node *ret = tnode_get_child(tn, i);
 
-        return rcu_dereference(ret);
+        return rcu_dereference_check(ret,
+                                     rcu_read_lock_held() ||
+                                     lockdep_rtnl_is_held());
 }
 
 static inline int tnode_child_length(const struct tnode *tn)
@@ -961,7 +964,9 @@ fib_find_node(struct trie *t, u32 key)
         struct node *n;
 
         pos = 0;
-        n = rcu_dereference(t->trie);
+        n = rcu_dereference_check(t->trie,
+                                  rcu_read_lock_held() ||
+                                  lockdep_rtnl_is_held());
 
         while (n != NULL &&  NODE_TYPE(n) == T_TNODE) {
                 tn = (struct tnode *) n;
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 4b4c2bcd15db..ac4dec132735 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -74,6 +74,7 @@
 #include <linux/netdevice.h>
 #include <linux/string.h>
 #include <linux/netfilter_ipv4.h>
+#include <linux/slab.h>
 #include <net/snmp.h>
 #include <net/ip.h>
 #include <net/route.h>
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 63bf298ca109..15d3eeda92f5 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -71,6 +71,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <linux/types.h>
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 1aaa8110d84b..e5fa2ddce320 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -14,6 +14,7 @@
 #include <linux/types.h>
 #include <linux/fcntl.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 #include <linux/cache.h>
 #include <linux/init.h>
 #include <linux/time.h>
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index eaf3e2c8646a..a2ca6aed763b 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -19,6 +19,7 @@
 #include <linux/random.h>
 #include <linux/skbuff.h>
 #include <linux/rtnetlink.h>
+#include <linux/slab.h>
 
 #include <net/inet_frag.h>
 
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index cc94cc2d8b2d..c5af909cf701 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -10,6 +10,7 @@
 
 #include <linux/kernel.h>
 #include <linux/kmemcheck.h>
+#include <linux/slab.h>
 #include <net/inet_hashtables.h>
 #include <net/inet_timewait_sock.h>
 #include <net/ip.h>
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index a2991bc8e32e..af10942b326c 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -25,6 +25,7 @@
 #include <linux/ip.h>
 #include <linux/icmp.h>
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/ip.h>
 #include <net/tcp.h>
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index b59430bc041c..75347ea70ea0 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -32,6 +32,7 @@
 #include <linux/netdevice.h>
 #include <linux/jhash.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 #include <net/route.h>
 #include <net/dst.h>
 #include <net/sock.h>
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index c0c5274d0271..fe381d12ecdd 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <asm/uaccess.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
@@ -810,11 +811,13 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
                         tunnel->err_count = 0;
         }
 
-        max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen;
+        max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + rt->u.dst.header_len;
 
         if (skb_headroom(skb) < max_headroom || skb_shared(skb)||
             (skb_cloned(skb) && !skb_clone_writable(skb, 0))) {
                 struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
+                if (max_headroom > dev->needed_headroom)
+                        dev->needed_headroom = max_headroom;
                 if (!new_skb) {
                         ip_rt_put(rt);
                         txq->tx_dropped++;
@@ -1144,12 +1147,9 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev,
 
         if (saddr)
                 memcpy(&iph->saddr, saddr, 4);
-
-        if (daddr) {
+        if (daddr)
                 memcpy(&iph->daddr, daddr, 4);
-                return t->hlen;
-        }
-        if (iph->daddr && !ipv4_is_multicast(iph->daddr))
+        if (iph->daddr)
                 return t->hlen;
 
         return -t->hlen;
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index c29de9879fda..f8ab7a380d4a 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -119,6 +119,7 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/errno.h>
+#include <linux/slab.h>
 
 #include <linux/net.h>
 #include <linux/socket.h>
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 94bf105ef3c9..4c09a31fd140 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -11,6 +11,7 @@
 
 #include <linux/capability.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <asm/uaccess.h>
 #include <linux/skbuff.h>
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 3451799e3dbf..d1bcc9f21d4f 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -51,6 +51,7 @@
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/highmem.h>
+#include <linux/slab.h>
 
 #include <linux/socket.h>
 #include <linux/sockios.h>
@@ -119,7 +120,7 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb)
         newskb->pkt_type = PACKET_LOOPBACK;
         newskb->ip_summed = CHECKSUM_UNNECESSARY;
         WARN_ON(!skb_dst(newskb));
-        netif_rx(newskb);
+        netif_rx_ni(newskb);
         return 0;
 }
 
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 644dc43a55de..1e64dabbd232 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -23,6 +23,7 @@
 #include <linux/icmp.h>
 #include <linux/inetdevice.h>
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/ip.h>
 #include <net/icmp.h>
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 10a6a604bf32..067ce9e043dc 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -53,6 +53,7 @@
 #include <linux/root_dev.h>
 #include <linux/delay.h>
 #include <linux/nfs_fs.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/arp.h>
 #include <net/ip.h>
@@ -187,6 +188,16 @@ struct ic_device {
 static struct ic_device *ic_first_dev __initdata = NULL;/* List of open device */
 static struct net_device *ic_dev __initdata = NULL;     /* Selected device */
 
+static bool __init ic_device_match(struct net_device *dev)
+{
+        if (user_dev_name[0] ? !strcmp(dev->name, user_dev_name) :
+            (!(dev->flags & IFF_LOOPBACK) &&
+             (dev->flags & (IFF_POINTOPOINT|IFF_BROADCAST)) &&
+             strncmp(dev->name, "dummy", 5)))
+                return true;
+        return false;
+}
+
 static int __init ic_open_devs(void)
 {
         struct ic_device *d, **last;
@@ -207,10 +218,7 @@ static int __init ic_open_devs(void)
         for_each_netdev(&init_net, dev) {
                 if (dev->flags & IFF_LOOPBACK)
                         continue;
-                if (user_dev_name[0] ? !strcmp(dev->name, user_dev_name) :
-                    (!(dev->flags & IFF_LOOPBACK) &&
-                     (dev->flags & (IFF_POINTOPOINT|IFF_BROADCAST)) &&
-                     strncmp(dev->name, "dummy", 5))) {
+                if (ic_device_match(dev)) {
                         int able = 0;
                         if (dev->mtu >= 364)
                                 able |= IC_BOOTP;
@@ -228,7 +236,7 @@ static int __init ic_open_devs(void)
                         }
                         if (!(d = kmalloc(sizeof(struct ic_device), GFP_KERNEL))) {
                                 rtnl_unlock();
-                                return -1;
+                                return -ENOMEM;
                         }
                         d->dev = dev;
                         *last = d;
@@ -253,7 +261,7 @@ static int __init ic_open_devs(void)
                         printk(KERN_ERR "IP-Config: Device `%s' not found.\n", user_dev_name);
                 else
                         printk(KERN_ERR "IP-Config: No network devices available.\n");
-                return -1;
+                return -ENODEV;
         }
         return 0;
 }
@@ -1303,6 +1311,32 @@ __be32 __init root_nfs_parse_addr(char *name)
         return addr;
 }
 
+#define DEVICE_WAIT_MAX         12 /* 12 seconds */
+
+static int __init wait_for_devices(void)
+{
+        int i;
+
+        msleep(CONF_PRE_OPEN);
+        for (i = 0; i < DEVICE_WAIT_MAX; i++) {
+                struct net_device *dev;
+                int found = 0;
+
+                rtnl_lock();
+                for_each_netdev(&init_net, dev) {
+                        if (ic_device_match(dev)) {
+                                found = 1;
+                                break;
+                        }
+                }
+                rtnl_unlock();
+                if (found)
+                        return 0;
+                ssleep(1);
+        }
+        return -ENODEV;
+}
+
 /*
  *      IP Autoconfig dispatcher.
  */
@@ -1313,6 +1347,7 @@ static int __init ip_auto_config(void)
 #ifdef IPCONFIG_DYNAMIC
         int retries = CONF_OPEN_RETRIES;
 #endif
+        int err;
 
 #ifdef CONFIG_PROC_FS
         proc_net_fops_create(&init_net, "pnp", S_IRUGO, &pnp_seq_fops);
@@ -1325,12 +1360,15 @@ static int __init ip_auto_config(void)
 #ifdef IPCONFIG_DYNAMIC
  try_try_again:
 #endif
-        /* Give hardware a chance to settle */
-        msleep(CONF_PRE_OPEN);
+        /* Wait for devices to appear */
+        err = wait_for_devices();
+        if (err)
+                return err;
 
         /* Setup all network devices */
-        if (ic_open_devs() < 0)
-                return -1;
+        err = ic_open_devs();
+        if (err)
+                return err;
 
         /* Give drivers a chance to settle */
         ssleep(CONF_POST_OPEN);
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 2f302d3ac9a3..0b27b14dcc9d 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -95,6 +95,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <asm/uaccess.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 8582e12e4a62..9d4f6d1340a4 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -47,6 +47,7 @@
 #include <linux/mroute.h>
 #include <linux/init.h>
 #include <linux/if_ether.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/ip.h>
 #include <net/protocol.h>
@@ -802,6 +803,9 @@ static int ipmr_mfc_add(struct net *net, struct mfcctl *mfc, int mrtsock)
         int line;
         struct mfc_cache *uc, *c, **cp;
 
+        if (mfc->mfcc_parent >= MAXVIFS)
+                return -ENFILE;
+
         line = MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
 
         for (cp = &net->ipv4.mfc_cache_array[line];
@@ -1613,17 +1617,20 @@ ipmr_fill_mroute(struct sk_buff *skb, struct mfc_cache *c, struct rtmsg *rtm)
         int ct;
         struct rtnexthop *nhp;
         struct net *net = mfc_net(c);
-        struct net_device *dev = net->ipv4.vif_table[c->mfc_parent].dev;
         u8 *b = skb_tail_pointer(skb);
         struct rtattr *mp_head;
 
-        if (dev)
-                RTA_PUT(skb, RTA_IIF, 4, &dev->ifindex);
+        /* If cache is unresolved, don't try to parse IIF and OIF */
+        if (c->mfc_parent > MAXVIFS)
+                return -ENOENT;
+
+        if (VIF_EXISTS(net, c->mfc_parent))
+                RTA_PUT(skb, RTA_IIF, 4, &net->ipv4.vif_table[c->mfc_parent].dev->ifindex);
 
         mp_head = (struct rtattr *)skb_put(skb, RTA_LENGTH(0));
 
         for (ct = c->mfc_un.res.minvif; ct < c->mfc_un.res.maxvif; ct++) {
-                if (c->mfc_un.res.ttls[ct] < 255) {
+                if (VIF_EXISTS(net, ct) && c->mfc_un.res.ttls[ct] < 255) {
                         if (skb_tailroom(skb) < RTA_ALIGN(RTA_ALIGN(sizeof(*nhp)) + 4))
                                 goto rtattr_failure;
                         nhp = (struct rtnexthop *)skb_put(skb, RTA_ALIGN(sizeof(*nhp)));
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index c14623fc4d5e..82fb43c5c59e 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -4,6 +4,7 @@
 #include <linux/netfilter_ipv4.h>
 #include <linux/ip.h>
 #include <linux/skbuff.h>
+#include <linux/gfp.h>
 #include <net/route.h>
 #include <net/xfrm.h>
 #include <net/ip.h>
diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c
index bfe26f32b930..79ca5e70d497 100644
--- a/net/ipv4/netfilter/arptable_filter.c
+++ b/net/ipv4/netfilter/arptable_filter.c
@@ -8,6 +8,7 @@
 #include <linux/module.h>
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter_arp/arp_tables.h>
+#include <linux/slab.h>
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 2855f1f38cbc..e2787048aa0a 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -26,6 +26,7 @@
 #include <linux/security.h>
 #include <linux/net.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/sock.h>
 #include <net/route.h>
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 0886f96c736b..ab828400ed71 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -14,6 +14,7 @@
 #include <linux/jhash.h>
 #include <linux/bitops.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <linux/ip.h>
 #include <linux/tcp.h>
 #include <linux/udp.h>
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index 5113b8f1a379..a0e8bcf04159 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -12,6 +12,7 @@
 
 #include <linux/module.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <linux/ip.h>
 #include <linux/udp.h>
 #include <linux/icmp.h>
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index 09a5d3f7cc41..0dbe697f164f 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -33,6 +33,7 @@
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/socket.h>
+#include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/kernel.h>
 #include <linux/timer.h>
diff --git a/net/ipv4/netfilter/iptable_filter.c b/net/ipv4/netfilter/iptable_filter.c
index c8dc9800d620..55392466daa4 100644
--- a/net/ipv4/netfilter/iptable_filter.c
+++ b/net/ipv4/netfilter/iptable_filter.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/slab.h>
 #include <net/ip.h>
 
 MODULE_LICENSE("GPL");
diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c
index b9b83464cbf4..294a2a32f293 100644
--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -12,6 +12,7 @@
 #include <linux/netfilter_ipv4/ip_tables.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/route.h>
 #include <linux/ip.h>
diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c
index 06fb9d11953c..07fb710cd722 100644
--- a/net/ipv4/netfilter/iptable_raw.c
+++ b/net/ipv4/netfilter/iptable_raw.c
@@ -5,6 +5,7 @@
  */
 #include <linux/module.h>
 #include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/slab.h>
 #include <net/ip.h>
 
 #define RAW_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT))
diff --git a/net/ipv4/netfilter/iptable_security.c b/net/ipv4/netfilter/iptable_security.c
index cce2f64e6f21..be45bdc4c602 100644
--- a/net/ipv4/netfilter/iptable_security.c
+++ b/net/ipv4/netfilter/iptable_security.c
@@ -17,6 +17,7 @@
  */
 #include <linux/module.h>
 #include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/slab.h>
 #include <net/ip.h>
 
 MODULE_LICENSE("GPL");
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index 4595281c2863..4f8bddb760c9 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -12,6 +12,7 @@
 #include <linux/types.h>
 #include <linux/timer.h>
 #include <linux/skbuff.h>
+#include <linux/gfp.h>
 #include <net/checksum.h>
 #include <net/icmp.h>
 #include <net/ip.h>
diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 4b6af4bb1f50..4a0c6b548eee 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -8,6 +8,7 @@
  * published by the Free Software Foundation.
  */
 #include <linux/module.h>
+#include <linux/gfp.h>
 #include <linux/kmod.h>
 #include <linux/types.h>
 #include <linux/timer.h>
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c
index ab74cc0535e2..26de2c1f7fab 100644
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -15,6 +15,7 @@
 #include <linux/kmod.h>
 #include <linux/skbuff.h>
 #include <linux/proc_fs.h>
+#include <linux/slab.h>
 #include <net/checksum.h>
 #include <net/route.h>
 #include <linux/bitops.h>
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index 0b9c7ce3d6c5..4d85b6e55f29 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -43,6 +43,7 @@
 #include <linux/moduleparam.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/in.h>
 #include <linux/ip.h>
 #include <linux/udp.h>
diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c
index 5678e9562c15..c39c9cf6bee6 100644
--- a/net/ipv4/netfilter/nf_nat_standalone.c
+++ b/net/ipv4/netfilter/nf_nat_standalone.c
@@ -7,6 +7,7 @@
  */
 #include <linux/types.h>
 #include <linux/icmp.h>
+#include <linux/gfp.h>
 #include <linux/ip.h>
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv4.h>
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 242ed2307370..4f1f337f4337 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -249,6 +249,8 @@ static const struct snmp_mib snmp4_net_list[] = {
         SNMP_MIB_ITEM("TCPSackShifted", LINUX_MIB_SACKSHIFTED),
         SNMP_MIB_ITEM("TCPSackMerged", LINUX_MIB_SACKMERGED),
         SNMP_MIB_ITEM("TCPSackShiftFallback", LINUX_MIB_SACKSHIFTFALLBACK),
+        SNMP_MIB_ITEM("TCPBacklogDrop", LINUX_MIB_TCPBACKLOGDROP),
+        SNMP_MIB_ITEM("TCPMinTTLDrop", LINUX_MIB_TCPMINTTLDROP),
         SNMP_MIB_SENTINEL
 };
 
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index ce154b47f1da..cc6f097fbd5f 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -60,7 +60,6 @@
 #include <net/net_namespace.h>
 #include <net/dst.h>
 #include <net/sock.h>
-#include <linux/gfp.h>
 #include <linux/ip.h>
 #include <linux/net.h>
 #include <net/ip.h>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index b2ba5581d2ae..cb562fdd9b9a 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -90,6 +90,7 @@
 #include <linux/jhash.h>
 #include <linux/rcupdate.h>
 #include <linux/times.h>
+#include <linux/slab.h>
 #include <net/dst.h>
 #include <net/net_namespace.h>
 #include <net/protocol.h>
@@ -146,7 +147,6 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst);
 static void              ipv4_link_failure(struct sk_buff *skb);
 static void              ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu);
 static int rt_garbage_collect(struct dst_ops *ops);
-static void rt_emergency_hash_rebuild(struct net *net);
 
 
 static struct dst_ops ipv4_dst_ops = {
@@ -780,11 +780,30 @@ static void rt_do_flush(int process_context)
 #define FRACT_BITS 3
 #define ONE (1UL << FRACT_BITS)
 
+/*
+ * Given a hash chain and an item in this hash chain,
+ * find if a previous entry has the same hash_inputs
+ * (but differs on tos, mark or oif)
+ * Returns 0 if an alias is found.
+ * Returns ONE if rth has no alias before itself.
+ */
+static int has_noalias(const struct rtable *head, const struct rtable *rth)
+{
+        const struct rtable *aux = head;
+
+        while (aux != rth) {
+                if (compare_hash_inputs(&aux->fl, &rth->fl))
+                        return 0;
+                aux = aux->u.dst.rt_next;
+        }
+        return ONE;
+}
+
 static void rt_check_expire(void)
 {
         static unsigned int rover;
         unsigned int i = rover, goal;
-        struct rtable *rth, *aux, **rthp;
+        struct rtable *rth, **rthp;
         unsigned long samples = 0;
         unsigned long sum = 0, sum2 = 0;
         unsigned long delta;
@@ -835,15 +854,7 @@ nofree:
                                          * attributes don't unfairly skew
                                          * the length computation
                                          */
-                                        for (aux = rt_hash_table[i].chain;;) {
-                                                if (aux == rth) {
-                                                        length += ONE;
-                                                        break;
-                                                }
-                                                if (compare_hash_inputs(&aux->fl, &rth->fl))
-                                                        break;
-                                                aux = aux->u.dst.rt_next;
-                                        }
+                                        length += has_noalias(rt_hash_table[i].chain, rth);
                                         continue;
                                 }
                         } else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout))
@@ -922,10 +933,8 @@ static void rt_secret_rebuild_oneshot(struct net *net)
 {
         del_timer_sync(&net->ipv4.rt_secret_timer);
         rt_cache_invalidate(net);
-        if (ip_rt_secret_interval) {
-                net->ipv4.rt_secret_timer.expires += ip_rt_secret_interval;
-                add_timer(&net->ipv4.rt_secret_timer);
-        }
+        if (ip_rt_secret_interval)
+                mod_timer(&net->ipv4.rt_secret_timer, jiffies + ip_rt_secret_interval);
 }
 
 static void rt_emergency_hash_rebuild(struct net *net)
@@ -1073,8 +1082,23 @@ work_done:
 out:    return 0;
 }
 
+/*
+ * Returns number of entries in a hash chain that have different hash_inputs
+ */
+static int slow_chain_length(const struct rtable *head)
+{
+        int length = 0;
+        const struct rtable *rth = head;
+
+        while (rth) {
+                length += has_noalias(head, rth);
+                rth = rth->u.dst.rt_next;
+        }
+        return length >> FRACT_BITS;
+}
+
 static int rt_intern_hash(unsigned hash, struct rtable *rt,
-                          struct rtable **rp, struct sk_buff *skb)
+                          struct rtable **rp, struct sk_buff *skb, int ifindex)
 {
         struct rtable   *rth, **rthp;
         unsigned long   now;
@@ -1185,14 +1209,20 @@ restart:
                         rt_free(cand);
                 }
         } else {
-                if (chain_length > rt_chain_length_max) {
+                if (chain_length > rt_chain_length_max &&
+                    slow_chain_length(rt_hash_table[hash].chain) > rt_chain_length_max) {
                         struct net *net = dev_net(rt->u.dst.dev);
                         int num = ++net->ipv4.current_rt_cache_rebuild_count;
-                        if (!rt_caching(dev_net(rt->u.dst.dev))) {
+                        if (!rt_caching(net)) {
                                 printk(KERN_WARNING "%s: %d rebuilds is over limit, route caching disabled\n",
                                         rt->u.dst.dev->name, num);
                         }
-                        rt_emergency_hash_rebuild(dev_net(rt->u.dst.dev));
+                        rt_emergency_hash_rebuild(net);
+                        spin_unlock_bh(rt_hash_lock_addr(hash));
+
+                        hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
+                                        ifindex, rt_genid(net));
+                        goto restart;
                 }
         }
 
@@ -1417,7 +1447,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
                                         dev_hold(rt->u.dst.dev);
                                 if (rt->idev)
                                         in_dev_hold(rt->idev);
-                                rt->u.dst.obsolete      = 0;
+                                rt->u.dst.obsolete      = -1;
                                 rt->u.dst.lastuse       = jiffies;
                                 rt->u.dst.path          = &rt->u.dst;
                                 rt->u.dst.neighbour     = NULL;
@@ -1453,7 +1483,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
                                                         &netevent);
 
                                 rt_del(hash, rth);
-                                if (!rt_intern_hash(hash, rt, &rt, NULL))
+                                if (!rt_intern_hash(hash, rt, &rt, NULL, rt->fl.oif))
                                         ip_rt_put(rt);
                                 goto do_next;
                         }
@@ -1482,11 +1512,12 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
         struct dst_entry *ret = dst;
 
         if (rt) {
-                if (dst->obsolete) {
+                if (dst->obsolete > 0) {
                         ip_rt_put(rt);
                         ret = NULL;
                 } else if ((rt->rt_flags & RTCF_REDIRECTED) ||
-                           rt->u.dst.expires) {
+                           (rt->u.dst.expires &&
+                            time_after_eq(jiffies, rt->u.dst.expires))) {
                         unsigned hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
                                                 rt->fl.oif,
                                                 rt_genid(dev_net(dst->dev)));
@@ -1702,7 +1733,9 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
 
 static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
 {
-        return NULL;
+        if (rt_is_expired((struct rtable *)dst))
+                return NULL;
+        return dst;
 }
 
 static void ipv4_dst_destroy(struct dst_entry *dst)
@@ -1864,7 +1897,8 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
         if (!rth)
                 goto e_nobufs;
 
-        rth->u.dst.output= ip_rt_bug;
+        rth->u.dst.output = ip_rt_bug;
+        rth->u.dst.obsolete = -1;
 
         atomic_set(&rth->u.dst.__refcnt, 1);
         rth->u.dst.flags= DST_HOST;
@@ -1903,7 +1937,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 
         in_dev_put(in_dev);
         hash = rt_hash(daddr, saddr, dev->ifindex, rt_genid(dev_net(dev)));
-        return rt_intern_hash(hash, rth, NULL, skb);
+        return rt_intern_hash(hash, rth, NULL, skb, dev->ifindex);
 
 e_nobufs:
         in_dev_put(in_dev);
@@ -2030,6 +2064,7 @@ static int __mkroute_input(struct sk_buff *skb,
         rth->fl.oif     = 0;
         rth->rt_spec_dst= spec_dst;
 
+        rth->u.dst.obsolete = -1;
         rth->u.dst.input = ip_forward;
         rth->u.dst.output = ip_output;
         rth->rt_genid = rt_genid(dev_net(rth->u.dst.dev));
@@ -2069,7 +2104,7 @@ static int ip_mkroute_input(struct sk_buff *skb,
         /* put it into the cache */
         hash = rt_hash(daddr, saddr, fl->iif,
                        rt_genid(dev_net(rth->u.dst.dev)));
-        return rt_intern_hash(hash, rth, NULL, skb);
+        return rt_intern_hash(hash, rth, NULL, skb, fl->iif);
 }
 
 /*
@@ -2194,6 +2229,7 @@ local_input:
                 goto e_nobufs;
 
         rth->u.dst.output= ip_rt_bug;
+        rth->u.dst.obsolete = -1;
         rth->rt_genid = rt_genid(net);
 
         atomic_set(&rth->u.dst.__refcnt, 1);
@@ -2225,7 +2261,7 @@ local_input:
         }
         rth->rt_type    = res.type;
         hash = rt_hash(daddr, saddr, fl.iif, rt_genid(net));
-        err = rt_intern_hash(hash, rth, NULL, skb);
+        err = rt_intern_hash(hash, rth, NULL, skb, fl.iif);
         goto done;
 
 no_route:
@@ -2420,6 +2456,7 @@ static int __mkroute_output(struct rtable **result,
         rth->rt_spec_dst= fl->fl4_src;
 
         rth->u.dst.output=ip_output;
+        rth->u.dst.obsolete = -1;
         rth->rt_genid = rt_genid(dev_net(dev_out));
 
         RT_CACHE_STAT_INC(out_slow_tot);
@@ -2471,7 +2508,7 @@ static int ip_mkroute_output(struct rtable **rp,
         if (err == 0) {
                 hash = rt_hash(oldflp->fl4_dst, oldflp->fl4_src, oldflp->oif,
                                rt_genid(dev_net(dev_out)));
-                err = rt_intern_hash(hash, rth, rp, NULL);
+                err = rt_intern_hash(hash, rth, rp, NULL, oldflp->oif);
         }
 
         return err;
@@ -3077,22 +3114,20 @@ static void rt_secret_reschedule(int old)
         rtnl_lock();
         for_each_net(net) {
                 int deleted = del_timer_sync(&net->ipv4.rt_secret_timer);
+                long time;
 
                 if (!new)
                         continue;
 
                 if (deleted) {
-                        long time = net->ipv4.rt_secret_timer.expires - jiffies;
+                        time = net->ipv4.rt_secret_timer.expires - jiffies;
 
                         if (time <= 0 || (time += diff) <= 0)
                                 time = 0;
-
-                        net->ipv4.rt_secret_timer.expires = time;
                 } else
-                        net->ipv4.rt_secret_timer.expires = new;
+                        time = new;
 
-                net->ipv4.rt_secret_timer.expires += jiffies;
-                add_timer(&net->ipv4.rt_secret_timer);
+                mod_timer(&net->ipv4.rt_secret_timer, jiffies + time);
         }
         rtnl_unlock();
 }
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index c1bc074f61b7..1cd5c15174b8 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -12,6 +12,7 @@
 #include <linux/inetdevice.h>
 #include <linux/seqlock.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/snmp.h>
 #include <net/icmp.h>
 #include <net/ip.h>
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 5901010fad55..0f8caf64caa3 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -265,6 +265,7 @@
 #include <linux/err.h>
 #include <linux/crypto.h>
 #include <linux/time.h>
+#include <linux/slab.h>
 
 #include <net/icmp.h>
 #include <net/tcp.h>
@@ -429,7 +430,7 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
                 if (tp->urg_seq == tp->copied_seq &&
                     !sock_flag(sk, SOCK_URGINLINE) &&
                     tp->urg_data)
-                        target--;
+                        target++;
 
                 /* Potential race condition. If read of tp below will
                  * escape above sk->sk_state, we can be illegally awaken
@@ -1254,6 +1255,39 @@ static void tcp_prequeue_process(struct sock *sk)
         tp->ucopy.memory = 0;
 }
 
+#ifdef CONFIG_NET_DMA
+static void tcp_service_net_dma(struct sock *sk, bool wait)
+{
+        dma_cookie_t done, used;
+        dma_cookie_t last_issued;
+        struct tcp_sock *tp = tcp_sk(sk);
+
+        if (!tp->ucopy.dma_chan)
+                return;
+
+        last_issued = tp->ucopy.dma_cookie;
+        dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+
+        do {
+                if (dma_async_memcpy_complete(tp->ucopy.dma_chan,
+                                              last_issued, &done,
+                                              &used) == DMA_SUCCESS) {
+                        /* Safe to free early-copied skbs now */
+                        __skb_queue_purge(&sk->sk_async_wait_queue);
+                        break;
+                } else {
+                        struct sk_buff *skb;
+                        while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
+                               (dma_async_is_complete(skb->dma_cookie, done,
+                                                      used) == DMA_SUCCESS)) {
+                                __skb_dequeue(&sk->sk_async_wait_queue);
+                                kfree_skb(skb);
+                        }
+                }
+        } while (wait);
+}
+#endif
+
 static inline struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off)
 {
         struct sk_buff *skb;
@@ -1335,6 +1369,7 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc,
                 sk_eat_skb(sk, skb, 0);
                 if (!desc->count)
                         break;
+                tp->copied_seq = seq;
         }
         tp->copied_seq = seq;
 
@@ -1546,6 +1581,10 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                         /* __ Set realtime policy in scheduler __ */
                 }
 
+#ifdef CONFIG_NET_DMA
+                if (tp->ucopy.dma_chan)
+                        dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+#endif
                 if (copied >= target) {
                         /* Do not sleep, just process backlog. */
                         release_sock(sk);
@@ -1554,6 +1593,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                         sk_wait_data(sk, &timeo);
 
 #ifdef CONFIG_NET_DMA
+                tcp_service_net_dma(sk, false);  /* Don't block */
                 tp->ucopy.wakeup = 0;
 #endif
 
@@ -1633,6 +1673,9 @@ do_prequeue:
                                                 copied = -EFAULT;
                                         break;
                                 }
+
+                                dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+
                                 if ((offset + used) == skb->len)
                                         copied_early = 1;
 
@@ -1702,27 +1745,9 @@ skip_copy:
         }
 
 #ifdef CONFIG_NET_DMA
-        if (tp->ucopy.dma_chan) {
-                dma_cookie_t done, used;
-
-                dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
-
-                while (dma_async_memcpy_complete(tp->ucopy.dma_chan,
-                                                 tp->ucopy.dma_cookie, &done,
-                                                 &used) == DMA_IN_PROGRESS) {
-                        /* do partial cleanup of sk_async_wait_queue */
-                        while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
-                               (dma_async_is_complete(skb->dma_cookie, done,
-                                                      used) == DMA_SUCCESS)) {
-                                __skb_dequeue(&sk->sk_async_wait_queue);
-                                kfree_skb(skb);
-                        }
-                }
+        tcp_service_net_dma(sk, true);  /* Wait for queue to drain */
+        tp->ucopy.dma_chan = NULL;
 
-                /* Safe to free early-copied skbs now */
-                __skb_queue_purge(&sk->sk_async_wait_queue);
-                tp->ucopy.dma_chan = NULL;
-        }
         if (tp->ucopy.pinned_list) {
                 dma_unpin_iovec_pages(tp->ucopy.pinned_list);
                 tp->ucopy.pinned_list = NULL;
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 6428b342b164..0ec9bd0ae94f 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -10,6 +10,7 @@
 #include <linux/mm.h>
 #include <linux/types.h>
 #include <linux/list.h>
+#include <linux/gfp.h>
 #include <net/tcp.h>
 
 int sysctl_tcp_max_ssthresh = 0;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 788851ca8c5d..f240f57b2199 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -62,6 +62,7 @@
  */
 
 #include <linux/mm.h>
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/sysctl.h>
 #include <linux/kernel.h>
@@ -2511,6 +2512,9 @@ static void tcp_mark_head_lost(struct sock *sk, int packets)
         int err;
         unsigned int mss;
 
+        if (packets == 0)
+                return;
+
         WARN_ON(packets > tp->packets_out);
         if (tp->lost_skb_hint) {
                 skb = tp->lost_skb_hint;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index c3588b4fd979..3c23e70885f4 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -60,6 +60,7 @@
 #include <linux/jhash.h>
 #include <linux/init.h>
 #include <linux/times.h>
+#include <linux/slab.h>
 
 #include <net/net_namespace.h>
 #include <net/icmp.h>
@@ -370,6 +371,11 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
         if (sk->sk_state == TCP_CLOSE)
                 goto out;
 
+        if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
+                NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
+                goto out;
+        }
+
         icsk = inet_csk(sk);
         tp = tcp_sk(sk);
         seq = ntohl(th->seq);
@@ -1651,13 +1657,15 @@ int tcp_v4_rcv(struct sk_buff *skb)
         if (!sk)
                 goto no_tcp_socket;
 
-        if (iph->ttl < inet_sk(sk)->min_ttl)
-                goto discard_and_relse;
-
 process:
         if (sk->sk_state == TCP_TIME_WAIT)
                 goto do_time_wait;
 
+        if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
+                NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
+                goto discard_and_relse;
+        }
+
         if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb))
                 goto discard_and_relse;
         nf_reset(skb);
@@ -1682,8 +1690,11 @@ process:
                         if (!tcp_prequeue(sk, skb))
                                 ret = tcp_v4_do_rcv(sk, skb);
                 }
-        } else
-                sk_add_backlog(sk, skb);
+        } else if (unlikely(sk_add_backlog(sk, skb))) {
+                bh_unlock_sock(sk);
+                NET_INC_STATS_BH(net, LINUX_MIB_TCPBACKLOGDROP);
+                goto discard_and_relse;
+        }
         bh_unlock_sock(sk);
 
         sock_put(sk);
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index f206ee5dda80..5fabff9ac6d6 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -20,6 +20,7 @@
 
 #include <linux/mm.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/sysctl.h>
 #include <linux/workqueue.h>
 #include <net/tcp.h>
@@ -728,7 +729,7 @@ int tcp_child_process(struct sock *parent, struct sock *child,
                  * in main socket hash table and lock on listening
                  * socket does not protect us more.
                  */
-                sk_add_backlog(child, skb);
+                __sk_add_backlog(child, skb);
         }
 
         bh_unlock_sock(child);
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 4a1605d3f909..0dda86e72ad8 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -37,6 +37,7 @@
 #include <net/tcp.h>
 
 #include <linux/compiler.h>
+#include <linux/gfp.h>
 #include <linux/module.h>
 
 /* People can turn this off for buggy TCP's found in printers etc. */
@@ -2395,13 +2396,17 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
         struct tcp_extend_values *xvp = tcp_xv(rvp);
         struct inet_request_sock *ireq = inet_rsk(req);
         struct tcp_sock *tp = tcp_sk(sk);
+        const struct tcp_cookie_values *cvp = tp->cookie_values;
         struct tcphdr *th;
         struct sk_buff *skb;
         struct tcp_md5sig_key *md5;
         int tcp_header_size;
         int mss;
+        int s_data_desired = 0;
 
-        skb = sock_wmalloc(sk, MAX_TCP_HEADER + 15, 1, GFP_ATOMIC);
+        if (cvp != NULL && cvp->s_data_constant && cvp->s_data_desired)
+                s_data_desired = cvp->s_data_desired;
+        skb = sock_wmalloc(sk, MAX_TCP_HEADER + 15 + s_data_desired, 1, GFP_ATOMIC);
         if (skb == NULL)
                 return NULL;
 
@@ -2457,16 +2462,12 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
                              TCPCB_FLAG_SYN | TCPCB_FLAG_ACK);
 
         if (OPTION_COOKIE_EXTENSION & opts.options) {
-                const struct tcp_cookie_values *cvp = tp->cookie_values;
-
-                if (cvp != NULL &&
-                    cvp->s_data_constant &&
-                    cvp->s_data_desired > 0) {
-                        u8 *buf = skb_put(skb, cvp->s_data_desired);
+                if (s_data_desired) {
+                        u8 *buf = skb_put(skb, s_data_desired);
 
                         /* copy data directly from the listening socket. */
-                        memcpy(buf, cvp->s_data_payload, cvp->s_data_desired);
-                        TCP_SKB_CB(skb)->end_seq += cvp->s_data_desired;
+                        memcpy(buf, cvp->s_data_payload, s_data_desired);
+                        TCP_SKB_CB(skb)->end_seq += s_data_desired;
                 }
 
                 if (opts.hash_size > 0) {
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index 9bc805df95d2..f8efada580e8 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -22,6 +22,7 @@
 #include <linux/kprobes.h>
 #include <linux/socket.h>
 #include <linux/tcp.h>
+#include <linux/slab.h>
 #include <linux/proc_fs.h>
 #include <linux/module.h>
 #include <linux/ktime.h>
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index a17629b8912e..8a0ab2977f1f 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -19,6 +19,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/gfp.h>
 #include <net/tcp.h>
 
 int sysctl_tcp_syn_retries __read_mostly = TCP_SYN_RETRIES;
@@ -134,7 +135,7 @@ static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
 }
 
 /* This function calculates a "timeout" which is equivalent to the timeout of a
- * TCP connection after "boundary" unsucessful, exponentially backed-off
+ * TCP connection after "boundary" unsuccessful, exponentially backed-off
  * retransmissions with an initial RTO of TCP_RTO_MIN.
  */
 static bool retransmits_timed_out(struct sock *sk,
diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c
index 3959e0ca456a..3b3813cc80b9 100644
--- a/net/ipv4/tunnel4.c
+++ b/net/ipv4/tunnel4.c
@@ -8,6 +8,7 @@
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/icmp.h>
 #include <net/ip.h>
 #include <net/protocol.h>
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 608a5446d05b..8fef859db35d 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -95,6 +95,7 @@
 #include <linux/mm.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 #include <net/tcp_states.h>
 #include <linux/skbuff.h>
 #include <linux/proc_fs.h>
@@ -471,8 +472,8 @@ static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
                         if (hslot->count < hslot2->count)
                                 goto begin;
 
-                        result = udp4_lib_lookup2(net, INADDR_ANY, sport,
-                                                  daddr, hnum, dif,
+                        result = udp4_lib_lookup2(net, saddr, sport,
+                                                  INADDR_ANY, hnum, dif,
                                                   hslot2, slot2);
                 }
                 rcu_read_unlock();
@@ -1371,8 +1372,10 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
         bh_lock_sock(sk);
         if (!sock_owned_by_user(sk))
                 rc = __udp_queue_rcv_skb(sk, skb);
-        else
-                sk_add_backlog(sk, skb);
+        else if (sk_add_backlog(sk, skb)) {
+                bh_unlock_sock(sk);
+                goto drop;
+        }
         bh_unlock_sock(sk);
 
         return rc;
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index f9f922a0ba88..c791bb63203f 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -9,6 +9,7 @@
  *
  */
 
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/string.h>
 #include <linux/netfilter.h>
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index 3444f3b34eca..6f368413eb0e 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -4,6 +4,7 @@
  * Copyright (c) 2004-2006 Herbert Xu <herbert@gondor.apana.org.au>
  */
 
+#include <linux/gfp.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 67107d63c1cd..e4a1483fba77 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -91,11 +91,12 @@ static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,
         return 0;
 }
 
-static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
+static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
+                          struct flowi *fl)
 {
         struct rtable *rt = (struct rtable *)xdst->route;
 
-        xdst->u.rt.fl = rt->fl;
+        xdst->u.rt.fl = *fl;
 
         xdst->u.dst.dev = dev;
         dev_hold(dev);
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 88fd8c5877ee..413054f02aab 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -53,6 +53,7 @@
 #include <linux/route.h>
 #include <linux/inetdevice.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
 #endif
@@ -1380,6 +1381,8 @@ static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed)
                 if (dad_failed)
                         ifp->flags |= IFA_F_DADFAILED;
                 spin_unlock_bh(&ifp->lock);
+                if (dad_failed)
+                        ipv6_ifa_notify(0, ifp);
                 in6_ifa_put(ifp);
 #ifdef CONFIG_IPV6_PRIVACY
         } else if (ifp->flags&IFA_F_TEMPORARY) {
@@ -2615,7 +2618,7 @@ static void addrconf_bonding_change(struct net_device *dev, unsigned long event)
 static int addrconf_ifdown(struct net_device *dev, int how)
 {
         struct inet6_dev *idev;
-        struct inet6_ifaddr *ifa, **bifa;
+        struct inet6_ifaddr *ifa, *keep_list, **bifa;
         struct net *net = dev_net(dev);
         int i;
 
@@ -2649,11 +2652,11 @@ static int addrconf_ifdown(struct net_device *dev, int how)
                 write_lock_bh(&addrconf_hash_lock);
                 while ((ifa = *bifa) != NULL) {
                         if (ifa->idev == idev &&
-                            (how || !(ifa->flags&IFA_F_PERMANENT))) {
+                            (how || !(ifa->flags&IFA_F_PERMANENT) ||
+                             ipv6_addr_type(&ifa->addr) & IPV6_ADDR_LINKLOCAL)) {
                                 *bifa = ifa->lst_next;
                                 ifa->lst_next = NULL;
-                                addrconf_del_timer(ifa);
-                                in6_ifa_put(ifa);
+                                __in6_ifa_put(ifa);
                                 continue;
                         }
                         bifa = &ifa->lst_next;
@@ -2689,31 +2692,51 @@ static int addrconf_ifdown(struct net_device *dev, int how)
                 write_lock_bh(&idev->lock);
         }
 #endif
-        bifa = &idev->addr_list;
-        while ((ifa = *bifa) != NULL) {
-                if (how == 0 && (ifa->flags&IFA_F_PERMANENT)) {
-                        /* Retain permanent address on admin down */
+        keep_list = NULL;
+        bifa = &keep_list;
+        while ((ifa = idev->addr_list) != NULL) {
+                idev->addr_list = ifa->if_next;
+                ifa->if_next = NULL;
+
+                addrconf_del_timer(ifa);
+
+                /* If just doing link down, and address is permanent
+                   and not link-local, then retain it. */
+                if (how == 0 &&
+                    (ifa->flags&IFA_F_PERMANENT) &&
+                    !(ipv6_addr_type(&ifa->addr) & IPV6_ADDR_LINKLOCAL)) {
+
+                        /* Move to holding list */
+                        *bifa = ifa;
                         bifa = &ifa->if_next;
 
-                        /* Restart DAD if needed when link comes back up */
-                        if ( !((dev->flags&(IFF_NOARP|IFF_LOOPBACK)) ||
-                               idev->cnf.accept_dad <= 0 ||
-                               (ifa->flags & IFA_F_NODAD)))
-                                ifa->flags |= IFA_F_TENTATIVE;
-                } else {
-                        *bifa = ifa->if_next;
-                        ifa->if_next = NULL;
+                        /* If not doing DAD on this address, just keep it. */
+                        if ((dev->flags&(IFF_NOARP|IFF_LOOPBACK)) ||
+                            idev->cnf.accept_dad <= 0 ||
+                            (ifa->flags & IFA_F_NODAD))
+                                continue;
 
+                        /* If it was tentative already, no need to notify */
+                        if (ifa->flags & IFA_F_TENTATIVE)
+                                continue;
+
+                        /* Flag it for later restoration when link comes up */
+                        ifa->flags |= IFA_F_TENTATIVE;
+                        in6_ifa_hold(ifa);
+                } else {
                         ifa->dead = 1;
-                        write_unlock_bh(&idev->lock);
+                }
+                write_unlock_bh(&idev->lock);
 
-                        __ipv6_ifa_notify(RTM_DELADDR, ifa);
-                        atomic_notifier_call_chain(&inet6addr_chain, NETDEV_DOWN, ifa);
-                        in6_ifa_put(ifa);
+                __ipv6_ifa_notify(RTM_DELADDR, ifa);
+                atomic_notifier_call_chain(&inet6addr_chain, NETDEV_DOWN, ifa);
+                in6_ifa_put(ifa);
 
-                        write_lock_bh(&idev->lock);
-                }
+                write_lock_bh(&idev->lock);
         }
+
+        idev->addr_list = keep_list;
+
         write_unlock_bh(&idev->lock);
 
         /* Step 5: Discard multicast list */
@@ -2739,28 +2762,29 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 static void addrconf_rs_timer(unsigned long data)
 {
         struct inet6_ifaddr *ifp = (struct inet6_ifaddr *) data;
+        struct inet6_dev *idev = ifp->idev;
 
-        if (ifp->idev->cnf.forwarding)
+        read_lock(&idev->lock);
+        if (idev->dead || !(idev->if_flags & IF_READY))
                 goto out;
 
-        if (ifp->idev->if_flags & IF_RA_RCVD) {
-                /*
-                 *      Announcement received after solicitation
-                 *      was sent
-                 */
+        if (idev->cnf.forwarding)
+                goto out;
+
+        /* Announcement received after solicitation was sent */
+        if (idev->if_flags & IF_RA_RCVD)
                 goto out;
-        }
 
         spin_lock(&ifp->lock);
-        if (ifp->probes++ < ifp->idev->cnf.rtr_solicits) {
+        if (ifp->probes++ < idev->cnf.rtr_solicits) {
                 /* The wait after the last probe can be shorter */
                 addrconf_mod_timer(ifp, AC_RS,
-                                   (ifp->probes == ifp->idev->cnf.rtr_solicits) ?
-                                   ifp->idev->cnf.rtr_solicit_delay :
-                                   ifp->idev->cnf.rtr_solicit_interval);
+                                   (ifp->probes == idev->cnf.rtr_solicits) ?
+                                   idev->cnf.rtr_solicit_delay :
+                                   idev->cnf.rtr_solicit_interval);
                 spin_unlock(&ifp->lock);
 
-                ndisc_send_rs(ifp->idev->dev, &ifp->addr, &in6addr_linklocal_allrouters);
+                ndisc_send_rs(idev->dev, &ifp->addr, &in6addr_linklocal_allrouters);
         } else {
                 spin_unlock(&ifp->lock);
                 /*
@@ -2768,10 +2792,11 @@ static void addrconf_rs_timer(unsigned long data)
                  * assumption any longer.
                  */
                 printk(KERN_DEBUG "%s: no IPv6 routers present\n",
-                       ifp->idev->dev->name);
+                       idev->dev->name);
         }
 
 out:
+        read_unlock(&idev->lock);
         in6_ifa_put(ifp);
 }
 
@@ -2850,9 +2875,9 @@ static void addrconf_dad_timer(unsigned long data)
         struct inet6_dev *idev = ifp->idev;
         struct in6_addr mcaddr;
 
-        read_lock_bh(&idev->lock);
-        if (idev->dead) {
-                read_unlock_bh(&idev->lock);
+        read_lock(&idev->lock);
+        if (idev->dead || !(idev->if_flags & IF_READY)) {
+                read_unlock(&idev->lock);
                 goto out;
         }
 
@@ -2864,7 +2889,7 @@ static void addrconf_dad_timer(unsigned long data)
 
                 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED);
                 spin_unlock(&ifp->lock);
-                read_unlock_bh(&idev->lock);
+                read_unlock(&idev->lock);
 
                 addrconf_dad_completed(ifp);
 
@@ -2874,7 +2899,7 @@ static void addrconf_dad_timer(unsigned long data)
         ifp->probes--;
         addrconf_mod_timer(ifp, AC_DAD, ifp->idev->nd_parms->retrans_time);
         spin_unlock(&ifp->lock);
-        read_unlock_bh(&idev->lock);
+        read_unlock(&idev->lock);
 
         /* send a neighbour solicitation for our addr */
         addrconf_addr_solict_mult(&ifp->addr, &mcaddr);
@@ -3586,7 +3611,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
                 hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
                         if (idx < s_idx)
                                 goto cont;
-                        if (idx > s_idx)
+                        if (h > s_h || idx > s_idx)
                                 s_ip_idx = 0;
                         ip_idx = 0;
                         if ((idev = __in6_dev_get(dev)) == NULL)
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index 6ff73c4c126a..ae404c9a746c 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -13,6 +13,7 @@
 #include <linux/list.h>
 #include <linux/rcupdate.h>
 #include <linux/in6.h>
+#include <linux/slab.h>
 #include <net/addrconf.h>
 #include <linux/if_addrlabel.h>
 #include <linux/netlink.h>
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 37d14e735c27..3192aa02ba5d 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -36,6 +36,7 @@
 #include <linux/proc_fs.h>
 #include <linux/stat.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 5ac89025f9de..ee82d4ef26ce 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -26,6 +26,7 @@
 
 #include <crypto/hash.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <net/ip.h>
 #include <net/ah.h>
 #include <linux/crypto.h>
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index c4f6ca32fa74..b5b07054508a 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -29,6 +29,7 @@
 #include <linux/init.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 
 #include <net/net_namespace.h>
 #include <net/sock.h>
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index e6f9cdf780fe..622dc7939a1b 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -21,6 +21,7 @@
 #include <linux/in6.h>
 #include <linux/ipv6.h>
 #include <linux/route.h>
+#include <linux/slab.h>
 
 #include <net/ipv6.h>
 #include <net/ndisc.h>
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 074f2c084f9f..8a659f92d17a 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -29,6 +29,7 @@
 #include <linux/netdevice.h>
 #include <linux/in6.h>
 #include <linux/icmpv6.h>
+#include <linux/slab.h>
 
 #include <net/dst.h>
 #include <net/sock.h>
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 551882b9dfd6..5e463c43fcc2 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -84,18 +84,11 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
                 if ((rule->flags & FIB_RULE_FIND_SADDR) &&
                     r->src.plen && !(flags & RT6_LOOKUP_F_HAS_SADDR)) {
                         struct in6_addr saddr;
-                        unsigned int srcprefs = 0;
-
-                        if (flags & RT6_LOOKUP_F_SRCPREF_TMP)
-                                srcprefs |= IPV6_PREFER_SRC_TMP;
-                        if (flags & RT6_LOOKUP_F_SRCPREF_PUBLIC)
-                                srcprefs |= IPV6_PREFER_SRC_PUBLIC;
-                        if (flags & RT6_LOOKUP_F_SRCPREF_COA)
-                                srcprefs |= IPV6_PREFER_SRC_COA;
 
                         if (ipv6_dev_get_saddr(net,
                                                ip6_dst_idev(&rt->u.dst)->dev,
-                                               &flp->fl6_dst, srcprefs,
+                                               &flp->fl6_dst,
+                                               rt6_flags2srcprefs(flags),
                                                &saddr))
                                 goto again;
                         if (!ipv6_prefix_equal(&saddr, &r->src.addr,
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index eb9abe24bdf0..3330a4bd6157 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -40,6 +40,7 @@
 #include <linux/skbuff.h>
 #include <linux/init.h>
 #include <linux/netfilter.h>
+#include <linux/slab.h>
 
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 3516e6fe2e56..628db24bcf22 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -17,6 +17,7 @@
 #include <linux/in6.h>
 #include <linux/ipv6.h>
 #include <linux/jhash.h>
+#include <linux/slab.h>
 
 #include <net/addrconf.h>
 #include <net/inet_connection_sock.h>
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 2f9847924fa5..6b82e02158c6 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -26,6 +26,7 @@
 #include <linux/in6.h>
 #include <linux/init.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 
 #ifdef  CONFIG_PROC_FS
 #include <linux/proc_fs.h>
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index e41eba8aacf1..14e23216eb28 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -20,6 +20,7 @@
 #include <linux/route.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 
 #include <net/net_namespace.h>
 #include <net/sock.h>
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index e28f9203deca..6aa7ee1295c2 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -28,6 +28,7 @@
 #include <linux/in6.h>
 #include <linux/icmpv6.h>
 #include <linux/mroute6.h>
+#include <linux/slab.h>
 
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv6.h>
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index dabf108ad811..75d5ef830097 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -37,6 +37,7 @@
 #include <linux/tcp.h>
 #include <linux/route.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv6.h>
@@ -107,7 +108,7 @@ static int ip6_dev_loopback_xmit(struct sk_buff *newskb)
         newskb->ip_summed = CHECKSUM_UNNECESSARY;
         WARN_ON(!skb_dst(newskb));
 
-        netif_rx(newskb);
+        netif_rx_ni(newskb);
         return 0;
 }
 
@@ -628,7 +629,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
         /* We must not fragment if the socket is set to force MTU discovery
          * or if the skb it not generated by a local socket.
          */
-        if (!skb->local_df) {
+        if (!skb->local_df && skb->len > mtu) {
                 skb->dev = skb_dst(skb)->dev;
                 icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 138980eec214..2599870747ec 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -37,6 +37,7 @@
 #include <linux/route.h>
 #include <linux/rtnetlink.h>
 #include <linux/netfilter_ipv6.h>
+#include <linux/slab.h>
 
 #include <asm/uaccess.h>
 #include <asm/atomic.h>
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 52e0f74fdfe0..3e333268db89 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -33,6 +33,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/protocol.h>
 #include <linux/skbuff.h>
 #include <net/sock.h>
@@ -1113,6 +1114,9 @@ static int ip6mr_mfc_add(struct net *net, struct mf6cctl *mfc, int mrtsock)
         unsigned char ttls[MAXMIFS];
         int i;
 
+        if (mfc->mf6cc_parent >= MAXMIFS)
+                return -ENFILE;
+
         memset(ttls, 255, MAXMIFS);
         for (i = 0; i < MAXMIFS; i++) {
                 if (IF_ISSET(i, &mfc->mf6cc_ifset))
@@ -1692,17 +1696,20 @@ ip6mr_fill_mroute(struct sk_buff *skb, struct mfc6_cache *c, struct rtmsg *rtm)
         int ct;
         struct rtnexthop *nhp;
         struct net *net = mfc6_net(c);
-        struct net_device *dev = net->ipv6.vif6_table[c->mf6c_parent].dev;
         u8 *b = skb_tail_pointer(skb);
         struct rtattr *mp_head;
 
-        if (dev)
-                RTA_PUT(skb, RTA_IIF, 4, &dev->ifindex);
+        /* If cache is unresolved, don't try to parse IIF and OIF */
+        if (c->mf6c_parent > MAXMIFS)
+                return -ENOENT;
+
+        if (MIF_EXISTS(net, c->mf6c_parent))
+                RTA_PUT(skb, RTA_IIF, 4, &net->ipv6.vif6_table[c->mf6c_parent].dev->ifindex);
 
         mp_head = (struct rtattr *)skb_put(skb, RTA_LENGTH(0));
 
         for (ct = c->mfc_un.res.minvif; ct < c->mfc_un.res.maxvif; ct++) {
-                if (c->mfc_un.res.ttls[ct] < 255) {
+                if (MIF_EXISTS(net, ct) && c->mfc_un.res.ttls[ct] < 255) {
                         if (skb_tailroom(skb) < RTA_ALIGN(RTA_ALIGN(sizeof(*nhp)) + 4))
                                 goto rtattr_failure;
                         nhp = (struct rtnexthop *)skb_put(skb, RTA_ALIGN(sizeof(*nhp)));
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 430454ee5ead..33f60fca7aa7 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -36,6 +36,7 @@
 #include <linux/init.h>
 #include <linux/sysctl.h>
 #include <linux/netfilter.h>
+#include <linux/slab.h>
 
 #include <net/sock.h>
 #include <net/snmp.h>
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index bcd971915969..c483ab9fd67b 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -43,6 +43,7 @@
 #include <linux/init.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv6.h>
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 8bcc4b7db3bf..da0a4d2adc69 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -59,6 +59,7 @@
 #include <linux/route.h>
 #include <linux/init.h>
 #include <linux/rcupdate.h>
+#include <linux/slab.h>
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
 #endif
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 7854052be60b..6a68a74d14a3 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -25,6 +25,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/sock.h>
 #include <net/ipv6.h>
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index dd8afbaf00a8..39b50c3768e8 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -15,6 +15,7 @@
  * 2 of the License, or (at your option) any later version.
  */
 
+#include <linux/gfp.h>
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/icmpv6.h>
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index 36b72cafc227..d6fc9aff3163 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -12,6 +12,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/netfilter_ipv6/ip6_tables.h>
+#include <linux/slab.h>
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index 7844e557c0ec..6a102b57f356 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -10,6 +10,7 @@
  */
 #include <linux/module.h>
 #include <linux/netfilter_ipv6/ip6_tables.h>
+#include <linux/slab.h>
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index aef31a29de9e..5b9926a011bd 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -5,6 +5,7 @@
  */
 #include <linux/module.h>
 #include <linux/netfilter_ipv6/ip6_tables.h>
+#include <linux/slab.h>
 
 #define RAW_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT))
 
@@ -13,7 +14,7 @@ static const struct xt_table packet_raw = {
         .valid_hooks = RAW_VALID_HOOKS,
         .me = THIS_MODULE,
         .af = NFPROTO_IPV6,
-        .priority = NF_IP6_PRI_FIRST,
+        .priority = NF_IP6_PRI_RAW,
 };
 
 /* The work comes in here from netfilter.c. */
diff --git a/net/ipv6/netfilter/ip6table_security.c b/net/ipv6/netfilter/ip6table_security.c
index 0824d865aa9b..91aa2b4d83c9 100644
--- a/net/ipv6/netfilter/ip6table_security.c
+++ b/net/ipv6/netfilter/ip6table_security.c
@@ -17,6 +17,7 @@
  */
 #include <linux/module.h>
 #include <linux/netfilter_ipv6/ip6_tables.h>
+#include <linux/slab.h>
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("James Morris <jmorris <at> redhat.com>");
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index f1171b744650..dd5b9bd61c62 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -27,6 +27,7 @@
 #include <linux/ipv6.h>
 #include <linux/icmpv6.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 
 #include <net/sock.h>
 #include <net/snmp.h>
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index ed31c37c6e39..8763b1a0814a 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -21,6 +21,7 @@
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/socket.h>
+#include <linux/slab.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
 #include <linux/in6.h>
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index a555156e9779..6d4292ff5854 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -41,6 +41,7 @@
 #include <linux/random.h>
 #include <linux/jhash.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 
 #include <net/sock.h>
 #include <net/snmp.h>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index b08879e97f22..05ebd7833043 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -40,6 +40,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/nsproxy.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/snmp.h>
 #include <net/ipv6.h>
@@ -814,20 +815,13 @@ struct dst_entry * ip6_route_output(struct net *net, struct sock *sk,
 {
         int flags = 0;
 
-        if (rt6_need_strict(&fl->fl6_dst))
+        if (fl->oif || rt6_need_strict(&fl->fl6_dst))
                 flags |= RT6_LOOKUP_F_IFACE;
 
         if (!ipv6_addr_any(&fl->fl6_src))
                 flags |= RT6_LOOKUP_F_HAS_SADDR;
-        else if (sk) {
-                unsigned int prefs = inet6_sk(sk)->srcprefs;
-                if (prefs & IPV6_PREFER_SRC_TMP)
-                        flags |= RT6_LOOKUP_F_SRCPREF_TMP;
-                if (prefs & IPV6_PREFER_SRC_PUBLIC)
-                        flags |= RT6_LOOKUP_F_SRCPREF_PUBLIC;
-                if (prefs & IPV6_PREFER_SRC_COA)
-                        flags |= RT6_LOOKUP_F_SRCPREF_COA;
-        }
+        else if (sk)
+                flags |= rt6_srcprefs2flags(inet6_sk(sk)->srcprefs);
 
         return fib6_rule_lookup(net, fl, flags, ip6_pol_route_output);
 }
@@ -886,7 +880,7 @@ static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie)
 
         rt = (struct rt6_info *) dst;
 
-        if (rt && rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie))
+        if (rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie))
                 return dst;
 
         return NULL;
@@ -897,12 +891,17 @@ static struct dst_entry *ip6_negative_advice(struct dst_entry *dst)
         struct rt6_info *rt = (struct rt6_info *) dst;
 
         if (rt) {
-                if (rt->rt6i_flags & RTF_CACHE)
-                        ip6_del_rt(rt);
-                else
+                if (rt->rt6i_flags & RTF_CACHE) {
+                        if (rt6_check_expired(rt)) {
+                                ip6_del_rt(rt);
+                                dst = NULL;
+                        }
+                } else {
                         dst_release(dst);
+                        dst = NULL;
+                }
         }
-        return NULL;
+        return dst;
 }
 
 static void ip6_link_failure(struct sk_buff *skb)
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b1eea811be48..5abae10cd884 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -28,6 +28,7 @@
 #include <linux/netdevice.h>
 #include <linux/if_arp.h>
 #include <linux/icmp.h>
+#include <linux/slab.h>
 #include <asm/uaccess.h>
 #include <linux/init.h>
 #include <linux/netfilter_ipv4.h>
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index f841d93bf987..fa1d8f4e0051 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -9,6 +9,7 @@
 #include <linux/sysctl.h>
 #include <linux/in6.h>
 #include <linux/ipv6.h>
+#include <linux/slab.h>
 #include <net/ndisc.h>
 #include <net/ipv6.h>
 #include <net/addrconf.h>
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 6963a6b6763e..075f540ec197 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -38,6 +38,7 @@
 #include <linux/jhash.h>
 #include <linux/ipsec.h>
 #include <linux/times.h>
+#include <linux/slab.h>
 
 #include <linux/ipv6.h>
 #include <linux/icmpv6.h>
@@ -1014,7 +1015,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
         skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len);
 
         t1 = (struct tcphdr *) skb_push(buff, tot_len);
-        skb_reset_transport_header(skb);
+        skb_reset_transport_header(buff);
 
         /* Swap the send and the receive. */
         memset(t1, 0, sizeof(*t1));
@@ -1740,8 +1741,11 @@ process:
                         if (!tcp_prequeue(sk, skb))
                                 ret = tcp_v6_do_rcv(sk, skb);
                 }
-        } else
-                sk_add_backlog(sk, skb);
+        } else if (unlikely(sk_add_backlog(sk, skb))) {
+                bh_unlock_sock(sk);
+                NET_INC_STATS_BH(net, LINUX_MIB_TCPBACKLOGDROP);
+                goto discard_and_relse;
+        }
         bh_unlock_sock(sk);
 
         sock_put(sk);
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index e17bc1dfc1a4..fc3c86a47452 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -25,6 +25,7 @@
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/ipv6.h>
 #include <net/protocol.h>
 #include <net/xfrm.h>
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 52b8347ae3b2..90824852f598 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -34,6 +34,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <asm/uaccess.h>
 
 #include <net/ndisc.h>
@@ -258,8 +259,8 @@ static struct sock *__udp6_lib_lookup(struct net *net,
                         if (hslot->count < hslot2->count)
                                 goto begin;
 
-                        result = udp6_lib_lookup2(net, &in6addr_any, sport,
-                                                  daddr, hnum, dif,
+                        result = udp6_lib_lookup2(net, saddr, sport,
+                                                  &in6addr_any, hnum, dif,
                                                   hslot2, slot2);
                 }
                 rcu_read_unlock();
@@ -583,16 +584,20 @@ static void flush_stack(struct sock **stack, unsigned int count,
                         bh_lock_sock(sk);
                         if (!sock_owned_by_user(sk))
                                 udpv6_queue_rcv_skb(sk, skb1);
-                        else
-                                sk_add_backlog(sk, skb1);
+                        else if (sk_add_backlog(sk, skb1)) {
+                                kfree_skb(skb1);
+                                bh_unlock_sock(sk);
+                                goto drop;
+                        }
                         bh_unlock_sock(sk);
-                } else {
-                        atomic_inc(&sk->sk_drops);
-                        UDP6_INC_STATS_BH(sock_net(sk),
-                                        UDP_MIB_RCVBUFERRORS, IS_UDPLITE(sk));
-                        UDP6_INC_STATS_BH(sock_net(sk),
-                                        UDP_MIB_INERRORS, IS_UDPLITE(sk));
+                        continue;
                 }
+drop:
+                atomic_inc(&sk->sk_drops);
+                UDP6_INC_STATS_BH(sock_net(sk),
+                                UDP_MIB_RCVBUFERRORS, IS_UDPLITE(sk));
+                UDP6_INC_STATS_BH(sock_net(sk),
+                                UDP_MIB_INERRORS, IS_UDPLITE(sk));
         }
 }
 /*
@@ -754,8 +759,12 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
         bh_lock_sock(sk);
         if (!sock_owned_by_user(sk))
                 udpv6_queue_rcv_skb(sk, skb);
-        else
-                sk_add_backlog(sk, skb);
+        else if (sk_add_backlog(sk, skb)) {
+                atomic_inc(&sk->sk_drops);
+                bh_unlock_sock(sk);
+                sock_put(sk);
+                goto discard;
+        }
         bh_unlock_sock(sk);
         sock_put(sk);
         return 0;
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 3927832227b9..b809812c8d30 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -5,6 +5,7 @@
  * Copyright (c) 2004-2006 Herbert Xu <herbert@gondor.apana.org.au>
  */
 
+#include <linux/gfp.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index dbdc696f5fc5..00bf7c962b7e 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -116,14 +116,15 @@ static int xfrm6_init_path(struct xfrm_dst *path, struct dst_entry *dst,
         return 0;
 }
 
-static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
+static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
+                          struct flowi *fl)
 {
         struct rt6_info *rt = (struct rt6_info*)xdst->route;
 
         xdst->u.dst.dev = dev;
         dev_hold(dev);
 
-        xdst->u.rt6.rt6i_idev = in6_dev_get(rt->u.dst.dev);
+        xdst->u.rt6.rt6i_idev = in6_dev_get(dev);
         if (!xdst->u.rt6.rt6i_idev)
                 return -ENODEV;
 
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index fa85a7d22dc4..2ce3a8278f26 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -23,6 +23,7 @@
  */
 #include <linux/module.h>
 #include <linux/xfrm.h>
+#include <linux/slab.h>
 #include <linux/rculist.h>
 #include <net/ip.h>
 #include <net/xfrm.h>
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index f9759b54a6de..da3d21c41d90 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -40,6 +40,7 @@
 #include <linux/net.h>
 #include <linux/netdevice.h>
 #include <linux/uio.h>
+#include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/smp_lock.h>
 #include <linux/socket.h>
diff --git a/net/ipx/ipx_route.c b/net/ipx/ipx_route.c
index e16c11423527..30f4519b092f 100644
--- a/net/ipx/ipx_route.c
+++ b/net/ipx/ipx_route.c
@@ -9,6 +9,7 @@
 
 #include <linux/list.h>
 #include <linux/route.h>
+#include <linux/slab.h>
 #include <linux/spinlock.h>
 
 #include <net/ipx.h>
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 10093aab6173..2a4efcea3423 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -48,6 +48,7 @@
 #include <linux/smp_lock.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/net.h>
 #include <linux/irda.h>
diff --git a/net/irda/discovery.c b/net/irda/discovery.c
index a6f99b5a1499..c1c8ae939126 100644
--- a/net/irda/discovery.c
+++ b/net/irda/discovery.c
@@ -34,6 +34,7 @@
 #include <linux/socket.h>
 #include <linux/fs.h>
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 
 #include <net/irda/irda.h>
 #include <net/irda/irlmp.h>
diff --git a/net/irda/ircomm/ircomm_core.c b/net/irda/ircomm/ircomm_core.c
index 018c92941aba..e97082017f4f 100644
--- a/net/irda/ircomm/ircomm_core.c
+++ b/net/irda/ircomm/ircomm_core.c
@@ -33,6 +33,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 
 #include <net/irda/irda.h>
 #include <net/irda/irmod.h>
diff --git a/net/irda/ircomm/ircomm_lmp.c b/net/irda/ircomm/ircomm_lmp.c
index 7ba96618660e..08fb54dc8c41 100644
--- a/net/irda/ircomm/ircomm_lmp.c
+++ b/net/irda/ircomm/ircomm_lmp.c
@@ -31,6 +31,7 @@
  ********************************************************************/
 
 #include <linux/init.h>
+#include <linux/gfp.h>
 
 #include <net/irda/irda.h>
 #include <net/irda/irlmp.h>
diff --git a/net/irda/ircomm/ircomm_param.c b/net/irda/ircomm/ircomm_param.c
index d57aefd9fe77..e2e893b474e9 100644
--- a/net/irda/ircomm/ircomm_param.c
+++ b/net/irda/ircomm/ircomm_param.c
@@ -28,6 +28,7 @@
  *
  ********************************************************************/
 
+#include <linux/gfp.h>
 #include <linux/workqueue.h>
 #include <linux/interrupt.h>
 
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
index 8b85d774e47f..faa82ca2dfdc 100644
--- a/net/irda/ircomm/ircomm_tty.c
+++ b/net/irda/ircomm/ircomm_tty.c
@@ -33,6 +33,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/fs.h>
+#include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/seq_file.h>
 #include <linux/termios.h>
diff --git a/net/irda/irda_device.c b/net/irda/irda_device.c
index bf92e1473447..25cc2e695158 100644
--- a/net/irda/irda_device.c
+++ b/net/irda/irda_device.c
@@ -41,6 +41,7 @@
 #include <linux/tty.h>
 #include <linux/kmod.h>
 #include <linux/spinlock.h>
+#include <linux/slab.h>
 
 #include <asm/ioctls.h>
 #include <asm/uaccess.h>
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
index 294e34d3517c..79a1e5a23e10 100644
--- a/net/irda/iriap.c
+++ b/net/irda/iriap.c
@@ -31,6 +31,7 @@
 #include <linux/string.h>
 #include <linux/init.h>
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 
 #include <asm/byteorder.h>
 #include <asm/unaligned.h>
diff --git a/net/irda/iriap_event.c b/net/irda/iriap_event.c
index a301cbd93785..703774e29e32 100644
--- a/net/irda/iriap_event.c
+++ b/net/irda/iriap_event.c
@@ -24,6 +24,8 @@
  *
  ********************************************************************/
 
+#include <linux/slab.h>
+
 #include <net/irda/irda.h>
 #include <net/irda/irlmp.h>
 #include <net/irda/iriap.h>
diff --git a/net/irda/irias_object.c b/net/irda/irias_object.c
index 99ebb96f1386..f07ed9fd5792 100644
--- a/net/irda/irias_object.c
+++ b/net/irda/irias_object.c
@@ -22,6 +22,7 @@
  *
  ********************************************************************/
 
+#include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/socket.h>
 #include <linux/module.h>
diff --git a/net/irda/irlan/irlan_client.c b/net/irda/irlan/irlan_client.c
index 42f7d960d055..7ed3af957935 100644
--- a/net/irda/irlan/irlan_client.c
+++ b/net/irda/irlan/irlan_client.c
@@ -28,6 +28,7 @@
 
 #include <linux/kernel.h>
 #include <linux/string.h>
+#include <linux/slab.h>
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/netdevice.h>
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
index e486dc89ea59..a788f9e9427d 100644
--- a/net/irda/irlan/irlan_common.c
+++ b/net/irda/irlan/irlan_common.c
@@ -27,6 +27,7 @@
 
 #include <linux/kernel.h>
 #include <linux/string.h>
+#include <linux/gfp.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/proc_fs.h>
diff --git a/net/irda/irlan/irlan_provider.c b/net/irda/irlan/irlan_provider.c
index 3f81f81b2dfa..5cf5e6c872bb 100644
--- a/net/irda/irlan/irlan_provider.c
+++ b/net/irda/irlan/irlan_provider.c
@@ -34,6 +34,7 @@
 #include <linux/init.h>
 #include <linux/random.h>
 #include <linux/bitops.h>
+#include <linux/slab.h>
 
 #include <asm/system.h>
 #include <asm/byteorder.h>
diff --git a/net/irda/irlap_event.c b/net/irda/irlap_event.c
index 94a9884d7146..d434c8880745 100644
--- a/net/irda/irlap_event.c
+++ b/net/irda/irlap_event.c
@@ -29,6 +29,7 @@
 #include <linux/kernel.h>
 #include <linux/delay.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 
 #include <net/irda/irda.h>
 #include <net/irda/irlap_event.h>
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 7af2e74deda8..688222cbf55b 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -29,6 +29,7 @@
 #include <linux/if_ether.h>
 #include <linux/netdevice.h>
 #include <linux/irda.h>
+#include <linux/slab.h>
 
 #include <net/pkt_sched.h>
 #include <net/sock.h>
diff --git a/net/irda/irnet/irnet_irda.c b/net/irda/irnet/irnet_irda.c
index b26dee784aba..df18ab4b6c5e 100644
--- a/net/irda/irnet/irnet_irda.c
+++ b/net/irda/irnet/irnet_irda.c
@@ -11,6 +11,7 @@
 #include "irnet_irda.h"         /* Private header */
 #include <linux/sched.h>
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 #include <asm/unaligned.h>
 
 /*
diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c
index 6b3602de359a..6a1a202710c5 100644
--- a/net/irda/irnet/irnet_ppp.c
+++ b/net/irda/irnet/irnet_ppp.c
@@ -14,6 +14,7 @@
  */
 
 #include <linux/sched.h>
+#include <linux/slab.h>
 #include <linux/smp_lock.h>
 #include "irnet_ppp.h"          /* Private header */
 /* Please put other headers in irnet.h - Thanks */
diff --git a/net/irda/irnetlink.c b/net/irda/irnetlink.c
index 69b5b75f5431..6c7c4b92e4f8 100644
--- a/net/irda/irnetlink.c
+++ b/net/irda/irnetlink.c
@@ -15,6 +15,7 @@
 
 #include <linux/socket.h>
 #include <linux/irda.h>
+#include <linux/gfp.h>
 #include <net/net_namespace.h>
 #include <net/sock.h>
 #include <net/irda/irda.h>
diff --git a/net/irda/irqueue.c b/net/irda/irqueue.c
index ba01938becb5..849aaf0dabb5 100644
--- a/net/irda/irqueue.c
+++ b/net/irda/irqueue.c
@@ -192,6 +192,7 @@
  * Jean II
  */
 #include <linux/module.h>
+#include <linux/slab.h>
 
 #include <net/irda/irda.h>
 #include <net/irda/irqueue.h>
diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 9cb79f95bf63..47db1d8a0d92 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -28,6 +28,7 @@
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 
 #include <asm/byteorder.h>
 #include <asm/unaligned.h>
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 368707882647..ba9a3fcc2fed 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -26,6 +26,7 @@
 #include <linux/in6.h>
 #include <linux/proc_fs.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
 #include <net/xfrm.h>
@@ -2129,10 +2130,9 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c
         int err;
 
         out_skb = pfkey_xfrm_policy2msg_prep(xp);
-        if (IS_ERR(out_skb)) {
-                err = PTR_ERR(out_skb);
-                goto out;
-        }
+        if (IS_ERR(out_skb))
+                return PTR_ERR(out_skb);
+
         err = pfkey_xfrm_policy2msg(out_skb, xp, dir);
         if (err < 0)
                 return err;
@@ -2148,7 +2148,6 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c
         out_hdr->sadb_msg_seq = c->seq;
         out_hdr->sadb_msg_pid = c->pid;
         pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp));
-out:
         return 0;
 
 }
diff --git a/net/lapb/lapb_iface.c b/net/lapb/lapb_iface.c
index bda96d18fd98..d5d8d555c410 100644
--- a/net/lapb/lapb_iface.c
+++ b/net/lapb/lapb_iface.c
@@ -29,6 +29,7 @@
 #include <linux/inet.h>
 #include <linux/if_arp.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
diff --git a/net/lapb/lapb_in.c b/net/lapb/lapb_in.c
index 6762e7c751eb..21904a002449 100644
--- a/net/lapb/lapb_in.c
+++ b/net/lapb/lapb_in.c
@@ -27,6 +27,7 @@
 #include <linux/inet.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
diff --git a/net/lapb/lapb_out.c b/net/lapb/lapb_out.c
index 339cc5f2684f..c75a79540f9f 100644
--- a/net/lapb/lapb_out.c
+++ b/net/lapb/lapb_out.c
@@ -25,6 +25,7 @@
 #include <linux/net.h>
 #include <linux/inet.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
diff --git a/net/lapb/lapb_subr.c b/net/lapb/lapb_subr.c
index b827f47ac133..43a2a7fb327b 100644
--- a/net/lapb/lapb_subr.c
+++ b/net/lapb/lapb_subr.c
@@ -24,6 +24,7 @@
 #include <linux/net.h>
 #include <linux/inet.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index e35d907fba2c..2db6a9f75913 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -25,6 +25,7 @@
 #include <linux/module.h>
 #include <linux/rtnetlink.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/llc.h>
 #include <net/llc_sap.h>
 #include <net/llc_pdu.h>
diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c
index 019c780512e8..ea225bd2672c 100644
--- a/net/llc/llc_c_ac.c
+++ b/net/llc/llc_c_ac.c
@@ -18,6 +18,7 @@
  * See the GNU General Public License for more details.
  */
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 #include <net/llc_conn.h>
 #include <net/llc_sap.h>
 #include <net/sock.h>
@@ -1437,7 +1438,7 @@ static void llc_process_tmr_ev(struct sock *sk, struct sk_buff *skb)
                         llc_conn_state_process(sk, skb);
                 else {
                         llc_set_backlog_type(skb, LLC_EVENT);
-                        sk_add_backlog(sk, skb);
+                        __sk_add_backlog(sk, skb);
                 }
         }
 }
diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c
index a8dde9b010da..ba137a6a224d 100644
--- a/net/llc/llc_conn.c
+++ b/net/llc/llc_conn.c
@@ -13,6 +13,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/llc_sap.h>
 #include <net/llc_conn.h>
 #include <net/sock.h>
@@ -827,7 +828,8 @@ void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb)
         else {
                 dprintk("%s: adding to backlog...\n", __func__);
                 llc_set_backlog_type(skb, LLC_PACKET);
-                sk_add_backlog(sk, skb);
+                if (sk_add_backlog(sk, skb))
+                        goto drop_unlock;
         }
 out:
         bh_unlock_sock(sk);
diff --git a/net/llc/llc_if.c b/net/llc/llc_if.c
index a89917130a7b..25c31c0a3fdb 100644
--- a/net/llc/llc_if.c
+++ b/net/llc/llc_if.c
@@ -11,6 +11,7 @@
  *
  * See the GNU General Public License for more details.
  */
+#include <linux/gfp.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c
index 57ad974e4d94..f99687439139 100644
--- a/net/llc/llc_input.c
+++ b/net/llc/llc_input.c
@@ -12,6 +12,7 @@
  * See the GNU General Public License for more details.
  */
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/llc.h>
 #include <net/llc_pdu.h>
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index ad6e6e1cf22f..a432f0ec051c 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -23,6 +23,7 @@
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <linux/llc.h>
+#include <linux/slab.h>
 
 static int llc_mac_header_len(unsigned short devtype)
 {
diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c
index 83da13339490..e4dae0244d76 100644
--- a/net/llc/llc_station.c
+++ b/net/llc/llc_station.c
@@ -13,6 +13,7 @@
  */
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <net/llc.h>
 #include <net/llc_sap.h>
 #include <net/llc_conn.h>
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index a978e666ed6f..f9516a27e233 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -14,6 +14,7 @@
  */
 
 #include <linux/ieee80211.h>
+#include <linux/slab.h>
 #include <net/mac80211.h>
 #include "ieee80211_i.h"
 #include "driver-ops.h"
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 5538e1b4a697..87782a4bb541 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -14,6 +14,7 @@
  */
 
 #include <linux/ieee80211.h>
+#include <linux/slab.h>
 #include <net/mac80211.h>
 #include "ieee80211_i.h"
 #include "driver-ops.h"
@@ -183,7 +184,6 @@ static void sta_addba_resp_timer_expired(unsigned long data)
                        HT_AGG_STATE_REQ_STOP_BA_MSK)) !=
                                                 HT_ADDBA_REQUESTED_MSK) {
                 spin_unlock_bh(&sta->lock);
-                *state = HT_AGG_STATE_IDLE;
 #ifdef CONFIG_MAC80211_HT_DEBUG
                 printk(KERN_DEBUG "timer expired on tid %d but we are not "
                                 "(or no longer) expecting addBA response there",
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index b7116ef84a3b..edc872e22c9b 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -9,6 +9,7 @@
 #include <linux/ieee80211.h>
 #include <linux/nl80211.h>
 #include <linux/rtnetlink.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <linux/rcupdate.h>
 #include <net/cfg80211.h>
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index d12e743cb4e1..97c9e46e859e 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/kobject.h>
+#include <linux/slab.h>
 #include "ieee80211_i.h"
 #include "key.h"
 #include "debugfs.h"
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 9affe2cd185f..83d4289d954b 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -13,6 +13,7 @@
 #include <linux/interrupt.h>
 #include <linux/netdevice.h>
 #include <linux/rtnetlink.h>
+#include <linux/slab.h>
 #include <linux/notifier.h>
 #include <net/mac80211.h>
 #include <net/cfg80211.h>
@@ -48,20 +49,24 @@ static ssize_t ieee80211_if_write(
         ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
 {
         u8 *buf;
-        ssize_t ret = -ENODEV;
+        ssize_t ret;
 
-        buf = kzalloc(count, GFP_KERNEL);
+        buf = kmalloc(count, GFP_KERNEL);
         if (!buf)
                 return -ENOMEM;
 
+        ret = -EFAULT;
         if (copy_from_user(buf, userbuf, count))
-                return -EFAULT;
+                goto freebuf;
 
+        ret = -ENODEV;
         rtnl_lock();
         if (sdata->dev->reg_state == NETREG_REGISTERED)
                 ret = (*write)(sdata, buf, count);
         rtnl_unlock();
 
+freebuf:
+        kfree(buf);
         return ret;
 }
 
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index f3e942486749..e2976da4e0d9 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -13,6 +13,7 @@
  */
 
 #include <linux/delay.h>
+#include <linux/slab.h>
 #include <linux/if_ether.h>
 #include <linux/skbuff.h>
 #include <linux/if_arp.h>
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 0793d7a8d743..e08fa8eda1b3 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -10,6 +10,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/if_arp.h>
 #include <linux/netdevice.h>
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 8160d9c5372e..e8f6e3b252d8 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -14,6 +14,7 @@
 #include <linux/list.h>
 #include <linux/rcupdate.h>
 #include <linux/rtnetlink.h>
+#include <linux/slab.h>
 #include <net/mac80211.h>
 #include "ieee80211_i.h"
 #include "driver-ops.h"
diff --git a/net/mac80211/led.c b/net/mac80211/led.c
index 162a643f16b6..063aad944246 100644
--- a/net/mac80211/led.c
+++ b/net/mac80211/led.c
@@ -8,6 +8,7 @@
 
 /* just for IFNAMSIZ */
 #include <linux/if.h>
+#include <linux/slab.h>
 #include "led.h"
 
 void ieee80211_led_rx(struct ieee80211_local *local)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 06c33b68d8e5..b887e484ae04 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -225,11 +225,11 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
                         switch (sdata->vif.type) {
                         case NL80211_IFTYPE_AP:
                                 sdata->vif.bss_conf.enable_beacon =
-                                        !!rcu_dereference(sdata->u.ap.beacon);
+                                        !!sdata->u.ap.beacon;
                                 break;
                         case NL80211_IFTYPE_ADHOC:
                                 sdata->vif.bss_conf.enable_beacon =
-                                        !!rcu_dereference(sdata->u.ibss.presp);
+                                        !!sdata->u.ibss.presp;
                                 break;
                         case NL80211_IFTYPE_MESH_POINT:
                                 sdata->vif.bss_conf.enable_beacon = true;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 61080c5fad50..859ee5f3d941 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -8,6 +8,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/slab.h>
 #include <asm/unaligned.h>
 #include "ieee80211_i.h"
 #include "mesh.h"
@@ -749,9 +750,6 @@ ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
 
         switch (fc & IEEE80211_FCTL_STYPE) {
         case IEEE80211_STYPE_ACTION:
-                if (skb->len < IEEE80211_MIN_ACTION_SIZE)
-                        return RX_DROP_MONITOR;
-                /* fall through */
         case IEEE80211_STYPE_PROBE_RESP:
         case IEEE80211_STYPE_BEACON:
                 skb_queue_tail(&ifmsh->skb_queue, skb);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index ce84237ebad3..fefc45c4b4e8 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -7,6 +7,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/slab.h>
 #include "mesh.h"
 
 #ifdef CONFIG_MAC80211_VERBOSE_MHWMP_DEBUG
@@ -391,7 +392,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
                                 if (SN_GT(mpath->sn, orig_sn) ||
                                     (mpath->sn == orig_sn &&
                                      action == MPATH_PREQ &&
-                                     new_metric > mpath->metric)) {
+                                     new_metric >= mpath->metric)) {
                                         process = false;
                                         fresh_info = false;
                                 }
@@ -611,7 +612,7 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
 
         mesh_path_sel_frame_tx(MPATH_PREP, flags, orig_addr,
                 cpu_to_le32(orig_sn), 0, target_addr,
-                cpu_to_le32(target_sn), mpath->next_hop->sta.addr, hopcount,
+                cpu_to_le32(target_sn), next_hop, hopcount,
                 ttl, cpu_to_le32(lifetime), cpu_to_le32(metric),
                 0, sdata);
         rcu_read_unlock();
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 2312efe04c62..181ffd6efd81 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -10,6 +10,7 @@
 #include <linux/etherdevice.h>
 #include <linux/list.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/string.h>
 #include <net/mac80211.h>
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index bc4e20e57ff5..7b7080e2b49f 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -6,6 +6,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
+#include <linux/gfp.h>
 #include <linux/kernel.h>
 #include <linux/random.h>
 #include "ieee80211_i.h"
@@ -744,7 +745,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
                 break;
         default:
                 /* should not get here, PLINK_BLOCKED is dealt with at the
-                 * beggining of the function
+                 * beginning of the function
                  */
                 spin_unlock_bh(&sta->lock);
                 break;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 41812a15eea0..4aefa6dc3091 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -19,6 +19,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/pm_qos_params.h>
 #include <linux/crc32.h>
+#include <linux/slab.h>
 #include <net/mac80211.h>
 #include <asm/unaligned.h>
 
@@ -167,6 +168,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
         ht_changed = conf_is_ht(&local->hw.conf) != enable_ht ||
                      channel_type != local->hw.conf.channel_type;
 
+        if (local->tmp_channel)
+                local->tmp_channel_type = channel_type;
         local->oper_channel_type = channel_type;
 
         if (ht_changed) {
@@ -177,7 +180,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
                 sta = sta_info_get(sdata, bssid);
                 if (sta)
                         rate_control_rate_update(local, sband, sta,
-                                                 IEEE80211_RC_HT_CHANGED);
+                                                 IEEE80211_RC_HT_CHANGED,
+                                                 local->oper_channel_type);
                 rcu_read_unlock();
         }
 
@@ -435,10 +439,12 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
                 if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
                         ieee80211_send_nullfunc(local, sdata, 1);
 
-                if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
-                        conf->flags |= IEEE80211_CONF_PS;
-                        ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
-                }
+                if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
+                    (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
+                        return;
+
+                conf->flags |= IEEE80211_CONF_PS;
+                ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
         }
 }
 
@@ -557,7 +563,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
             (!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)))
                 ieee80211_send_nullfunc(local, sdata, 1);
 
-        if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) ||
+        if (!((local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) &&
+              (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) ||
             (ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
                 ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
                 local->hw.conf.flags |= IEEE80211_CONF_PS;
@@ -1893,8 +1900,20 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 
         mutex_lock(&ifmgd->mtx);
         if (ifmgd->associated) {
-                mutex_unlock(&ifmgd->mtx);
-                return -EALREADY;
+                if (!req->prev_bssid ||
+                    memcmp(req->prev_bssid, ifmgd->associated->bssid,
+                           ETH_ALEN)) {
+                        /*
+                         * We are already associated and the request was not a
+                         * reassociation request from the current BSS, so
+                         * reject it.
+                         */
+                        mutex_unlock(&ifmgd->mtx);
+                        return -EALREADY;
+                }
+
+                /* Trying to reassociate - clear previous association state */
+                ieee80211_set_disassoc(sdata);
         }
         mutex_unlock(&ifmgd->mtx);
 
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 0b299d236fa1..6d0bd198af19 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -10,6 +10,7 @@
 
 #include <linux/kernel.h>
 #include <linux/rtnetlink.h>
+#include <linux/slab.h>
 #include "rate.h"
 #include "ieee80211_i.h"
 #include "debugfs.h"
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index b6108bca96d4..065a96190e32 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -66,7 +66,8 @@ static inline void rate_control_rate_init(struct sta_info *sta)
 
 static inline void rate_control_rate_update(struct ieee80211_local *local,
                                     struct ieee80211_supported_band *sband,
-                                    struct sta_info *sta, u32 changed)
+                                    struct sta_info *sta, u32 changed,
+                                    enum nl80211_channel_type oper_chan_type)
 {
         struct rate_control_ref *ref = local->rate_ctrl;
         struct ieee80211_sta *ista = &sta->sta;
@@ -74,7 +75,7 @@ static inline void rate_control_rate_update(struct ieee80211_local *local,
 
         if (ref && ref->ops->rate_update)
                 ref->ops->rate_update(ref->priv, sband, ista,
-                                      priv_sta, changed);
+                                      priv_sta, changed, oper_chan_type);
 }
 
 static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 6e5d68b4e427..818abfae9007 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -50,6 +50,7 @@
 #include <linux/debugfs.h>
 #include <linux/random.h>
 #include <linux/ieee80211.h>
+#include <linux/slab.h>
 #include <net/mac80211.h>
 #include "rate.h"
 #include "rc80211_minstrel.h"
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c
index a715d9454f64..0e1f12b1b6dd 100644
--- a/net/mac80211/rc80211_minstrel_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_debugfs.c
@@ -49,6 +49,7 @@
 #include <linux/skbuff.h>
 #include <linux/debugfs.h>
 #include <linux/ieee80211.h>
+#include <linux/slab.h>
 #include <net/mac80211.h>
 #include "rc80211_minstrel.h"
 
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 2652a374974e..aeda65466f3e 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -13,6 +13,7 @@
 #include <linux/types.h>
 #include <linux/skbuff.h>
 #include <linux/debugfs.h>
+#include <linux/slab.h>
 #include <net/mac80211.h>
 #include "rate.h"
 #include "mesh.h"
diff --git a/net/mac80211/rc80211_pid_debugfs.c b/net/mac80211/rc80211_pid_debugfs.c
index 45667054a5f3..47438b4a9af5 100644
--- a/net/mac80211/rc80211_pid_debugfs.c
+++ b/net/mac80211/rc80211_pid_debugfs.c
@@ -12,6 +12,7 @@
 #include <linux/netdevice.h>
 #include <linux/types.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 
 #include <net/mac80211.h>
 #include "rate.h"
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index b5c48de81d8b..04ea07f0e78a 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/jiffies.h>
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
@@ -1973,6 +1974,11 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
                         goto handled;
                 }
                 break;
+        case MESH_PLINK_CATEGORY:
+        case MESH_PATH_SEL_CATEGORY:
+                if (ieee80211_vif_is_mesh(&sdata->vif))
+                        return ieee80211_mesh_rx_mgmt(sdata, rx->skb);
+                break;
         }
 
         /*
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index b822dce97867..85507bd9e341 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -14,6 +14,7 @@
 
 #include <linux/if_arp.h>
 #include <linux/rtnetlink.h>
+#include <linux/slab.h>
 #include <net/mac80211.h>
 
 #include "ieee80211_i.h"
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 211c475f73c6..fb12cec4d333 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -93,12 +93,18 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
         struct ieee80211_local *local = sdata->local;
         struct sta_info *sta;
 
-        sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]);
+        sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
+                                    rcu_read_lock_held() ||
+                                    lockdep_is_held(&local->sta_lock) ||
+                                    lockdep_is_held(&local->sta_mtx));
         while (sta) {
                 if (sta->sdata == sdata &&
                     memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
                         break;
-                sta = rcu_dereference(sta->hnext);
+                sta = rcu_dereference_check(sta->hnext,
+                                            rcu_read_lock_held() ||
+                                            lockdep_is_held(&local->sta_lock) ||
+                                            lockdep_is_held(&local->sta_mtx));
         }
         return sta;
 }
@@ -113,13 +119,19 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
         struct ieee80211_local *local = sdata->local;
         struct sta_info *sta;
 
-        sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]);
+        sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
+                                    rcu_read_lock_held() ||
+                                    lockdep_is_held(&local->sta_lock) ||
+                                    lockdep_is_held(&local->sta_mtx));
         while (sta) {
                 if ((sta->sdata == sdata ||
                      sta->sdata->bss == sdata->bss) &&
                     memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
                         break;
-                sta = rcu_dereference(sta->hnext);
+                sta = rcu_dereference_check(sta->hnext,
+                                            rcu_read_lock_held() ||
+                                            lockdep_is_held(&local->sta_lock) ||
+                                            lockdep_is_held(&local->sta_mtx));
         }
         return sta;
 }
@@ -434,6 +446,7 @@ int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU)
         /* check if STA exists already */
         if (sta_info_get_bss(sdata, sta->sta.addr)) {
                 spin_unlock_irqrestore(&local->sta_lock, flags);
+                mutex_unlock(&local->sta_mtx);
                 rcu_read_lock();
                 err = -EEXIST;
                 goto out_free;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index cbe53ed4fb0b..cfc473e1b050 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1991,6 +1991,7 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local,
 void ieee80211_tx_pending(unsigned long data)
 {
         struct ieee80211_local *local = (struct ieee80211_local *)data;
+        struct ieee80211_sub_if_data *sdata;
         unsigned long flags;
         int i;
         bool txok;
@@ -2029,6 +2030,11 @@ void ieee80211_tx_pending(unsigned long data)
                         if (!txok)
                                 break;
                 }
+
+                if (skb_queue_empty(&local->pending[i]))
+                        list_for_each_entry_rcu(sdata, &local->interfaces, list)
+                                netif_tx_wake_queue(
+                                        netdev_get_tx_queue(sdata->dev, i));
         }
         spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
 
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index c453226f06b2..53af57047435 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -279,13 +279,13 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
                 /* someone still has this queue stopped */
                 return;
 
-        if (!skb_queue_empty(&local->pending[queue]))
+        if (skb_queue_empty(&local->pending[queue])) {
+                rcu_read_lock();
+                list_for_each_entry_rcu(sdata, &local->interfaces, list)
+                        netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue));
+                rcu_read_unlock();
+        } else
                 tasklet_schedule(&local->tx_pending_tasklet);
-
-        rcu_read_lock();
-        list_for_each_entry_rcu(sdata, &local->interfaces, list)
-                netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue));
-        rcu_read_unlock();
 }
 
 void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
@@ -1097,9 +1097,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                  */
                 res = drv_start(local);
                 if (res) {
-                        WARN(local->suspended, "Harware became unavailable "
-                             "upon resume. This is could be a software issue"
-                             "prior to suspend or a hardware issue\n");
+                        WARN(local->suspended, "Hardware became unavailable "
+                             "upon resume. This could be a software issue "
+                             "prior to suspend or a hardware issue.\n");
                         return res;
                 }
 
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 5d745f2d7236..5f3a4113bda1 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -17,6 +17,7 @@
 #include <linux/err.h>
 #include <linux/mm.h>
 #include <linux/scatterlist.h>
+#include <linux/slab.h>
 #include <asm/unaligned.h>
 
 #include <net/mac80211.h>
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index 1e1ea3007b06..15e1ba931b87 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -19,6 +19,7 @@
 #include <linux/if_arp.h>
 #include <linux/etherdevice.h>
 #include <linux/crc32.h>
+#include <linux/slab.h>
 #include <net/mac80211.h>
 #include <asm/unaligned.h>
 
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index f4971cd45c64..0adbcc941ac9 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -9,10 +9,10 @@
 
 #include <linux/netdevice.h>
 #include <linux/types.h>
-#include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/compiler.h>
 #include <linux/ieee80211.h>
+#include <linux/gfp.h>
 #include <asm/unaligned.h>
 #include <net/mac80211.h>
 
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 60ec4e4badaa..78b505d33bfb 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -19,6 +19,7 @@
 #include <linux/inetdevice.h>
 #include <linux/proc_fs.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/sock.h>
 
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index 3c7e42735b60..1cb0e834f8ff 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -27,6 +27,7 @@
 #include <linux/in.h>
 #include <linux/ip.h>
 #include <linux/netfilter.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/protocol.h>
 #include <net/tcp.h>
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 60bb41a8d8d4..d8f7e8ef67b4 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -32,6 +32,7 @@
 #include <linux/module.h>
 #include <linux/vmalloc.h>
 #include <linux/proc_fs.h>              /* for proc_net_* */
+#include <linux/slab.h>
 #include <linux/seq_file.h>
 #include <linux/jhash.h>
 #include <linux/random.h>
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 44590887a92c..1cd6e3fd058b 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -33,6 +33,7 @@
 #include <linux/tcp.h>
 #include <linux/sctp.h>
 #include <linux/icmp.h>
+#include <linux/slab.h>
 
 #include <net/ip.h>
 #include <net/tcp.h>
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 7ee9c3426f44..36dc1d88c2fa 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -31,6 +31,7 @@
 #include <linux/workqueue.h>
 #include <linux/swap.h>
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv4.h>
diff --git a/net/netfilter/ipvs/ip_vs_dh.c b/net/netfilter/ipvs/ip_vs_dh.c
index fe3e18834b91..95fd0d14200b 100644
--- a/net/netfilter/ipvs/ip_vs_dh.c
+++ b/net/netfilter/ipvs/ip_vs_dh.c
@@ -39,6 +39,7 @@
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/ip.h>
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index 702b53ca937c..ff28801962e0 100644
--- a/net/netfilter/ipvs/ip_vs_est.c
+++ b/net/netfilter/ipvs/ip_vs_est.c
@@ -17,7 +17,6 @@
 
 #include <linux/kernel.h>
 #include <linux/jiffies.h>
-#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
 #include <linux/sysctl.h>
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index 73f38ea98f25..2c7f185dfae4 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -32,6 +32,7 @@
 #include <linux/in.h>
 #include <linux/ip.h>
 #include <linux/netfilter.h>
+#include <linux/gfp.h>
 #include <net/protocol.h>
 #include <net/tcp.h>
 #include <asm/unaligned.h>
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index 1b9370db2305..94a45213faa6 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -43,6 +43,7 @@
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/ip.h>
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index caa58fa1438a..535dc2b419d8 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -46,6 +46,7 @@
 #include <linux/skbuff.h>
 #include <linux/jiffies.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 
 /* for sysctl */
 #include <linux/fs.h>
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index 0e584553819d..7fc49f4cf5ad 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -19,6 +19,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
+#include <linux/gfp.h>
 #include <linux/in.h>
 #include <linux/ip.h>
 #include <net/protocol.h>
diff --git a/net/netfilter/ipvs/ip_vs_sh.c b/net/netfilter/ipvs/ip_vs_sh.c
index 8e6cfd36e6f0..e6cc174fbc06 100644
--- a/net/netfilter/ipvs/ip_vs_sh.c
+++ b/net/netfilter/ipvs/ip_vs_sh.c
@@ -36,6 +36,7 @@
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/ip.h>
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
diff --git a/net/netfilter/ipvs/ip_vs_wrr.c b/net/netfilter/ipvs/ip_vs_wrr.c
index 3c115fc19784..30db633f88f1 100644
--- a/net/netfilter/ipvs/ip_vs_wrr.c
+++ b/net/netfilter/ipvs/ip_vs_wrr.c
@@ -23,6 +23,7 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/net.h>
 #include <linux/gcd.h>
 
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index 223b5018c7dc..e450cd6f4eb5 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -17,6 +17,7 @@
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/tcp.h>                  /* for tcphdr */
 #include <net/ip.h>
 #include <net/tcp.h>                    /* for csum_tcpudp_magic */
diff --git a/net/netfilter/nf_conntrack_acct.c b/net/netfilter/nf_conntrack_acct.c
index 018f90db511c..ab81b380eae6 100644
--- a/net/netfilter/nf_conntrack_acct.c
+++ b/net/netfilter/nf_conntrack_acct.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/netfilter.h>
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/moduleparam.h>
 
diff --git a/net/netfilter/nf_conntrack_amanda.c b/net/netfilter/nf_conntrack_amanda.c
index 07d9d8857e5d..372e80f07a81 100644
--- a/net/netfilter/nf_conntrack_amanda.c
+++ b/net/netfilter/nf_conntrack_amanda.c
@@ -16,6 +16,7 @@
 #include <linux/in.h>
 #include <linux/udp.h>
 #include <linux/netfilter.h>
+#include <linux/gfp.h>
 
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_expect.h>
diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c
index d5a9bcd7d61b..f516961a83b4 100644
--- a/net/netfilter/nf_conntrack_ecache.c
+++ b/net/netfilter/nf_conntrack_ecache.c
@@ -18,6 +18,7 @@
 #include <linux/percpu.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_core.h>
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index f0732aa18e4f..2ae3169e7633 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -13,6 +13,7 @@
 #include <linux/moduleparam.h>
 #include <linux/netfilter.h>
 #include <linux/ip.h>
+#include <linux/slab.h>
 #include <linux/ipv6.h>
 #include <linux/ctype.h>
 #include <linux/inet.h>
diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index a1c8dd917e12..a487c8038044 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -17,6 +17,7 @@
 #include <linux/inet.h>
 #include <linux/in.h>
 #include <linux/ip.h>
+#include <linux/slab.h>
 #include <linux/udp.h>
 #include <linux/tcp.h>
 #include <linux/skbuff.h>
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 4509fa6726f8..59e1a4cd4e8b 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -15,7 +15,6 @@
 #include <linux/skbuff.h>
 #include <linux/vmalloc.h>
 #include <linux/stddef.h>
-#include <linux/slab.h>
 #include <linux/random.h>
 #include <linux/err.h>
 #include <linux/kernel.h>
diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c
index 8bd98c84f77e..7673930ca342 100644
--- a/net/netfilter/nf_conntrack_irc.c
+++ b/net/netfilter/nf_conntrack_irc.c
@@ -15,6 +15,7 @@
 #include <linux/ip.h>
 #include <linux/tcp.h>
 #include <linux/netfilter.h>
+#include <linux/slab.h>
 
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_expect.h>
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 2b2af631d2b8..afc52f2ee4ac 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -27,6 +27,7 @@
 #include <linux/netlink.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/slab.h>
 
 #include <linux/netfilter.h>
 #include <net/netlink.h>
@@ -582,7 +583,9 @@ nla_put_failure:
 nlmsg_failure:
         kfree_skb(skb);
 errout:
-        nfnetlink_set_err(net, 0, group, -ENOBUFS);
+        if (nfnetlink_set_err(net, 0, group, -ENOBUFS) > 0)
+                return -ENOBUFS;
+
         return 0;
 }
 #endif /* CONFIG_NF_CONNTRACK_EVENTS */
diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c
index 1a4568bf7ea5..a44fa75b5178 100644
--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -12,6 +12,7 @@
 #include <linux/types.h>
 #include <linux/netfilter.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/skbuff.h>
 #include <linux/vmalloc.h>
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 9a2815549375..5292560d6d4a 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -15,6 +15,7 @@
 #include <linux/spinlock.h>
 #include <linux/skbuff.h>
 #include <linux/dccp.h>
+#include <linux/slab.h>
 
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index d899b1a69940..cf616e55ca41 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -31,6 +31,7 @@
 #include <linux/in.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/dst.h>
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
diff --git a/net/netfilter/nf_conntrack_sane.c b/net/netfilter/nf_conntrack_sane.c
index dcfecbb81c46..d9e27734b2a2 100644
--- a/net/netfilter/nf_conntrack_sane.c
+++ b/net/netfilter/nf_conntrack_sane.c
@@ -20,6 +20,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/netfilter.h>
+#include <linux/slab.h>
 #include <linux/in.h>
 #include <linux/tcp.h>
 #include <net/netfilter/nf_conntrack.h>
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 8dd75d90efc0..c6cd1b84eddd 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -284,7 +284,7 @@ EXPORT_SYMBOL_GPL(ct_sip_parse_request);
  * tabs, spaces and continuation lines, which are treated as a single whitespace
  * character.
  *
- * Some headers may appear multiple times. A comma seperated list of values is
+ * Some headers may appear multiple times. A comma separated list of values is
  * equivalent to multiple headers.
  */
 static const struct sip_header ct_sip_hdrs[] = {
@@ -421,7 +421,7 @@ int ct_sip_get_header(const struct nf_conn *ct, const char *dptr,
 }
 EXPORT_SYMBOL_GPL(ct_sip_get_header);
 
-/* Get next header field in a list of comma seperated values */
+/* Get next header field in a list of comma separated values */
 static int ct_sip_next_header(const struct nf_conn *ct, const char *dptr,
                               unsigned int dataoff, unsigned int datalen,
                               enum sip_header_types type,
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 24a42efe62ef..faa8eb3722b9 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -8,6 +8,7 @@
 
 #include <linux/types.h>
 #include <linux/netfilter.h>
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/proc_fs.h>
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index ba095fd014e5..c49ef219899e 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -1,4 +1,5 @@
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/proc_fs.h>
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 8eb0cc23ada3..6afa3d52ea5f 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -113,9 +113,9 @@ int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 pid,
 }
 EXPORT_SYMBOL_GPL(nfnetlink_send);
 
-void nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error)
+int nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error)
 {
-        netlink_set_err(net->nfnl, pid, group, error);
+        return netlink_set_err(net->nfnl, pid, group, error);
 }
 EXPORT_SYMBOL_GPL(nfnetlink_set_err);
 
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index d9b8fb8ab340..203643fb2c52 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -28,6 +28,7 @@
 #include <linux/list.h>
 #include <linux/jhash.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/netfilter/nf_log.h>
 #include <net/netfilter/nfnetlink_log.h>
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 7ba4abc405c9..e70a6ef1f4f2 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -18,6 +18,7 @@
 #include <linux/skbuff.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
+#include <linux/slab.h>
 #include <linux/notifier.h>
 #include <linux/netdevice.h>
 #include <linux/netfilter.h>
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 0a12cedfe9e3..665f5beef6ad 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -22,6 +22,7 @@
 #include <linux/vmalloc.h>
 #include <linux/mutex.h>
 #include <linux/mm.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 
 #include <linux/netfilter/x_tables.h>
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 61c50fa84703..ee18b231b950 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/gfp.h>
 #include <linux/skbuff.h>
 #include <linux/selinux.h>
 #include <linux/netfilter_ipv4/ip_tables.h>
diff --git a/net/netfilter/xt_LED.c b/net/netfilter/xt_LED.c
index 8ff7843bb921..3271c8e52153 100644
--- a/net/netfilter/xt_LED.c
+++ b/net/netfilter/xt_LED.c
@@ -22,6 +22,7 @@
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/netfilter/x_tables.h>
+#include <linux/slab.h>
 #include <linux/leds.h>
 #include <linux/mutex.h>
 
diff --git a/net/netfilter/xt_RATEEST.c b/net/netfilter/xt_RATEEST.c
index 87ae97e5516f..d16d55df4f61 100644
--- a/net/netfilter/xt_RATEEST.c
+++ b/net/netfilter/xt_RATEEST.c
@@ -11,6 +11,7 @@
 #include <linux/jhash.h>
 #include <linux/rtnetlink.h>
 #include <linux/random.h>
+#include <linux/slab.h>
 #include <net/gen_stats.h>
 #include <net/netlink.h>
 
diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c
index 0e357ac9a2a8..c5f4b9919e9a 100644
--- a/net/netfilter/xt_TCPMSS.c
+++ b/net/netfilter/xt_TCPMSS.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/ip.h>
+#include <linux/gfp.h>
 #include <linux/ipv6.h>
 #include <linux/tcp.h>
 #include <net/dst.h>
diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c
index 26997ce90e48..388ca4596098 100644
--- a/net/netfilter/xt_connlimit.c
+++ b/net/netfilter/xt_connlimit.c
@@ -17,6 +17,7 @@
 #include <linux/ip.h>
 #include <linux/ipv6.h>
 #include <linux/jhash.h>
+#include <linux/slab.h>
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/random.h>
diff --git a/net/netfilter/xt_dccp.c b/net/netfilter/xt_dccp.c
index 0989f29ade2e..395af5943ffd 100644
--- a/net/netfilter/xt_dccp.c
+++ b/net/netfilter/xt_dccp.c
@@ -10,6 +10,7 @@
 
 #include <linux/module.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <net/ip.h>
 #include <linux/dccp.h>
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index d952806b6469..215a64835de8 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -1,6 +1,6 @@
 /*
  *      xt_hashlimit - Netfilter module to limit the number of packets per time
- *      seperately for each hashbucket (sourceip/sourceport/dstip/dstport)
+ *      separately for each hashbucket (sourceip/sourceport/dstip/dstport)
  *
  *      (C) 2003-2004 by Harald Welte <laforge@netfilter.org>
  *      Copyright © CC Computer Consultants GmbH, 2007 - 2008
@@ -493,6 +493,7 @@ static void hashlimit_ipv6_mask(__be32 *i, unsigned int p)
         case 64 ... 95:
                 i[2] = maskl(i[2], p - 64);
                 i[3] = 0;
+                break;
         case 96 ... 127:
                 i[3] = maskl(i[3], p - 96);
                 break;
@@ -879,7 +880,8 @@ static void dl_seq_stop(struct seq_file *s, void *v)
         struct xt_hashlimit_htable *htable = s->private;
         unsigned int *bucket = (unsigned int *)v;
 
-        kfree(bucket);
+        if (!IS_ERR(bucket))
+                kfree(bucket);
         spin_unlock_bh(&htable->lock);
 }
 
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index a0ca5339af41..e5d7e1ffb1a4 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -6,6 +6,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/spinlock.h>
diff --git a/net/netfilter/xt_quota.c b/net/netfilter/xt_quota.c
index 390b7d09fe51..2d5562498c43 100644
--- a/net/netfilter/xt_quota.c
+++ b/net/netfilter/xt_quota.c
@@ -4,6 +4,7 @@
  * Sam Johnston <samj@samj.net>
  */
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <linux/spinlock.h>
 
 #include <linux/netfilter/x_tables.h>
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 7073dbb8100c..834b736857cb 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -27,6 +27,7 @@
 #include <linux/bitops.h>
 #include <linux/skbuff.h>
 #include <linux/inet.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
 
@@ -267,7 +268,7 @@ recent_mt(const struct sk_buff *skb, const struct xt_match_param *par)
                 for (i = 0; i < e->nstamps; i++) {
                         if (info->seconds && time_after(time, e->stamps[i]))
                                 continue;
-                        if (info->hit_count && ++hits >= info->hit_count) {
+                        if (!info->hit_count || ++hits >= info->hit_count) {
                                 ret = !ret;
                                 break;
                         }
diff --git a/net/netfilter/xt_statistic.c b/net/netfilter/xt_statistic.c
index d8c0f8f1a78e..937ce0633e99 100644
--- a/net/netfilter/xt_statistic.c
+++ b/net/netfilter/xt_statistic.c
@@ -12,6 +12,7 @@
 #include <linux/spinlock.h>
 #include <linux/skbuff.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 
 #include <linux/netfilter/xt_statistic.h>
 #include <linux/netfilter/x_tables.h>
diff --git a/net/netfilter/xt_string.c b/net/netfilter/xt_string.c
index b4d774111311..96801ffd8af8 100644
--- a/net/netfilter/xt_string.c
+++ b/net/netfilter/xt_string.c
@@ -7,6 +7,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/gfp.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c
index e639298bc9c8..5f14c8462e30 100644
--- a/net/netlabel/netlabel_cipso_v4.c
+++ b/net/netlabel/netlabel_cipso_v4.c
@@ -33,6 +33,7 @@
 #include <linux/string.h>
 #include <linux/skbuff.h>
 #include <linux/audit.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c
index 0bfeaab88ef5..d37b7f80fa37 100644
--- a/net/netlabel/netlabel_domainhash.c
+++ b/net/netlabel/netlabel_domainhash.c
@@ -35,6 +35,7 @@
 #include <linux/spinlock.h>
 #include <linux/string.h>
 #include <linux/audit.h>
+#include <linux/slab.h>
 #include <net/netlabel.h>
 #include <net/cipso_ipv4.h>
 #include <asm/bug.h>
@@ -50,9 +51,12 @@ struct netlbl_domhsh_tbl {
 };
 
 /* Domain hash table */
-/* XXX - updates should be so rare that having one spinlock for the entire
- * hash table should be okay */
+/* updates should be so rare that having one spinlock for the entire hash table
+ * should be okay */
 static DEFINE_SPINLOCK(netlbl_domhsh_lock);
+#define netlbl_domhsh_rcu_deref(p) \
+        rcu_dereference_check(p, rcu_read_lock_held() || \
+                                 lockdep_is_held(&netlbl_domhsh_lock))
 static struct netlbl_domhsh_tbl *netlbl_domhsh = NULL;
 static struct netlbl_dom_map *netlbl_domhsh_def = NULL;
 
@@ -106,7 +110,8 @@ static void netlbl_domhsh_free_entry(struct rcu_head *entry)
  * Description:
  * This is the hashing function for the domain hash table, it returns the
  * correct bucket number for the domain.  The caller is responsibile for
- * calling the rcu_read_[un]lock() functions.
+ * ensuring that the hash table is protected with either a RCU read lock or the
+ * hash table lock.
  *
  */
 static u32 netlbl_domhsh_hash(const char *key)
@@ -120,7 +125,7 @@ static u32 netlbl_domhsh_hash(const char *key)
 
         for (iter = 0, val = 0, len = strlen(key); iter < len; iter++)
                 val = (val << 4 | (val >> (8 * sizeof(u32) - 4))) ^ key[iter];
-        return val & (rcu_dereference(netlbl_domhsh)->size - 1);
+        return val & (netlbl_domhsh_rcu_deref(netlbl_domhsh)->size - 1);
 }
 
 /**
@@ -130,7 +135,8 @@ static u32 netlbl_domhsh_hash(const char *key)
  * Description:
  * Searches the domain hash table and returns a pointer to the hash table
  * entry if found, otherwise NULL is returned.  The caller is responsibile for
- * the rcu hash table locks (i.e. the caller much call rcu_read_[un]lock()).
+ * ensuring that the hash table is protected with either a RCU read lock or the
+ * hash table lock.
  *
  */
 static struct netlbl_dom_map *netlbl_domhsh_search(const char *domain)
@@ -141,7 +147,7 @@ static struct netlbl_dom_map *netlbl_domhsh_search(const char *domain)
 
         if (domain != NULL) {
                 bkt = netlbl_domhsh_hash(domain);
-                bkt_list = &rcu_dereference(netlbl_domhsh)->tbl[bkt];
+                bkt_list = &netlbl_domhsh_rcu_deref(netlbl_domhsh)->tbl[bkt];
                 list_for_each_entry_rcu(iter, bkt_list, list)
                         if (iter->valid && strcmp(iter->domain, domain) == 0)
                                 return iter;
@@ -159,8 +165,8 @@ static struct netlbl_dom_map *netlbl_domhsh_search(const char *domain)
  * Searches the domain hash table and returns a pointer to the hash table
  * entry if an exact match is found, if an exact match is not present in the
  * hash table then the default entry is returned if valid otherwise NULL is
- * returned.  The caller is responsibile for the rcu hash table locks
- * (i.e. the caller much call rcu_read_[un]lock()).
+ * returned.  The caller is responsibile ensuring that the hash table is
+ * protected with either a RCU read lock or the hash table lock.
  *
  */
 static struct netlbl_dom_map *netlbl_domhsh_search_def(const char *domain)
@@ -169,7 +175,7 @@ static struct netlbl_dom_map *netlbl_domhsh_search_def(const char *domain)
 
         entry = netlbl_domhsh_search(domain);
         if (entry == NULL) {
-                entry = rcu_dereference(netlbl_domhsh_def);
+                entry = netlbl_domhsh_rcu_deref(netlbl_domhsh_def);
                 if (entry != NULL && !entry->valid)
                         entry = NULL;
         }
@@ -306,8 +312,11 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry,
         struct netlbl_af6list *tmp6;
 #endif /* IPv6 */
 
+        /* XXX - we can remove this RCU read lock as the spinlock protects the
+         *       entire function, but before we do we need to fixup the
+         *       netlbl_af[4,6]list RCU functions to do "the right thing" with
+         *       respect to rcu_dereference() when only a spinlock is held. */
         rcu_read_lock();
-
         spin_lock(&netlbl_domhsh_lock);
         if (entry->domain != NULL)
                 entry_old = netlbl_domhsh_search(entry->domain);
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 6ce00205f342..1b83e0009d8d 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -30,6 +30,7 @@
 
 #include <linux/init.h>
 #include <linux/types.h>
+#include <linux/slab.h>
 #include <linux/audit.h>
 #include <linux/in.h>
 #include <linux/in6.h>
diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c
index 8203623e65ad..998e85e895d0 100644
--- a/net/netlabel/netlabel_mgmt.c
+++ b/net/netlabel/netlabel_mgmt.c
@@ -34,6 +34,7 @@
 #include <linux/skbuff.h>
 #include <linux/in.h>
 #include <linux/in6.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 852d9d7976b9..a3d64aabe2f7 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -43,6 +43,7 @@
 #include <linux/notifier.h>
 #include <linux/netdevice.h>
 #include <linux/security.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/netlink.h>
 #include <net/genetlink.h>
@@ -114,6 +115,9 @@ struct netlbl_unlhsh_walk_arg {
 /* updates should be so rare that having one spinlock for the entire
  * hash table should be okay */
 static DEFINE_SPINLOCK(netlbl_unlhsh_lock);
+#define netlbl_unlhsh_rcu_deref(p) \
+        rcu_dereference_check(p, rcu_read_lock_held() || \
+                                 lockdep_is_held(&netlbl_unlhsh_lock))
 static struct netlbl_unlhsh_tbl *netlbl_unlhsh = NULL;
 static struct netlbl_unlhsh_iface *netlbl_unlhsh_def = NULL;
 
@@ -235,15 +239,13 @@ static void netlbl_unlhsh_free_iface(struct rcu_head *entry)
  * Description:
  * This is the hashing function for the unlabeled hash table, it returns the
  * bucket number for the given device/interface.  The caller is responsible for
- * calling the rcu_read_[un]lock() functions.
+ * ensuring that the hash table is protected with either a RCU read lock or
+ * the hash table lock.
  *
  */
 static u32 netlbl_unlhsh_hash(int ifindex)
 {
-        /* this is taken _almost_ directly from
-         * security/selinux/netif.c:sel_netif_hasfn() as they do pretty much
-         * the same thing */
-        return ifindex & (rcu_dereference(netlbl_unlhsh)->size - 1);
+        return ifindex & (netlbl_unlhsh_rcu_deref(netlbl_unlhsh)->size - 1);
 }
 
 /**
@@ -253,7 +255,8 @@ static u32 netlbl_unlhsh_hash(int ifindex)
  * Description:
  * Searches the unlabeled connection hash table and returns a pointer to the
  * interface entry which matches @ifindex, otherwise NULL is returned.  The
- * caller is responsible for calling the rcu_read_[un]lock() functions.
+ * caller is responsible for ensuring that the hash table is protected with
+ * either a RCU read lock or the hash table lock.
  *
  */
 static struct netlbl_unlhsh_iface *netlbl_unlhsh_search_iface(int ifindex)
@@ -263,7 +266,7 @@ static struct netlbl_unlhsh_iface *netlbl_unlhsh_search_iface(int ifindex)
         struct netlbl_unlhsh_iface *iter;
 
         bkt = netlbl_unlhsh_hash(ifindex);
-        bkt_list = &rcu_dereference(netlbl_unlhsh)->tbl[bkt];
+        bkt_list = &netlbl_unlhsh_rcu_deref(netlbl_unlhsh)->tbl[bkt];
         list_for_each_entry_rcu(iter, bkt_list, list)
                 if (iter->valid && iter->ifindex == ifindex)
                         return iter;
@@ -272,33 +275,6 @@ static struct netlbl_unlhsh_iface *netlbl_unlhsh_search_iface(int ifindex)
 }
 
 /**
- * netlbl_unlhsh_search_iface_def - Search for a matching interface entry
- * @ifindex: the network interface
- *
- * Description:
- * Searches the unlabeled connection hash table and returns a pointer to the
- * interface entry which matches @ifindex.  If an exact match can not be found
- * and there is a valid default entry, the default entry is returned, otherwise
- * NULL is returned.  The caller is responsible for calling the
- * rcu_read_[un]lock() functions.
- *
- */
-static struct netlbl_unlhsh_iface *netlbl_unlhsh_search_iface_def(int ifindex)
-{
-        struct netlbl_unlhsh_iface *entry;
-
-        entry = netlbl_unlhsh_search_iface(ifindex);
-        if (entry != NULL)
-                return entry;
-
-        entry = rcu_dereference(netlbl_unlhsh_def);
-        if (entry != NULL && entry->valid)
-                return entry;
-
-        return NULL;
-}
-
-/**
  * netlbl_unlhsh_add_addr4 - Add a new IPv4 address entry to the hash table
  * @iface: the associated interface entry
  * @addr: IPv4 address in network byte order
@@ -308,8 +284,7 @@ static struct netlbl_unlhsh_iface *netlbl_unlhsh_search_iface_def(int ifindex)
  * Description:
  * Add a new address entry into the unlabeled connection hash table using the
  * interface entry specified by @iface.  On success zero is returned, otherwise
- * a negative value is returned.  The caller is responsible for calling the
- * rcu_read_[un]lock() functions.
+ * a negative value is returned.
  *
  */
 static int netlbl_unlhsh_add_addr4(struct netlbl_unlhsh_iface *iface,
@@ -349,8 +324,7 @@ static int netlbl_unlhsh_add_addr4(struct netlbl_unlhsh_iface *iface,
  * Description:
  * Add a new address entry into the unlabeled connection hash table using the
  * interface entry specified by @iface.  On success zero is returned, otherwise
- * a negative value is returned.  The caller is responsible for calling the
- * rcu_read_[un]lock() functions.
+ * a negative value is returned.
  *
  */
 static int netlbl_unlhsh_add_addr6(struct netlbl_unlhsh_iface *iface,
@@ -391,8 +365,7 @@ static int netlbl_unlhsh_add_addr6(struct netlbl_unlhsh_iface *iface,
  * Description:
  * Add a new, empty, interface entry into the unlabeled connection hash table.
  * On success a pointer to the new interface entry is returned, on failure NULL
- * is returned.  The caller is responsible for calling the rcu_read_[un]lock()
- * functions.
+ * is returned.
  *
  */
 static struct netlbl_unlhsh_iface *netlbl_unlhsh_add_iface(int ifindex)
@@ -415,10 +388,10 @@ static struct netlbl_unlhsh_iface *netlbl_unlhsh_add_iface(int ifindex)
                 if (netlbl_unlhsh_search_iface(ifindex) != NULL)
                         goto add_iface_failure;
                 list_add_tail_rcu(&iface->list,
-                                  &rcu_dereference(netlbl_unlhsh)->tbl[bkt]);
+                             &netlbl_unlhsh_rcu_deref(netlbl_unlhsh)->tbl[bkt]);
         } else {
                 INIT_LIST_HEAD(&iface->list);
-                if (rcu_dereference(netlbl_unlhsh_def) != NULL)
+                if (netlbl_unlhsh_rcu_deref(netlbl_unlhsh_def) != NULL)
                         goto add_iface_failure;
                 rcu_assign_pointer(netlbl_unlhsh_def, iface);
         }
@@ -548,8 +521,7 @@ unlhsh_add_return:
  *
  * Description:
  * Remove an IP address entry from the unlabeled connection hash table.
- * Returns zero on success, negative values on failure.  The caller is
- * responsible for calling the rcu_read_[un]lock() functions.
+ * Returns zero on success, negative values on failure.
  *
  */
 static int netlbl_unlhsh_remove_addr4(struct net *net,
@@ -611,8 +583,7 @@ static int netlbl_unlhsh_remove_addr4(struct net *net,
  *
  * Description:
  * Remove an IP address entry from the unlabeled connection hash table.
- * Returns zero on success, negative values on failure.  The caller is
- * responsible for calling the rcu_read_[un]lock() functions.
+ * Returns zero on success, negative values on failure.
  *
  */
 static int netlbl_unlhsh_remove_addr6(struct net *net,
@@ -1547,8 +1518,10 @@ int netlbl_unlabel_getattr(const struct sk_buff *skb,
         struct netlbl_unlhsh_iface *iface;
 
         rcu_read_lock();
-        iface = netlbl_unlhsh_search_iface_def(skb->skb_iif);
+        iface = netlbl_unlhsh_search_iface(skb->skb_iif);
         if (iface == NULL)
+                iface = rcu_dereference(netlbl_unlhsh_def);
+        if (iface == NULL || !iface->valid)
                 goto unlabel_getattr_nolabel;
         switch (family) {
         case PF_INET: {
diff --git a/net/netlabel/netlabel_user.c b/net/netlabel/netlabel_user.c
index 68706b4e3bf8..a3fd75ac3fa5 100644
--- a/net/netlabel/netlabel_user.c
+++ b/net/netlabel/netlabel_user.c
@@ -35,6 +35,7 @@
 #include <linux/audit.h>
 #include <linux/tty.h>
 #include <linux/security.h>
+#include <linux/gfp.h>
 #include <net/sock.h>
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 320d0423a240..795424396aff 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -683,6 +683,9 @@ static int netlink_connect(struct socket *sock, struct sockaddr *addr,
         struct netlink_sock *nlk = nlk_sk(sk);
         struct sockaddr_nl *nladdr = (struct sockaddr_nl *)addr;
 
+        if (alen < sizeof(addr->sa_family))
+                return -EINVAL;
+
         if (addr->sa_family == AF_UNSPEC) {
                 sk->sk_state    = NETLINK_UNCONNECTED;
                 nlk->dst_pid    = 0;
@@ -1093,6 +1096,7 @@ static inline int do_one_set_err(struct sock *sk,
                                  struct netlink_set_err_data *p)
 {
         struct netlink_sock *nlk = nlk_sk(sk);
+        int ret = 0;
 
         if (sk == p->exclude_sk)
                 goto out;
@@ -1104,10 +1108,15 @@ static inline int do_one_set_err(struct sock *sk,
             !test_bit(p->group - 1, nlk->groups))
                 goto out;
 
+        if (p->code == ENOBUFS && nlk->flags & NETLINK_RECV_NO_ENOBUFS) {
+                ret = 1;
+                goto out;
+        }
+
         sk->sk_err = p->code;
         sk->sk_error_report(sk);
 out:
-        return 0;
+        return ret;
 }
 
 /**
@@ -1116,12 +1125,16 @@ out:
  * @pid: the PID of a process that we want to skip (if any)
  * @groups: the broadcast group that will notice the error
  * @code: error code, must be negative (as usual in kernelspace)
+ *
+ * This function returns the number of broadcast listeners that have set the
+ * NETLINK_RECV_NO_ENOBUFS socket option.
  */
-void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
+int netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
 {
         struct netlink_set_err_data info;
         struct hlist_node *node;
         struct sock *sk;
+        int ret = 0;
 
         info.exclude_sk = ssk;
         info.pid = pid;
@@ -1132,9 +1145,10 @@ void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
         read_lock(&nl_table_lock);
 
         sk_for_each_bound(sk, node, &nl_table[ssk->sk_protocol].mc_list)
-                do_one_set_err(sk, &info);
+                ret += do_one_set_err(sk, &info);
 
         read_unlock(&nl_table_lock);
+        return ret;
 }
 EXPORT_SYMBOL(netlink_set_err);
 
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index a4b6e148c5de..06438fa2b1e5 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -8,6 +8,7 @@
 
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/socket.h>
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index a249127020a5..fa07f044b599 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -15,6 +15,7 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/in.h>
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/timer.h>
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index 7aa11b01b2e2..64e6dde9749d 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -19,6 +19,7 @@
 #include <linux/fcntl.h>
 #include <linux/in.h>
 #include <linux/if_ether.h>     /* For the statistics structure. */
+#include <linux/slab.h>
 
 #include <asm/system.h>
 #include <asm/uaccess.h>
diff --git a/net/netrom/nr_in.c b/net/netrom/nr_in.c
index 68176483617f..6d4ef6d65b3d 100644
--- a/net/netrom/nr_in.c
+++ b/net/netrom/nr_in.c
@@ -16,6 +16,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/netrom/nr_loopback.c b/net/netrom/nr_loopback.c
index f324d5df4186..94d4e922af53 100644
--- a/net/netrom/nr_loopback.c
+++ b/net/netrom/nr_loopback.c
@@ -7,6 +7,7 @@
  * Copyright Tomi Manninen OH2BNS (oh2bns@sral.fi)
  */
 #include <linux/types.h>
+#include <linux/slab.h>
 #include <linux/socket.h>
 #include <linux/timer.h>
 #include <net/ax25.h>
diff --git a/net/netrom/nr_out.c b/net/netrom/nr_out.c
index e3e6c44e1890..607fddb4fdbb 100644
--- a/net/netrom/nr_out.c
+++ b/net/netrom/nr_out.c
@@ -16,6 +16,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 5cc648012f50..44059d0c8dd1 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -17,6 +17,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/netrom/nr_subr.c b/net/netrom/nr_subr.c
index 04e7d0d2fd8f..6a947ae50dbd 100644
--- a/net/netrom/nr_subr.c
+++ b/net/netrom/nr_subr.c
@@ -15,6 +15,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 031a5e6fb4aa..243946d4809d 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -60,6 +60,7 @@
 #include <linux/wireless.h>
 #include <linux/kernel.h>
 #include <linux/kmod.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/ip.h>
 #include <net/protocol.h>
@@ -1688,6 +1689,8 @@ static int packet_dev_mc(struct net_device *dev, struct packet_mclist *i,
 {
         switch (i->type) {
         case PACKET_MR_MULTICAST:
+                if (i->alen != dev->addr_len)
+                        return -EINVAL;
                 if (what > 0)
                         return dev_mc_add(dev, i->addr, i->alen, 0);
                 else
@@ -1700,6 +1703,8 @@ static int packet_dev_mc(struct net_device *dev, struct packet_mclist *i,
                 return dev_set_allmulti(dev, what);
                 break;
         case PACKET_MR_UNICAST:
+                if (i->alen != dev->addr_len)
+                        return -EINVAL;
                 if (what > 0)
                         return dev_unicast_add(dev, i->addr);
                 else
@@ -1734,7 +1739,7 @@ static int packet_mc_add(struct sock *sk, struct packet_mreq_max *mreq)
                 goto done;
 
         err = -EINVAL;
-        if (mreq->mr_alen != dev->addr_len)
+        if (mreq->mr_alen > dev->addr_len)
                 goto done;
 
         err = -ENOBUFS;
@@ -2164,8 +2169,6 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
         case SIOCGIFDSTADDR:
         case SIOCSIFDSTADDR:
         case SIOCSIFFLAGS:
-                if (!net_eq(sock_net(sk), &init_net))
-                        return -ENOIOCTLCMD;
                 return inet_dgram_ops.ioctl(sock, cmd, arg);
 #endif
 
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 526d0273991a..73aee7f2fcdc 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -25,6 +25,7 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <asm/unaligned.h>
 #include <net/sock.h>
 
diff --git a/net/phonet/datagram.c b/net/phonet/datagram.c
index 387197b579b1..1bd38db4fe1e 100644
--- a/net/phonet/datagram.c
+++ b/net/phonet/datagram.c
@@ -24,6 +24,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/socket.h>
 #include <asm/ioctls.h>
 #include <net/sock.h>
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 360cf377693e..e2a95762abd3 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -23,6 +23,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/socket.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index c597cc53a6fb..9b4ced6e0968 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -25,6 +25,7 @@
 
 #include <linux/kernel.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <linux/netdevice.h>
 #include <linux/phonet.h>
 #include <linux/proc_fs.h>
@@ -107,8 +108,7 @@ static void phonet_device_destroy(struct net_device *dev)
         if (pnd) {
                 u8 addr;
 
-                for (addr = find_first_bit(pnd->addrs, 64); addr < 64;
-                        addr = find_next_bit(pnd->addrs, 64, 1+addr))
+                for_each_set_bit(addr, pnd->addrs, 64)
                         phonet_address_notify(RTM_DELADDR, dev, addr);
                 kfree(pnd);
         }
diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index 2e6c7eb8e76a..58b3b1f991ed 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -26,6 +26,7 @@
 #include <linux/kernel.h>
 #include <linux/netlink.h>
 #include <linux/phonet.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/phonet/pn_dev.h>
 
@@ -141,8 +142,7 @@ static int getaddr_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
                         continue;
 
                 addr_idx = 0;
-                for (addr = find_first_bit(pnd->addrs, 64); addr < 64;
-                        addr = find_next_bit(pnd->addrs, 64, 1+addr)) {
+                for_each_set_bit(addr, pnd->addrs, 64) {
                         if (addr_idx++ < addr_start_idx)
                                 continue;
 
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 69c8b826a0ce..c785bfd0744f 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -23,6 +23,7 @@
  * 02110-1301 USA
  */
 
+#include <linux/gfp.h>
 #include <linux/kernel.h>
 #include <linux/net.h>
 #include <linux/poll.h>
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 853c52be781f..f81862baf4d0 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -33,6 +33,7 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
+#include <linux/gfp.h>
 #include <linux/in.h>
 #include <linux/poll.h>
 #include <net/sock.h>
diff --git a/net/rds/cong.c b/net/rds/cong.c
index 6d06cac2649c..f1da27ceb064 100644
--- a/net/rds/cong.c
+++ b/net/rds/cong.c
@@ -30,6 +30,7 @@
  * SOFTWARE.
  *
  */
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/rbtree.h>
 
diff --git a/net/rds/connection.c b/net/rds/connection.c
index 278f607ab603..7619b671ca28 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -32,6 +32,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <net/inet_hashtables.h>
 
 #include "rds.h"
diff --git a/net/rds/ib.c b/net/rds/ib.c
index 3b8992361042..8f2d6dd7700a 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -37,6 +37,7 @@
 #include <linux/inetdevice.h>
 #include <linux/if_arp.h>
 #include <linux/delay.h>
+#include <linux/slab.h>
 
 #include "rds.h"
 #include "ib.h"
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index 647cb8ffc39b..88d0856cb797 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -32,6 +32,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/in.h>
+#include <linux/slab.h>
 #include <linux/vmalloc.h>
 
 #include "rds.h"
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index 4b0da865a72c..059989fdb7d7 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 
 #include "rds.h"
 #include "rdma.h"
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 04dc0d3f3c95..c7dd11b835f0 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <rdma/rdma_cm.h>
diff --git a/net/rds/info.c b/net/rds/info.c
index 814a91a6f4a7..c45c4173a44d 100644
--- a/net/rds/info.c
+++ b/net/rds/info.c
@@ -32,6 +32,7 @@
  */
 #include <linux/percpu.h>
 #include <linux/seq_file.h>
+#include <linux/slab.h>
 #include <linux/proc_fs.h>
 
 #include "rds.h"
diff --git a/net/rds/iw.c b/net/rds/iw.c
index b28fa8525b24..c8f3d3525cb9 100644
--- a/net/rds/iw.c
+++ b/net/rds/iw.c
@@ -37,6 +37,7 @@
 #include <linux/inetdevice.h>
 #include <linux/if_arp.h>
 #include <linux/delay.h>
+#include <linux/slab.h>
 
 #include "rds.h"
 #include "iw.h"
diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index 394cf6b4d0aa..3e9460f935d8 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -32,6 +32,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/in.h>
+#include <linux/slab.h>
 #include <linux/vmalloc.h>
 
 #include "rds.h"
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 9eda11cca956..13dc1862d862 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 
 #include "rds.h"
 #include "rdma.h"
diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c
index 54af7d6b92da..da43ee840ca3 100644
--- a/net/rds/iw_recv.c
+++ b/net/rds/iw_recv.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
 #include <rdma/rdma_cm.h>
diff --git a/net/rds/loop.c b/net/rds/loop.c
index 4a61997f554d..0d7a159158b8 100644
--- a/net/rds/loop.c
+++ b/net/rds/loop.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/in.h>
 
 #include "rds.h"
diff --git a/net/rds/message.c b/net/rds/message.c
index 73e600ffd87f..9a1d67e001ba 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 
 #include "rds.h"
 #include "rdma.h"
diff --git a/net/rds/page.c b/net/rds/page.c
index 36790122dfd4..595a952d4b17 100644
--- a/net/rds/page.c
+++ b/net/rds/page.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/highmem.h>
+#include <linux/gfp.h>
 
 #include "rds.h"
 
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 4c64daa1f5d5..5ce9437cad67 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/pagemap.h>
+#include <linux/slab.h>
 #include <linux/rbtree.h>
 #include <linux/dma-mapping.h> /* for DMA_*_DEVICE */
 
diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index 9ece910ea394..7b155081b4dc 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -134,7 +134,7 @@ static int __init rds_rdma_listen_init(void)
                 ret = PTR_ERR(cm_id);
                 printk(KERN_ERR "RDS/RDMA: failed to setup listener, "
                        "rdma_create_id() returned %d\n", ret);
-                goto out;
+                return ret;
         }
 
         sin.sin_family = AF_INET,
diff --git a/net/rds/recv.c b/net/rds/recv.c
index b426d67f760c..e2a2b9344f7b 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <linux/in.h>
 
diff --git a/net/rds/send.c b/net/rds/send.c
index b2fccfc20769..f04b929ded92 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/gfp.h>
 #include <net/sock.h>
 #include <linux/in.h>
 #include <linux/list.h>
diff --git a/net/rds/tcp.c b/net/rds/tcp.c
index b5198aee45d3..babf4577ff7d 100644
--- a/net/rds/tcp.c
+++ b/net/rds/tcp.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/in.h>
 #include <net/tcp.h>
 
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 53cb1b54165d..975183fe6950 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/gfp.h>
 #include <linux/in.h>
 #include <net/tcp.h>
 
diff --git a/net/rds/tcp_recv.c b/net/rds/tcp_recv.c
index c00dafffbb5a..e08ec912d8b0 100644
--- a/net/rds/tcp_recv.c
+++ b/net/rds/tcp_recv.c
@@ -31,6 +31,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <net/tcp.h>
 
 #include "rds.h"
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index c218e07e5caf..a9fa86f65983 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -33,6 +33,7 @@
 #include <linux/wait.h>
 #include <linux/poll.h>
 #include <linux/fs.h>
+#include <linux/slab.h>
 
 #include "rfkill.h"
 
diff --git a/net/rfkill/input.c b/net/rfkill/input.c
index a7295ad5f9cb..3713d7ecab96 100644
--- a/net/rfkill/input.c
+++ b/net/rfkill/input.c
@@ -212,6 +212,9 @@ static void rfkill_event(struct input_handle *handle, unsigned int type,
                 case KEY_WIMAX:
                         rfkill_schedule_toggle(RFKILL_TYPE_WIMAX);
                         break;
+                case KEY_RFKILL:
+                        rfkill_schedule_toggle(RFKILL_TYPE_ALL);
+                        break;
                 }
         } else if (type == EV_SW && code == SW_RFKILL_ALL)
                 rfkill_schedule_evsw_rfkillall(data);
@@ -295,6 +298,11 @@ static const struct input_device_id rfkill_ids[] = {
                 .keybit = { [BIT_WORD(KEY_WIMAX)] = BIT_MASK(KEY_WIMAX) },
         },
         {
+                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
+                .evbit = { BIT_MASK(EV_KEY) },
+                .keybit = { [BIT_WORD(KEY_RFKILL)] = BIT_MASK(KEY_RFKILL) },
+        },
+        {
                 .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_SWBIT,
                 .evbit = { BIT(EV_SW) },
                 .swbit = { [BIT_WORD(SW_RFKILL_ALL)] = BIT_MASK(SW_RFKILL_ALL) },
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index e90b9b6c16ae..4fb711a035f4 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -18,6 +18,7 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/in.h>
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index 424b893d1450..178ff4f73c85 100644
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -19,6 +19,7 @@
 #include <linux/fcntl.h>
 #include <linux/in.h>
 #include <linux/if_ether.h>
+#include <linux/slab.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
diff --git a/net/rose/rose_link.c b/net/rose/rose_link.c
index 5ef5f6988a2e..a750a28e0221 100644
--- a/net/rose/rose_link.c
+++ b/net/rose/rose_link.c
@@ -16,6 +16,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/rose/rose_loopback.c b/net/rose/rose_loopback.c
index 968e8bac1b5d..ae4a9d99aec7 100644
--- a/net/rose/rose_loopback.c
+++ b/net/rose/rose_loopback.c
@@ -7,6 +7,7 @@
  * Copyright (C) Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk)
  */
 #include <linux/types.h>
+#include <linux/slab.h>
 #include <linux/socket.h>
 #include <linux/timer.h>
 #include <net/ax25.h>
diff --git a/net/rose/rose_out.c b/net/rose/rose_out.c
index 69820f93414b..4ebf33afbe47 100644
--- a/net/rose/rose_out.c
+++ b/net/rose/rose_out.c
@@ -15,6 +15,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/gfp.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 70a0b3b4b4d2..cbc244a128bd 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -16,6 +16,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c
index b05108f382da..1734abba26a2 100644
--- a/net/rose/rose_subr.c
+++ b/net/rose/rose_subr.c
@@ -15,6 +15,7 @@
 #include <linux/string.h>
 #include <linux/sockios.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 287b1415cee9..c060095b27ce 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -11,6 +11,7 @@
 
 #include <linux/module.h>
 #include <linux/net.h>
+#include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/poll.h>
 #include <linux/proc_fs.h>
diff --git a/net/rxrpc/ar-accept.c b/net/rxrpc/ar-accept.c
index 77228f28fa36..6d79310fcaae 100644
--- a/net/rxrpc/ar-accept.c
+++ b/net/rxrpc/ar-accept.c
@@ -17,6 +17,7 @@
 #include <linux/in.h>
 #include <linux/in6.h>
 #include <linux/icmp.h>
+#include <linux/gfp.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
 #include <net/ip.h>
@@ -88,6 +89,11 @@ static int rxrpc_accept_incoming_call(struct rxrpc_local *local,
 
         /* get a notification message to send to the server app */
         notification = alloc_skb(0, GFP_NOFS);
+        if (!notification) {
+                _debug("no memory");
+                ret = -ENOMEM;
+                goto error_nofree;
+        }
         rxrpc_new_skb(notification);
         notification->mark = RXRPC_SKB_MARK_NEW_CALL;
 
@@ -189,6 +195,7 @@ invalid_service:
         ret = -ECONNREFUSED;
 error:
         rxrpc_free_skb(notification);
+error_nofree:
         _leave(" = %d", ret);
         return ret;
 }
diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c
index b4a220977031..2714da167fb8 100644
--- a/net/rxrpc/ar-ack.c
+++ b/net/rxrpc/ar-ack.c
@@ -13,6 +13,7 @@
 #include <linux/circ_buf.h>
 #include <linux/net.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <linux/udp.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
diff --git a/net/rxrpc/ar-call.c b/net/rxrpc/ar-call.c
index bc0019f704fe..909d092de9f4 100644
--- a/net/rxrpc/ar-call.c
+++ b/net/rxrpc/ar-call.c
@@ -9,6 +9,7 @@
  * 2 of the License, or (at your option) any later version.
  */
 
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/circ_buf.h>
 #include <net/sock.h>
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
index 9f1ce841a0bb..4106ca95ec86 100644
--- a/net/rxrpc/ar-connection.c
+++ b/net/rxrpc/ar-connection.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/net.h>
 #include <linux/skbuff.h>
 #include <linux/crypto.h>
diff --git a/net/rxrpc/ar-input.c b/net/rxrpc/ar-input.c
index f98c8027e5c1..89315009bab1 100644
--- a/net/rxrpc/ar-input.c
+++ b/net/rxrpc/ar-input.c
@@ -17,6 +17,7 @@
 #include <linux/in.h>
 #include <linux/in6.h>
 #include <linux/icmp.h>
+#include <linux/gfp.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
 #include <net/ip.h>
diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c
index 74697b200496..5ee16f0353fe 100644
--- a/net/rxrpc/ar-key.c
+++ b/net/rxrpc/ar-key.c
@@ -18,6 +18,7 @@
 #include <linux/key-type.h>
 #include <linux/crypto.h>
 #include <linux/ctype.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
 #include <keys/rxrpc-type.h>
diff --git a/net/rxrpc/ar-local.c b/net/rxrpc/ar-local.c
index 807535ff29b5..87f7135d238b 100644
--- a/net/rxrpc/ar-local.c
+++ b/net/rxrpc/ar-local.c
@@ -12,6 +12,7 @@
 #include <linux/module.h>
 #include <linux/net.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
 #include "ar-internal.h"
diff --git a/net/rxrpc/ar-output.c b/net/rxrpc/ar-output.c
index cc9102c5b588..5f22e263eda7 100644
--- a/net/rxrpc/ar-output.c
+++ b/net/rxrpc/ar-output.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/net.h>
+#include <linux/gfp.h>
 #include <linux/skbuff.h>
 #include <linux/circ_buf.h>
 #include <net/sock.h>
diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c
index edc026c1eb76..f0f85b0123f7 100644
--- a/net/rxrpc/ar-peer.c
+++ b/net/rxrpc/ar-peer.c
@@ -16,6 +16,7 @@
 #include <linux/in.h>
 #include <linux/in6.h>
 #include <linux/icmp.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
 #include <net/ip.h>
diff --git a/net/rxrpc/ar-transport.c b/net/rxrpc/ar-transport.c
index 0936e1acc30e..5e0226fe587e 100644
--- a/net/rxrpc/ar-transport.c
+++ b/net/rxrpc/ar-transport.c
@@ -12,6 +12,7 @@
 #include <linux/module.h>
 #include <linux/net.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
 #include "ar-internal.h"
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index 713ac593e2e9..7635107726ce 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -16,6 +16,7 @@
 #include <linux/crypto.h>
 #include <linux/scatterlist.h>
 #include <linux/ctype.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/af_rxrpc.h>
 #include <keys/rxrpc-type.h>
diff --git a/net/sched/Kconfig b/net/sched/Kconfig
index 21f9c7678aa3..2f691fb180d1 100644
--- a/net/sched/Kconfig
+++ b/net/sched/Kconfig
@@ -328,13 +328,16 @@ config NET_CLS_FLOW
           module will be called cls_flow.
 
 config NET_CLS_CGROUP
-        bool "Control Group Classifier"
+        tristate "Control Group Classifier"
         select NET_CLS
         depends on CGROUPS
         ---help---
           Say Y here if you want to classify packets based on the control
           cgroup of their process.
 
+          To compile this code as a module, choose M here: the
+          module will be called cls_cgroup.
+
 config NET_EMATCH
         bool "Extended Matches"
         select NET_CLS
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 64f5e328cee9..d8e0171d9a4b 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -15,6 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/errno.h>
+#include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/init.h>
 #include <linux/kmod.h>
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 082c520b0def..da27a170b6b7 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -19,6 +19,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/netlink.h>
 #include <net/pkt_sched.h>
 #include <linux/tc_act/tc_ipt.h>
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index d329170243cb..c046682054eb 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -20,6 +20,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/gfp.h>
 #include <net/net_namespace.h>
 #include <net/netlink.h>
 #include <net/pkt_sched.h>
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 6b0359a500e6..b7dcfedc802e 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -17,6 +17,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/netlink.h>
 #include <net/pkt_sched.h>
 #include <linux/tc_act/tc_pedit.h>
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 723964c3ee4f..654f73dff7c1 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -18,6 +18,7 @@
 #include <linux/skbuff.h>
 #include <linux/rtnetlink.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/act_api.h>
 #include <net/netlink.h>
 
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index 8daa1ebc7413..622ca809c15c 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 3725d8fa29db..f082b27ff46d 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -24,6 +24,7 @@
 #include <linux/kmod.h>
 #include <linux/netlink.h>
 #include <linux/err.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/sock.h>
 #include <net/netlink.h>
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 4e2bda854119..efd4f95fd050 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index e4877ca6727c..221180384fd7 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/errno.h>
@@ -24,6 +25,25 @@ struct cgroup_cls_state
         u32 classid;
 };
 
+static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
+                                               struct cgroup *cgrp);
+static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp);
+static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp);
+
+struct cgroup_subsys net_cls_subsys = {
+        .name           = "net_cls",
+        .create         = cgrp_create,
+        .destroy        = cgrp_destroy,
+        .populate       = cgrp_populate,
+#ifdef CONFIG_NET_CLS_CGROUP
+        .subsys_id      = net_cls_subsys_id,
+#else
+#define net_cls_subsys_id net_cls_subsys.subsys_id
+#endif
+        .module         = THIS_MODULE,
+};
+
+
 static inline struct cgroup_cls_state *cgrp_cls_state(struct cgroup *cgrp)
 {
         return container_of(cgroup_subsys_state(cgrp, net_cls_subsys_id),
@@ -79,14 +99,6 @@ static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp)
         return cgroup_add_files(cgrp, ss, ss_files, ARRAY_SIZE(ss_files));
 }
 
-struct cgroup_subsys net_cls_subsys = {
-        .name           = "net_cls",
-        .create         = cgrp_create,
-        .destroy        = cgrp_destroy,
-        .populate       = cgrp_populate,
-        .subsys_id      = net_cls_subsys_id,
-};
-
 struct cls_cgroup_head
 {
         u32                     handle;
@@ -277,12 +289,19 @@ static struct tcf_proto_ops cls_cgroup_ops __read_mostly = {
 
 static int __init init_cgroup_cls(void)
 {
-        return register_tcf_proto_ops(&cls_cgroup_ops);
+        int ret = register_tcf_proto_ops(&cls_cgroup_ops);
+        if (ret)
+                return ret;
+        ret = cgroup_load_subsys(&net_cls_subsys);
+        if (ret)
+                unregister_tcf_proto_ops(&cls_cgroup_ops);
+        return ret;
 }
 
 static void __exit exit_cgroup_cls(void)
 {
         unregister_tcf_proto_ops(&cls_cgroup_ops);
+        cgroup_unload_subsys(&net_cls_subsys);
 }
 
 module_init(init_cgroup_cls);
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index e054c62857e1..6ed61b10e002 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -20,6 +20,7 @@
 #include <linux/ip.h>
 #include <linux/ipv6.h>
 #include <linux/if_vlan.h>
+#include <linux/slab.h>
 
 #include <net/pkt_cls.h>
 #include <net/ip.h>
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 6d6e87585fb1..93b0a7b6f9b4 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -19,6 +19,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index dd872d5383ef..694dcd85dec8 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index e806f2314b5e..20ef330bb918 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -9,6 +9,7 @@
 #include <linux/kernel.h>
 #include <linux/skbuff.h>
 #include <linux/errno.h>
+#include <linux/slab.h>
 #include <net/act_api.h>
 #include <net/netlink.h>
 #include <net/pkt_cls.h>
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 07372f60bee3..17c5dfc67320 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -31,6 +31,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index 24dce8b648a4..3bcac8aa333c 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -58,6 +58,7 @@
  *            only available if that subsystem is enabled in the kernel.
  */
 
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/net/sched/em_nbyte.c b/net/sched/em_nbyte.c
index 370a1b2ea317..1a4176aee6e5 100644
--- a/net/sched/em_nbyte.c
+++ b/net/sched/em_nbyte.c
@@ -9,6 +9,7 @@
  * Authors:     Thomas Graf <tgraf@suug.ch>
  */
 
+#include <linux/gfp.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/net/sched/em_text.c b/net/sched/em_text.c
index 853c5ead87fd..763253257411 100644
--- a/net/sched/em_text.c
+++ b/net/sched/em_text.c
@@ -9,6 +9,7 @@
  * Authors:     Thomas Graf <tgraf@suug.ch>
  */
 
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index aab59409728b..e782bdeedc58 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -82,6 +82,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 6cd491013b50..145268ca57cf 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -28,6 +28,7 @@
 #include <linux/list.h>
 #include <linux/hrtimer.h>
 #include <linux/lockdep.h>
+#include <linux/slab.h>
 
 #include <net/net_namespace.h>
 #include <net/sock.h>
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index ab82f145f689..fcbb86a486a2 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -3,6 +3,7 @@
 /* Written 1998-2000 by Werner Almesberger, EPFL ICA */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/string.h>
 #include <linux/errno.h>
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 3846d65bc03e..28c01ef5abc8 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index a65604f8f2b8..b74046a95397 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/netdevice.h>
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index d303daa45d49..63d41f86679c 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -5,6 +5,7 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/errno.h>
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c
index 4b0a6cc44c77..5948bafa8ce2 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 5173c1e1b19c..ff4dd53eeff0 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -24,6 +24,7 @@
 #include <linux/init.h>
 #include <linux/rcupdate.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <net/pkt_sched.h>
 
 /* Main transmission queue. */
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 40408d595c08..51dcc2aa5c92 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -18,6 +18,7 @@
  *  For all the glorious comments look at include/net/red.h
  */
 
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 508cf5f3a6d5..0b52b8de562c 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -36,6 +36,7 @@
 #include <linux/compiler.h>
 #include <linux/rbtree.h>
 #include <linux/workqueue.h>
+#include <linux/slab.h>
 #include <net/netlink.h>
 #include <net/pkt_sched.h>
 
diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c
index d1dea3d5dc92..b2aba3f5e6fa 100644
--- a/net/sched/sch_mq.c
+++ b/net/sched/sch_mq.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/types.h>
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/errno.h>
diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index 7db2c88ce585..c50876cd8704 100644
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -18,6 +18,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index d8b10e054627..4714ff162bbd 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -14,6 +14,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 93285cecb246..81672e0c1b25 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index cb21380c0605..c5a9ac566007 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -20,6 +20,7 @@
 #include <linux/ipv6.h>
 #include <linux/skbuff.h>
 #include <linux/jhash.h>
+#include <linux/slab.h>
 #include <net/ip.h>
 #include <net/netlink.h>
 #include <net/pkt_sched.h>
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index db69637069c4..3415b6ce1c0a 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/if_arp.h>
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index df5abbff63e2..99c93ee98ad9 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1194,8 +1194,10 @@ void sctp_assoc_update(struct sctp_association *asoc,
         /* Remove any peer addresses not present in the new association. */
         list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
                 trans = list_entry(pos, struct sctp_transport, transports);
-                if (!sctp_assoc_lookup_paddr(new, &trans->ipaddr))
-                        sctp_assoc_del_peer(asoc, &trans->ipaddr);
+                if (!sctp_assoc_lookup_paddr(new, &trans->ipaddr)) {
+                        sctp_assoc_rm_peer(asoc, trans);
+                        continue;
+                }
 
                 if (asoc->state >= SCTP_STATE_ESTABLISHED)
                         sctp_transport_reset(trans);
diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index 56935bbc1496..86366390038a 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -34,6 +34,7 @@
  * be incorporated into the next SCTP release.
  */
 
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/crypto.h>
 #include <linux/scatterlist.h>
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index bef133731683..faf71d179e46 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -43,6 +43,7 @@
  */
 
 #include <linux/types.h>
+#include <linux/slab.h>
 #include <linux/in.h>
 #include <net/sock.h>
 #include <net/ipv6.h>
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index 8e4320040f05..3eab6db59a37 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -42,6 +42,7 @@
 #include <linux/net.h>
 #include <linux/inet.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/sctp/sctp.h>
 #include <net/sctp/sm.h>
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 905fda582b92..7ec09ba03a1c 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -144,6 +144,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
         /* Use SCTP specific send buffer space queues.  */
         ep->sndbuf_policy = sctp_sndbuf_policy;
 
+        sk->sk_data_ready = sctp_data_ready;
         sk->sk_write_space = sctp_write_space;
         sock_set_flag(sk, SOCK_USE_WRITE_QUEUE);
 
diff --git a/net/sctp/input.c b/net/sctp/input.c
index c0c973e67add..2a570184e5a9 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -53,6 +53,7 @@
 #include <linux/socket.h>
 #include <linux/ip.h>
 #include <linux/time.h> /* For struct timeval */
+#include <linux/slab.h>
 #include <net/ip.h>
 #include <net/icmp.h>
 #include <net/snmp.h>
@@ -75,7 +76,7 @@ static struct sctp_association *__sctp_lookup_association(
                                         const union sctp_addr *peer,
                                         struct sctp_transport **pt);
 
-static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb);
+static int sctp_add_backlog(struct sock *sk, struct sk_buff *skb);
 
 
 /* Calculate the SCTP checksum of an SCTP packet.  */
@@ -265,8 +266,13 @@ int sctp_rcv(struct sk_buff *skb)
         }
 
         if (sock_owned_by_user(sk)) {
+                if (sctp_add_backlog(sk, skb)) {
+                        sctp_bh_unlock_sock(sk);
+                        sctp_chunk_free(chunk);
+                        skb = NULL; /* sctp_chunk_free already freed the skb */
+                        goto discard_release;
+                }
                 SCTP_INC_STATS_BH(SCTP_MIB_IN_PKT_BACKLOG);
-                sctp_add_backlog(sk, skb);
         } else {
                 SCTP_INC_STATS_BH(SCTP_MIB_IN_PKT_SOFTIRQ);
                 sctp_inq_push(&chunk->rcvr->inqueue, chunk);
@@ -336,8 +342,10 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
                 sctp_bh_lock_sock(sk);
 
                 if (sock_owned_by_user(sk)) {
-                        sk_add_backlog(sk, skb);
-                        backloged = 1;
+                        if (sk_add_backlog(sk, skb))
+                                sctp_chunk_free(chunk);
+                        else
+                                backloged = 1;
                 } else
                         sctp_inq_push(inqueue, chunk);
 
@@ -362,22 +370,27 @@ done:
         return 0;
 }
 
-static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb)
+static int sctp_add_backlog(struct sock *sk, struct sk_buff *skb)
 {
         struct sctp_chunk *chunk = SCTP_INPUT_CB(skb)->chunk;
         struct sctp_ep_common *rcvr = chunk->rcvr;
+        int ret;
 
-        /* Hold the assoc/ep while hanging on the backlog queue.
-         * This way, we know structures we need will not disappear from us
-         */
-        if (SCTP_EP_TYPE_ASSOCIATION == rcvr->type)
-                sctp_association_hold(sctp_assoc(rcvr));
-        else if (SCTP_EP_TYPE_SOCKET == rcvr->type)
-                sctp_endpoint_hold(sctp_ep(rcvr));
-        else
-                BUG();
+        ret = sk_add_backlog(sk, skb);
+        if (!ret) {
+                /* Hold the assoc/ep while hanging on the backlog queue.
+                 * This way, we know structures we need will not disappear
+                 * from us
+                 */
+                if (SCTP_EP_TYPE_ASSOCIATION == rcvr->type)
+                        sctp_association_hold(sctp_assoc(rcvr));
+                else if (SCTP_EP_TYPE_SOCKET == rcvr->type)
+                        sctp_endpoint_hold(sctp_ep(rcvr));
+                else
+                        BUG();
+        }
+        return ret;
 
-        sk_add_backlog(sk, skb);
 }
 
 /* Handle icmp frag needed error. */
diff --git a/net/sctp/inqueue.c b/net/sctp/inqueue.c
index bbf5dd2a97c4..ccb6dc48d15b 100644
--- a/net/sctp/inqueue.c
+++ b/net/sctp/inqueue.c
@@ -46,6 +46,7 @@
 #include <net/sctp/sctp.h>
 #include <net/sctp/sm.h>
 #include <linux/interrupt.h>
+#include <linux/slab.h>
 
 /* Initialize an SCTP inqueue.  */
 void sctp_inq_init(struct sctp_inq *queue)
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 1d7ac70ba39f..9fb5d37c37ad 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -58,6 +58,7 @@
 #include <linux/netdevice.h>
 #include <linux/init.h>
 #include <linux/ipsec.h>
+#include <linux/slab.h>
 
 #include <linux/ipv6.h>
 #include <linux/icmpv6.h>
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 7c5589363433..fad261d41ec2 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -48,6 +48,7 @@
 #include <linux/ip.h>
 #include <linux/ipv6.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/inet_ecn.h>
 #include <net/ip.h>
 #include <net/icmp.h>
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 229690f02a1d..abfc0b8dee74 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -50,6 +50,7 @@
 #include <linux/list.h>   /* For struct list_head */
 #include <linux/socket.h>
 #include <linux/ip.h>
+#include <linux/slab.h>
 #include <net/sock.h>     /* For skb_set_owner_w */
 
 #include <net/sctp/sctp.h>
diff --git a/net/sctp/primitive.c b/net/sctp/primitive.c
index 8cb4f060bce6..534c7eae9d15 100644
--- a/net/sctp/primitive.c
+++ b/net/sctp/primitive.c
@@ -50,6 +50,7 @@
 #include <linux/socket.h>
 #include <linux/ip.h>
 #include <linux/time.h> /* For struct timeval */
+#include <linux/gfp.h>
 #include <net/sock.h>
 #include <net/sctp/sctp.h>
 #include <net/sctp/sm.h>
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index e771690f6d5d..a56f98e82f92 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -54,6 +54,7 @@
 #include <linux/bootmem.h>
 #include <linux/highmem.h>
 #include <linux/swap.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/protocol.h>
 #include <net/ip.h>
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 9e732916b671..0fd5b4c88358 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -58,6 +58,7 @@
 #include <linux/inet.h>
 #include <linux/scatterlist.h>
 #include <linux/crypto.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 
 #include <linux/skbuff.h>
@@ -207,7 +208,8 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
         sp = sctp_sk(asoc->base.sk);
         num_types = sp->pf->supported_addrs(sp, types);
 
-        chunksize = sizeof(init) + addrs_len + SCTP_SAT_LEN(num_types);
+        chunksize = sizeof(init) + addrs_len;
+        chunksize += WORD_ROUND(SCTP_SAT_LEN(num_types));
         chunksize += sizeof(ecap_param);
 
         if (sctp_prsctp_enable)
@@ -237,14 +239,14 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
                 /* Add HMACS parameter length if any were defined */
                 auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs;
                 if (auth_hmacs->length)
-                        chunksize += ntohs(auth_hmacs->length);
+                        chunksize += WORD_ROUND(ntohs(auth_hmacs->length));
                 else
                         auth_hmacs = NULL;
 
                 /* Add CHUNKS parameter length */
                 auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks;
                 if (auth_chunks->length)
-                        chunksize += ntohs(auth_chunks->length);
+                        chunksize += WORD_ROUND(ntohs(auth_chunks->length));
                 else
                         auth_chunks = NULL;
 
@@ -254,7 +256,8 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 
         /* If we have any extensions to report, account for that */
         if (num_ext)
-                chunksize += sizeof(sctp_supported_ext_param_t) + num_ext;
+                chunksize += WORD_ROUND(sizeof(sctp_supported_ext_param_t) +
+                                        num_ext);
 
         /* RFC 2960 3.3.2 Initiation (INIT) (1)
          *
@@ -396,13 +399,13 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
 
                 auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs;
                 if (auth_hmacs->length)
-                        chunksize += ntohs(auth_hmacs->length);
+                        chunksize += WORD_ROUND(ntohs(auth_hmacs->length));
                 else
                         auth_hmacs = NULL;
 
                 auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks;
                 if (auth_chunks->length)
-                        chunksize += ntohs(auth_chunks->length);
+                        chunksize += WORD_ROUND(ntohs(auth_chunks->length));
                 else
                         auth_chunks = NULL;
 
@@ -411,7 +414,8 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
         }
 
         if (num_ext)
-                chunksize += sizeof(sctp_supported_ext_param_t) + num_ext;
+                chunksize += WORD_ROUND(sizeof(sctp_supported_ext_param_t) +
+                                        num_ext);
 
         /* Now allocate and fill out the chunk.  */
         retval = sctp_make_chunk(asoc, SCTP_CID_INIT_ACK, 0, chunksize);
@@ -3314,21 +3318,6 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
         sctp_chunk_free(asconf);
         asoc->addip_last_asconf = NULL;
 
-        /* Send the next asconf chunk from the addip chunk queue. */
-        if (!list_empty(&asoc->addip_chunk_list)) {
-                struct list_head *entry = asoc->addip_chunk_list.next;
-                asconf = list_entry(entry, struct sctp_chunk, list);
-
-                list_del_init(entry);
-
-                /* Hold the chunk until an ASCONF_ACK is received. */
-                sctp_chunk_hold(asconf);
-                if (sctp_primitive_ASCONF(asoc, asconf))
-                        sctp_chunk_free(asconf);
-                else
-                        asoc->addip_last_asconf = asconf;
-        }
-
         return retval;
 }
 
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 4e4ca65cd320..d5ae450b6f02 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -51,6 +51,7 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 #include <linux/ip.h>
+#include <linux/gfp.h>
 #include <net/sock.h>
 #include <net/sctp/sctp.h>
 #include <net/sctp/sm.h>
@@ -475,7 +476,7 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
          * used to provide an upper bound to this doubling operation.
          *
          * Special Case:  the first HB doesn't trigger exponential backoff.
-         * The first unacknowleged HB triggers it.  We do this with a flag
+         * The first unacknowledged HB triggers it.  We do this with a flag
          * that indicates that we have an outstanding HB.
          */
         if (!is_hb || transport->hb_sent) {
@@ -961,6 +962,29 @@ static int sctp_cmd_send_msg(struct sctp_association *asoc,
 }
 
 
+/* Sent the next ASCONF packet currently stored in the association.
+ * This happens after the ASCONF_ACK was succeffully processed.
+ */
+static void sctp_cmd_send_asconf(struct sctp_association *asoc)
+{
+        /* Send the next asconf chunk from the addip chunk
+         * queue.
+         */
+        if (!list_empty(&asoc->addip_chunk_list)) {
+                struct list_head *entry = asoc->addip_chunk_list.next;
+                struct sctp_chunk *asconf = list_entry(entry,
+                                                struct sctp_chunk, list);
+                list_del_init(entry);
+
+                /* Hold the chunk until an ASCONF_ACK is received. */
+                sctp_chunk_hold(asconf);
+                if (sctp_primitive_ASCONF(asoc, asconf))
+                        sctp_chunk_free(asconf);
+                else
+                        asoc->addip_last_asconf = asconf;
+        }
+}
+
 
 /* These three macros allow us to pull the debugging code out of the
  * main flow of sctp_do_sm() to keep attention focused on the real
@@ -1616,6 +1640,9 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
                         }
                         error = sctp_cmd_send_msg(asoc, cmd->obj.msg);
                         break;
+                case SCTP_CMD_SEND_NEXT_ASCONF:
+                        sctp_cmd_send_asconf(asoc);
+                        break;
                 default:
                         printk(KERN_WARNING "Impossible command: %u, %p\n",
                                cmd->verb, cmd->obj.ptr);
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 47bc20d3a85b..24b2cd555637 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -56,6 +56,7 @@
 #include <linux/ipv6.h>
 #include <linux/net.h>
 #include <linux/inet.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/inet_ecn.h>
 #include <linux/skbuff.h>
@@ -3675,8 +3676,14 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
                                 SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO));
 
                 if (!sctp_process_asconf_ack((struct sctp_association *)asoc,
-                                             asconf_ack))
+                                             asconf_ack)) {
+                        /* Successfully processed ASCONF_ACK.  We can
+                         * release the next asconf if we have one.
+                         */
+                        sctp_add_cmd_sf(commands, SCTP_CMD_SEND_NEXT_ASCONF,
+                                        SCTP_NULL());
                         return SCTP_DISPOSITION_CONSUME;
+                }
 
                 abort = sctp_make_abort(asoc, asconf_ack,
                                         sizeof(sctp_errhdr_t));
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index f6d1e59c4151..44a1ab03a3f0 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -67,6 +67,7 @@
 #include <linux/poll.h>
 #include <linux/init.h>
 #include <linux/crypto.h>
+#include <linux/slab.h>
 
 #include <net/ip.h>
 #include <net/icmp.h>
@@ -3718,9 +3719,12 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
         sp->hmac = NULL;
 
         SCTP_DBG_OBJCNT_INC(sock);
-        percpu_counter_inc(&sctp_sockets_allocated);
+
+        /* Set socket backlog limit. */
+        sk->sk_backlog.limit = sysctl_sctp_rmem[1];
 
         local_bh_disable();
+        percpu_counter_inc(&sctp_sockets_allocated);
         sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
         local_bh_enable();
 
@@ -3737,8 +3741,8 @@ SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
         /* Release our hold on the endpoint. */
         ep = sctp_sk(sk)->ep;
         sctp_endpoint_free(ep);
-        percpu_counter_dec(&sctp_sockets_allocated);
         local_bh_disable();
+        percpu_counter_dec(&sctp_sockets_allocated);
         sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
         local_bh_enable();
 }
@@ -6185,6 +6189,16 @@ do_nonblock:
         goto out;
 }
 
+void sctp_data_ready(struct sock *sk, int len)
+{
+        read_lock_bh(&sk->sk_callback_lock);
+        if (sk_has_sleeper(sk))
+                wake_up_interruptible_sync_poll(sk->sk_sleep, POLLIN |
+                                                POLLRDNORM | POLLRDBAND);
+        sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);
+        read_unlock_bh(&sk->sk_callback_lock);
+}
+
 /* If socket sndbuf has changed, wake up all per association waiters.  */
 void sctp_write_space(struct sock *sk)
 {
diff --git a/net/sctp/ssnmap.c b/net/sctp/ssnmap.c
index 737d330e5ffc..442ad4ed6315 100644
--- a/net/sctp/ssnmap.c
+++ b/net/sctp/ssnmap.c
@@ -37,6 +37,7 @@
  */
 
 #include <linux/types.h>
+#include <linux/slab.h>
 #include <net/sctp/sctp.h>
 #include <net/sctp/sm.h>
 
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index b827d21dbe54..be4d63d5a5cc 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -48,6 +48,7 @@
  * be incorporated into the next SCTP release.
  */
 
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/random.h>
 #include <net/sctp/sctp.h>
diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c
index 9bd64565021a..747d5412c463 100644
--- a/net/sctp/tsnmap.c
+++ b/net/sctp/tsnmap.c
@@ -42,6 +42,7 @@
  * be incorporated into the next SCTP release.
  */
 
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/bitmap.h>
 #include <net/sctp/sctp.h>
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index 8b3560fd876d..aa72e89c3ee1 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -43,6 +43,7 @@
  * be incorporated into the next SCTP release.
  */
 
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/skbuff.h>
 #include <net/sctp/structs.h>
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index 7b23803343cc..3a448536f0b6 100644
--- a/net/sctp/ulpqueue.c
+++ b/net/sctp/ulpqueue.c
@@ -41,6 +41,7 @@
  * be incorporated into the next SCTP release.
  */
 
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/skbuff.h>
 #include <net/sock.h>
diff --git a/net/socket.c b/net/socket.c
index 769c386bd428..5e8d0af3c0e7 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -87,6 +87,7 @@
 #include <linux/wireless.h>
 #include <linux/nsproxy.h>
 #include <linux/magic.h>
+#include <linux/slab.h>
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
@@ -2135,6 +2136,10 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
                         break;
                 ++datagrams;
 
+                /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
+                if (flags & MSG_WAITFORONE)
+                        flags |= MSG_DONTWAIT;
+
                 if (timeout) {
                         ktime_get_ts(timeout);
                         *timeout = timespec_sub(end_time, *timeout);
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index f845d9d72f73..1419d0cdbbac 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -18,6 +18,7 @@
 
 #include <net/ipv6.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/slab.h>
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index f394fc190a49..95afe79dd9d7 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -237,7 +237,7 @@ rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
         list_for_each_entry_safe(cred, next, &cred_unused, cr_lru) {
 
                 /* Enforce a 60 second garbage collection moratorium */
-                if (time_in_range_open(cred->cr_expire, expired, jiffies) &&
+                if (time_in_range(cred->cr_expire, expired, jiffies) &&
                     test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0)
                         continue;
 
diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c
index bf88bf8e9365..8f623b0f03dd 100644
--- a/net/sunrpc/auth_generic.c
+++ b/net/sunrpc/auth_generic.c
@@ -5,6 +5,7 @@
  */
 
 #include <linux/err.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/sched.h>
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 0cfccc2a0297..c389ccf6437d 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -1280,9 +1280,8 @@ alloc_enc_pages(struct rpc_rqst *rqstp)
         rqstp->rq_release_snd_buf = priv_release_snd_buf;
         return 0;
 out_free:
-        for (i--; i >= 0; i--) {
-                __free_page(rqstp->rq_enc_pages[i]);
-        }
+        rqstp->rq_enc_pages_num = i;
+        priv_release_snd_buf(rqstp);
 out:
         return -EAGAIN;
 }
diff --git a/net/sunrpc/auth_gss/gss_generic_token.c b/net/sunrpc/auth_gss/gss_generic_token.c
index c0ba39c4f5f2..310b78e99456 100644
--- a/net/sunrpc/auth_gss/gss_generic_token.c
+++ b/net/sunrpc/auth_gss/gss_generic_token.c
@@ -33,7 +33,6 @@
 
 #include <linux/types.h>
 #include <linux/module.h>
-#include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/sunrpc/sched.h>
 #include <linux/sunrpc/gss_asn1.h>
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index c93fca204558..e9b636176687 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -37,7 +37,6 @@
 #include <linux/err.h>
 #include <linux/types.h>
 #include <linux/mm.h>
-#include <linux/slab.h>
 #include <linux/scatterlist.h>
 #include <linux/crypto.h>
 #include <linux/highmem.h>
diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c
index b8f42ef7178e..88fe6e75ed7e 100644
--- a/net/sunrpc/auth_gss/gss_krb5_seal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_seal.c
@@ -59,7 +59,6 @@
  */
 
 #include <linux/types.h>
-#include <linux/slab.h>
 #include <linux/jiffies.h>
 #include <linux/sunrpc/gss_krb5.h>
 #include <linux/random.h>
diff --git a/net/sunrpc/auth_gss/gss_krb5_seqnum.c b/net/sunrpc/auth_gss/gss_krb5_seqnum.c
index 17562b4c35f6..6331cd6866ec 100644
--- a/net/sunrpc/auth_gss/gss_krb5_seqnum.c
+++ b/net/sunrpc/auth_gss/gss_krb5_seqnum.c
@@ -32,7 +32,6 @@
  */
 
 #include <linux/types.h>
-#include <linux/slab.h>
 #include <linux/sunrpc/gss_krb5.h>
 #include <linux/crypto.h>
 
diff --git a/net/sunrpc/auth_gss/gss_krb5_unseal.c b/net/sunrpc/auth_gss/gss_krb5_unseal.c
index 066ec73c84d6..ce6c247edad0 100644
--- a/net/sunrpc/auth_gss/gss_krb5_unseal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_unseal.c
@@ -58,7 +58,6 @@
  */
 
 #include <linux/types.h>
-#include <linux/slab.h>
 #include <linux/jiffies.h>
 #include <linux/sunrpc/gss_krb5.h>
 #include <linux/crypto.h>
diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c
index ae8e69b59c4c..a6e905637e03 100644
--- a/net/sunrpc/auth_gss/gss_krb5_wrap.c
+++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c
@@ -1,5 +1,4 @@
 #include <linux/types.h>
-#include <linux/slab.h>
 #include <linux/jiffies.h>
 #include <linux/sunrpc/gss_krb5.h>
 #include <linux/random.h>
diff --git a/net/sunrpc/auth_gss/gss_spkm3_seal.c b/net/sunrpc/auth_gss/gss_spkm3_seal.c
index c832712f8d55..5a3a65a0e2b4 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_seal.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_seal.c
@@ -34,7 +34,6 @@
  */
 
 #include <linux/types.h>
-#include <linux/slab.h>
 #include <linux/jiffies.h>
 #include <linux/sunrpc/gss_spkm3.h>
 #include <linux/random.h>
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index e34bc531fcb9..b81e790ef9f4 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -37,6 +37,7 @@
  *
  */
 
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/pagemap.h>
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c
index 46b2647c5bd2..aac2f8b4ee21 100644
--- a/net/sunrpc/auth_unix.c
+++ b/net/sunrpc/auth_unix.c
@@ -6,6 +6,7 @@
  * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
  */
 
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/module.h>
diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c
index 553621fb2c41..cf06af3b63c6 100644
--- a/net/sunrpc/backchannel_rqst.c
+++ b/net/sunrpc/backchannel_rqst.c
@@ -22,6 +22,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ******************************************************************************/
 
 #include <linux/tcp.h>
+#include <linux/slab.h>
 #include <linux/sunrpc/xprt.h>
 
 #ifdef RPC_DEBUG
diff --git a/net/sunrpc/bc_svc.c b/net/sunrpc/bc_svc.c
index 13f214f53120..f0c05d3311c1 100644
--- a/net/sunrpc/bc_svc.c
+++ b/net/sunrpc/bc_svc.c
@@ -37,21 +37,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define RPCDBG_FACILITY RPCDBG_SVCDSP
 
-void bc_release_request(struct rpc_task *task)
-{
-        struct rpc_rqst *req = task->tk_rqstp;
-
-        dprintk("RPC:       bc_release_request: task= %p\n", task);
-
-        /*
-         * Release this request only if it's a backchannel
-         * preallocated request
-         */
-        if (!bc_prealloc(req))
-                return;
-        xprt_free_bc_request(req);
-}
-
 /* Empty callback ops */
 static const struct rpc_call_ops nfs41_callback_ops = {
 };
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 154034b675bd..19c9983d5360 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -659,6 +659,7 @@ struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req,
         task = rpc_new_task(&task_setup_data);
         if (!task) {
                 xprt_free_bc_request(req);
+                task = ERR_PTR(-ENOMEM);
                 goto out;
         }
         task->tk_rqstp = req;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 8d63f8fd29b7..20e30c6f8355 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -587,6 +587,8 @@ static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent,
         struct dentry *dentry;
 
         dentry = __rpc_lookup_create(parent, name);
+        if (IS_ERR(dentry))
+                return dentry;
         if (dentry->d_inode == NULL)
                 return dentry;
         dput(dentry);
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 3e3772d8eb92..121105355f60 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -21,6 +21,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 #include <net/ipv6.h>
 
 #include <linux/sunrpc/clnt.h>
diff --git a/net/sunrpc/socklib.c b/net/sunrpc/socklib.c
index a661a3acb37e..10b4319ebbca 100644
--- a/net/sunrpc/socklib.c
+++ b/net/sunrpc/socklib.c
@@ -8,6 +8,7 @@
 
 #include <linux/compiler.h>
 #include <linux/netdevice.h>
+#include <linux/gfp.h>
 #include <linux/skbuff.h>
 #include <linux/types.h>
 #include <linux/pagemap.h>
diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c
index 1b4e6791ecf3..5785d2037f45 100644
--- a/net/sunrpc/stats.c
+++ b/net/sunrpc/stats.c
@@ -13,6 +13,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 
 #include <linux/init.h>
 #include <linux/kernel.h>
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 8420a4205b76..d9017d64597e 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -19,6 +19,7 @@
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/kthread.h>
+#include <linux/slab.h>
 
 #include <linux/sunrpc/types.h>
 #include <linux/sunrpc/xdr.h>
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 75f9aa2eb089..cbc084939dd8 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -9,6 +9,7 @@
 #include <linux/errno.h>
 #include <linux/freezer.h>
 #include <linux/kthread.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/svc_xprt.h>
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index afdcb0459a83..207311610988 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -10,6 +10,7 @@
 #include <linux/seq_file.h>
 #include <linux/hash.h>
 #include <linux/string.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/ipv6.h>
 #include <linux/kernel.h>
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 8bd690c48b69..2763fde88499 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -7,6 +7,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 469de292c23c..42f09ade0044 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -46,6 +46,7 @@
 
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/metrics.h>
+#include <linux/sunrpc/bc_xprt.h>
 
 #include "sunrpc.h"
 
@@ -1032,21 +1033,16 @@ void xprt_release(struct rpc_task *task)
         if (req->rq_release_snd_buf)
                 req->rq_release_snd_buf(req);
 
-        /*
-         * Early exit if this is a backchannel preallocated request.
-         * There is no need to have it added to the RPC slot list.
-         */
-        if (is_bc_request)
-                return;
-
-        memset(req, 0, sizeof(*req));   /* mark unused */
-
         dprintk("RPC: %5u release request %p\n", task->tk_pid, req);
+        if (likely(!is_bc_request)) {
+                memset(req, 0, sizeof(*req));   /* mark unused */
 
-        spin_lock(&xprt->reserve_lock);
-        list_add(&req->rq_list, &xprt->free);
-        rpc_wake_up_next(&xprt->backlog);
-        spin_unlock(&xprt->reserve_lock);
+                spin_lock(&xprt->reserve_lock);
+                list_add(&req->rq_list, &xprt->free);
+                rpc_wake_up_next(&xprt->backlog);
+                spin_unlock(&xprt->reserve_lock);
+        } else
+                xprt_free_bc_request(req);
 }
 
 /**
diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c
index 5b8a8ff93a25..d718b8fa9525 100644
--- a/net/sunrpc/xprtrdma/svc_rdma.c
+++ b/net/sunrpc/xprtrdma/svc_rdma.c
@@ -40,6 +40,7 @@
  */
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/sysctl.h>
 #include <linux/sunrpc/clnt.h>
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 3fa5751af0ec..edea15a54e51 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -43,6 +43,7 @@
 #include <linux/sunrpc/debug.h>
 #include <linux/sunrpc/rpc_rdma.h>
 #include <linux/sched.h>
+#include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <rdma/ib_verbs.h>
 #include <rdma/rdma_cm.h>
@@ -678,7 +679,10 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
         int ret;
 
         dprintk("svcrdma: Creating RDMA socket\n");
-
+        if (sa->sa_family != AF_INET) {
+                dprintk("svcrdma: Address family %d is not supported.\n", sa->sa_family);
+                return ERR_PTR(-EAFNOSUPPORT);
+        }
         cma_xprt = rdma_create_xprt(serv, 1);
         if (!cma_xprt)
                 return ERR_PTR(-ENOMEM);
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 7018eef1dcdd..187257b1d880 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -49,6 +49,7 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <linux/seq_file.h>
 
 #include "xprt_rdma.h"
@@ -160,16 +161,15 @@ xprt_rdma_format_addresses(struct rpc_xprt *xprt)
         (void)rpc_ntop(sap, buf, sizeof(buf));
         xprt->address_strings[RPC_DISPLAY_ADDR] = kstrdup(buf, GFP_KERNEL);
 
-        (void)snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
+        snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
         xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL);
 
         xprt->address_strings[RPC_DISPLAY_PROTO] = "rdma";
 
-        (void)snprintf(buf, sizeof(buf), "%02x%02x%02x%02x",
-                                NIPQUAD(sin->sin_addr.s_addr));
+        snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
         xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
 
-        (void)snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
+        snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
         xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL);
 
         /* netid */
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 2209aa87d899..27015c6d8eb5 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -48,6 +48,7 @@
  */
 
 #include <linux/pci.h>  /* for Tavor hack below */
+#include <linux/slab.h>
 
 #include "xprt_rdma.h"
 
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 712412982cee..9847c30b5001 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -297,12 +297,11 @@ static void xs_format_common_peer_addresses(struct rpc_xprt *xprt)
         switch (sap->sa_family) {
         case AF_INET:
                 sin = xs_addr_in(xprt);
-                (void)snprintf(buf, sizeof(buf), "%02x%02x%02x%02x",
-                                        NIPQUAD(sin->sin_addr.s_addr));
+                snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
                 break;
         case AF_INET6:
                 sin6 = xs_addr_in6(xprt);
-                (void)snprintf(buf, sizeof(buf), "%pi6", &sin6->sin6_addr);
+                snprintf(buf, sizeof(buf), "%pi6", &sin6->sin6_addr);
                 break;
         default:
                 BUG();
@@ -315,10 +314,10 @@ static void xs_format_common_peer_ports(struct rpc_xprt *xprt)
         struct sockaddr *sap = xs_addr(xprt);
         char buf[128];
 
-        (void)snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
+        snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
         xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL);
 
-        (void)snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
+        snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
         xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL);
 }
 
@@ -549,8 +548,6 @@ static int xs_udp_send_request(struct rpc_task *task)
                 /* Still some bytes left; set up for a retry later. */
                 status = -EAGAIN;
         }
-        if (!transport->sock)
-                goto out;
 
         switch (status) {
         case -ENOTSOCK:
@@ -570,7 +567,7 @@ static int xs_udp_send_request(struct rpc_task *task)
                  * prompts ECONNREFUSED. */
                 clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags);
         }
-out:
+
         return status;
 }
 
@@ -652,8 +649,6 @@ static int xs_tcp_send_request(struct rpc_task *task)
                 status = -EAGAIN;
                 break;
         }
-        if (!transport->sock)
-                goto out;
 
         switch (status) {
         case -ENOTSOCK:
@@ -673,7 +668,7 @@ static int xs_tcp_send_request(struct rpc_task *task)
         case -ENOTCONN:
                 clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags);
         }
-out:
+
         return status;
 }
 
@@ -2256,9 +2251,6 @@ static struct rpc_xprt_ops xs_tcp_ops = {
         .buf_free               = rpc_free,
         .send_request           = xs_tcp_send_request,
         .set_retrans_timeout    = xprt_set_retrans_timeout_def,
-#if defined(CONFIG_NFS_V4_1)
-        .release_request        = bc_release_request,
-#endif /* CONFIG_NFS_V4_1 */
         .close                  = xs_tcp_close,
         .destroy                = xs_destroy,
         .print_stats            = xs_tcp_print_stats,
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 327011fcc407..78091375ca12 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -45,10 +45,10 @@
 
 #define MAX_ADDR_STR 32
 
-static struct media *media_list = NULL;
+static struct media media_list[MAX_MEDIA];
 static u32 media_count = 0;
 
-struct bearer *tipc_bearers = NULL;
+struct bearer tipc_bearers[MAX_BEARERS];
 
 /**
  * media_name_valid - validate media name
@@ -108,9 +108,11 @@ int  tipc_register_media(u32 media_type,
         int res = -EINVAL;
 
         write_lock_bh(&tipc_net_lock);
-        if (!media_list)
-                goto exit;
 
+        if (tipc_mode != TIPC_NET_MODE) {
+                warn("Media <%s> rejected, not in networked mode yet\n", name);
+                goto exit;
+        }
         if (!media_name_valid(name)) {
                 warn("Media <%s> rejected, illegal name\n", name);
                 goto exit;
@@ -660,33 +662,10 @@ int tipc_disable_bearer(const char *name)
 
 
 
-int tipc_bearer_init(void)
-{
-        int res;
-
-        write_lock_bh(&tipc_net_lock);
-        tipc_bearers = kcalloc(MAX_BEARERS, sizeof(struct bearer), GFP_ATOMIC);
-        media_list = kcalloc(MAX_MEDIA, sizeof(struct media), GFP_ATOMIC);
-        if (tipc_bearers && media_list) {
-                res = 0;
-        } else {
-                kfree(tipc_bearers);
-                kfree(media_list);
-                tipc_bearers = NULL;
-                media_list = NULL;
-                res = -ENOMEM;
-        }
-        write_unlock_bh(&tipc_net_lock);
-        return res;
-}
-
 void tipc_bearer_stop(void)
 {
         u32 i;
 
-        if (!tipc_bearers)
-                return;
-
         for (i = 0; i < MAX_BEARERS; i++) {
                 if (tipc_bearers[i].active)
                         tipc_bearers[i].publ.blocked = 1;
@@ -695,10 +674,6 @@ void tipc_bearer_stop(void)
                 if (tipc_bearers[i].active)
                         bearer_disable(tipc_bearers[i].publ.name);
         }
-        kfree(tipc_bearers);
-        kfree(media_list);
-        tipc_bearers = NULL;
-        media_list = NULL;
         media_count = 0;
 }
 
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index ca5734892713..000228e93f9e 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -114,7 +114,7 @@ struct bearer_name {
 
 struct link;
 
-extern struct bearer *tipc_bearers;
+extern struct bearer tipc_bearers[];
 
 void tipc_media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a);
 struct sk_buff *tipc_media_get_names(void);
diff --git a/net/tipc/core.h b/net/tipc/core.h
index a881f92a8537..c58a1d16563a 100644
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -56,6 +56,7 @@
 #include <linux/netdevice.h>
 #include <linux/in.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <linux/vmalloc.h>
 
 /*
diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index 524ba5696d4d..6230d16020c4 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -38,6 +38,7 @@
 #include <net/tipc/tipc_bearer.h>
 #include <net/tipc/tipc_msg.h>
 #include <linux/netdevice.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 
 #define MAX_ETH_BEARERS         2
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 6f50f6423f63..1a7e4665af80 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1882,6 +1882,15 @@ void tipc_recv_msg(struct sk_buff *head, struct tipc_bearer *tb_ptr)
                              (msg_destnode(msg) != tipc_own_addr)))
                         goto cont;
 
+                /* Discard non-routeable messages destined for another node */
+
+                if (unlikely(!msg_isdata(msg) &&
+                             (msg_destnode(msg) != tipc_own_addr))) {
+                        if ((msg_user(msg) != CONN_MANAGER) &&
+                            (msg_user(msg) != MSG_FRAGMENTER))
+                                goto cont;
+                }
+
                 /* Locate unicast link endpoint that should handle message */
 
                 n_ptr = tipc_node_find(msg_prevnode(msg));
diff --git a/net/tipc/net.c b/net/tipc/net.c
index 7906608bf510..f25b1cdb64eb 100644
--- a/net/tipc/net.c
+++ b/net/tipc/net.c
@@ -116,7 +116,8 @@
 */
 
 DEFINE_RWLOCK(tipc_net_lock);
-struct network tipc_net = { NULL };
+struct _zone *tipc_zones[256] = { NULL, };
+struct network tipc_net = { tipc_zones };
 
 struct tipc_node *tipc_net_select_remote_node(u32 addr, u32 ref)
 {
@@ -158,28 +159,12 @@ void tipc_net_send_external_routes(u32 dest)
         }
 }
 
-static int net_init(void)
-{
-        memset(&tipc_net, 0, sizeof(tipc_net));
-        tipc_net.zones = kcalloc(tipc_max_zones + 1, sizeof(struct _zone *), GFP_ATOMIC);
-        if (!tipc_net.zones) {
-                return -ENOMEM;
-        }
-        return 0;
-}
-
 static void net_stop(void)
 {
         u32 z_num;
 
-        if (!tipc_net.zones)
-                return;
-
-        for (z_num = 1; z_num <= tipc_max_zones; z_num++) {
+        for (z_num = 1; z_num <= tipc_max_zones; z_num++)
                 tipc_zone_delete(tipc_net.zones[z_num]);
-        }
-        kfree(tipc_net.zones);
-        tipc_net.zones = NULL;
 }
 
 static void net_route_named_msg(struct sk_buff *buf)
@@ -282,9 +267,7 @@ int tipc_net_start(u32 addr)
         tipc_named_reinit();
         tipc_port_reinit();
 
-        if ((res = tipc_bearer_init()) ||
-            (res = net_init()) ||
-            (res = tipc_cltr_init()) ||
+        if ((res = tipc_cltr_init()) ||
             (res = tipc_bclink_init())) {
                 return res;
         }
diff --git a/net/tipc/ref.c b/net/tipc/ref.c
index 414fc34b8bea..8dea66500cf5 100644
--- a/net/tipc/ref.c
+++ b/net/tipc/ref.c
@@ -153,11 +153,11 @@ void tipc_ref_table_stop(void)
 
 u32 tipc_ref_acquire(void *object, spinlock_t **lock)
 {
-        struct reference *entry;
         u32 index;
         u32 index_mask;
         u32 next_plus_upper;
         u32 ref;
+        struct reference *entry = NULL;
 
         if (!object) {
                 err("Attempt to acquire reference to non-existent object\n");
@@ -175,30 +175,36 @@ u32 tipc_ref_acquire(void *object, spinlock_t **lock)
                 index = tipc_ref_table.first_free;
                 entry = &(tipc_ref_table.entries[index]);
                 index_mask = tipc_ref_table.index_mask;
-                /* take lock in case a previous user of entry still holds it */
-                spin_lock_bh(&entry->lock);
                 next_plus_upper = entry->ref;
                 tipc_ref_table.first_free = next_plus_upper & index_mask;
                 ref = (next_plus_upper & ~index_mask) + index;
-                entry->ref = ref;
-                entry->object = object;
-                *lock = &entry->lock;
         }
         else if (tipc_ref_table.init_point < tipc_ref_table.capacity) {
                 index = tipc_ref_table.init_point++;
                 entry = &(tipc_ref_table.entries[index]);
                 spin_lock_init(&entry->lock);
-                spin_lock_bh(&entry->lock);
                 ref = tipc_ref_table.start_mask + index;
-                entry->ref = ref;
-                entry->object = object;
-                *lock = &entry->lock;
         }
         else {
                 ref = 0;
         }
         write_unlock_bh(&ref_table_lock);
 
+        /*
+         * Grab the lock so no one else can modify this entry
+         * While we assign its ref value & object pointer
+         */
+        if (entry) {
+                spin_lock_bh(&entry->lock);
+                entry->ref = ref;
+                entry->object = object;
+                *lock = &entry->lock;
+                /*
+                 * keep it locked, the caller is responsible
+                 * for unlocking this when they're done with it
+                 */
+        }
+
         return ref;
 }
 
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 1ea64f09cc45..cfb20b80b3a1 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -40,9 +40,9 @@
 #include <linux/socket.h>
 #include <linux/errno.h>
 #include <linux/mm.h>
-#include <linux/slab.h>
 #include <linux/poll.h>
 #include <linux/fcntl.h>
+#include <linux/gfp.h>
 #include <asm/string.h>
 #include <asm/atomic.h>
 #include <net/sock.h>
@@ -1322,8 +1322,10 @@ static u32 dispatch(struct tipc_port *tport, struct sk_buff *buf)
         if (!sock_owned_by_user(sk)) {
                 res = filter_rcv(sk, buf);
         } else {
-                sk_add_backlog(sk, buf);
-                res = TIPC_OK;
+                if (sk_add_backlog(sk, buf))
+                        res = TIPC_ERR_OVERLOAD;
+                else
+                        res = TIPC_OK;
         }
         bh_unlock_sock(sk);
 
diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index ac91f0dfa144..ff123e56114a 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -76,19 +76,6 @@ struct top_srv {
 static struct top_srv topsrv = { 0 };
 
 /**
- * htohl - convert value to endianness used by destination
- * @in: value to convert
- * @swap: non-zero if endianness must be reversed
- *
- * Returns converted value
- */
-
-static u32 htohl(u32 in, int swap)
-{
-        return swap ? swab32(in) : in;
-}
-
-/**
  * subscr_send_event - send a message containing a tipc_event to the subscriber
  *
  * Note: Must not hold subscriber's server port lock, since tipc_send() will
@@ -107,11 +94,11 @@ static void subscr_send_event(struct subscription *sub,
         msg_sect.iov_base = (void *)&sub->evt;
         msg_sect.iov_len = sizeof(struct tipc_event);
 
-        sub->evt.event = htohl(event, sub->swap);
-        sub->evt.found_lower = htohl(found_lower, sub->swap);
-        sub->evt.found_upper = htohl(found_upper, sub->swap);
-        sub->evt.port.ref = htohl(port_ref, sub->swap);
-        sub->evt.port.node = htohl(node, sub->swap);
+        sub->evt.event = htonl(event);
+        sub->evt.found_lower = htonl(found_lower);
+        sub->evt.found_upper = htonl(found_upper);
+        sub->evt.port.ref = htonl(port_ref);
+        sub->evt.port.node = htonl(node);
         tipc_send(sub->server_ref, 1, &msg_sect);
 }
 
@@ -287,16 +274,23 @@ static void subscr_cancel(struct tipc_subscr *s,
 {
         struct subscription *sub;
         struct subscription *sub_temp;
+        __u32 type, lower, upper;
         int found = 0;
 
         /* Find first matching subscription, exit if not found */
 
+        type = ntohl(s->seq.type);
+        lower = ntohl(s->seq.lower);
+        upper = ntohl(s->seq.upper);
+
         list_for_each_entry_safe(sub, sub_temp, &subscriber->subscription_list,
                                  subscription_list) {
-                if (!memcmp(s, &sub->evt.s, sizeof(struct tipc_subscr))) {
-                        found = 1;
-                        break;
-                }
+                        if ((type == sub->seq.type) &&
+                            (lower == sub->seq.lower) &&
+                            (upper == sub->seq.upper)) {
+                                found = 1;
+                                break;
+                        }
         }
         if (!found)
                 return;
@@ -325,16 +319,10 @@ static struct subscription *subscr_subscribe(struct tipc_subscr *s,
                                              struct subscriber *subscriber)
 {
         struct subscription *sub;
-        int swap;
-
-        /* Determine subscriber's endianness */
-
-        swap = !(s->filter & (TIPC_SUB_PORTS | TIPC_SUB_SERVICE));
 
         /* Detect & process a subscription cancellation request */
 
-        if (s->filter & htohl(TIPC_SUB_CANCEL, swap)) {
-                s->filter &= ~htohl(TIPC_SUB_CANCEL, swap);
+        if (ntohl(s->filter) & TIPC_SUB_CANCEL) {
                 subscr_cancel(s, subscriber);
                 return NULL;
         }
@@ -359,11 +347,11 @@ static struct subscription *subscr_subscribe(struct tipc_subscr *s,
 
         /* Initialize subscription object */
 
-        sub->seq.type = htohl(s->seq.type, swap);
-        sub->seq.lower = htohl(s->seq.lower, swap);
-        sub->seq.upper = htohl(s->seq.upper, swap);
-        sub->timeout = htohl(s->timeout, swap);
-        sub->filter = htohl(s->filter, swap);
+        sub->seq.type = ntohl(s->seq.type);
+        sub->seq.lower = ntohl(s->seq.lower);
+        sub->seq.upper = ntohl(s->seq.upper);
+        sub->timeout = ntohl(s->timeout);
+        sub->filter = ntohl(s->filter);
         if ((!(sub->filter & TIPC_SUB_PORTS) ==
              !(sub->filter & TIPC_SUB_SERVICE)) ||
             (sub->seq.lower > sub->seq.upper)) {
@@ -376,7 +364,6 @@ static struct subscription *subscr_subscribe(struct tipc_subscr *s,
         INIT_LIST_HEAD(&sub->nameseq_list);
         list_add(&sub->subscription_list, &subscriber->subscription_list);
         sub->server_ref = subscriber->port_ref;
-        sub->swap = swap;
         memcpy(&sub->evt.s, s, sizeof(struct tipc_subscr));
         atomic_inc(&topsrv.subscription_count);
         if (sub->timeout != TIPC_WAIT_FOREVER) {
diff --git a/net/tipc/subscr.h b/net/tipc/subscr.h
index 45d89bf4d202..c20f496d95b2 100644
--- a/net/tipc/subscr.h
+++ b/net/tipc/subscr.h
@@ -53,7 +53,6 @@ typedef void (*tipc_subscr_event) (struct subscription *sub,
  * @nameseq_list: adjacent subscriptions in name sequence's subscription list
  * @subscription_list: adjacent subscriptions in subscriber's subscription list
  * @server_ref: object reference of server port associated with subscription
- * @swap: indicates if subscriber uses opposite endianness in its messages
  * @evt: template for events generated by subscription
  */
 
@@ -66,7 +65,6 @@ struct subscription {
         struct list_head nameseq_list;
         struct list_head subscription_list;
         u32 server_ref;
-        int swap;
         struct tipc_event evt;
 };
 
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index 19c17e4a0c8b..14c22c3768da 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -74,7 +74,6 @@
 #include <linux/un.h>
 #include <linux/net.h>
 #include <linux/fs.h>
-#include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/file.h>
diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c
index d095c7be10d0..397cffebb3b6 100644
--- a/net/unix/sysctl_net_unix.c
+++ b/net/unix/sysctl_net_unix.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/mm.h>
+#include <linux/slab.h>
 #include <linux/sysctl.h>
 
 #include <net/af_unix.h>
diff --git a/net/wimax/op-msg.c b/net/wimax/op-msg.c
index 7718657e93dc..d5b7c3779c43 100644
--- a/net/wimax/op-msg.c
+++ b/net/wimax/op-msg.c
@@ -72,6 +72,7 @@
  *   wimax_msg_send()
  */
 #include <linux/device.h>
+#include <linux/slab.h>
 #include <net/genetlink.h>
 #include <linux/netdevice.h>
 #include <linux/wimax.h>
diff --git a/net/wimax/stack.c b/net/wimax/stack.c
index 813e1eaea29b..1ed65dbdab03 100644
--- a/net/wimax/stack.c
+++ b/net/wimax/stack.c
@@ -51,6 +51,7 @@
  *   wimax_rfkill_rm()
  */
 #include <linux/device.h>
+#include <linux/gfp.h>
 #include <net/genetlink.h>
 #include <linux/netdevice.h>
 #include <linux/wimax.h>
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 7fdb9409ad2a..6ac70c101523 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -8,6 +8,7 @@
 #include <linux/module.h>
 #include <linux/err.h>
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <linux/nl80211.h>
 #include <linux/debugfs.h>
 #include <linux/notifier.h>
diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c
index 2e4895615037..a4991a3efec0 100644
--- a/net/wireless/debugfs.c
+++ b/net/wireless/debugfs.c
@@ -9,6 +9,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/slab.h>
 #include "core.h"
 #include "debugfs.h"
 
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 6ef5a491fb4b..6a5acf750174 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -6,6 +6,7 @@
 
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
+#include <linux/slab.h>
 #include <net/cfg80211.h>
 #include "wext-compat.h"
 #include "nl80211.h"
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 62bc8855e123..22139fa46115 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -8,6 +8,7 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/nl80211.h>
+#include <linux/slab.h>
 #include <linux/wireless.h>
 #include <net/cfg80211.h>
 #include <net/iw_handler.h>
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index e447db04cf76..030cf153bea2 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -7,6 +7,7 @@
 #include <linux/if.h>
 #include <linux/module.h>
 #include <linux/err.h>
+#include <linux/slab.h>
 #include <linux/list.h>
 #include <linux/if_ether.h>
 #include <linux/ieee80211.h>
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index ed89c59bb431..422da20d1e5b 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -33,6 +33,7 @@
  *
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/list.h>
 #include <linux/random.h>
 #include <linux/nl80211.h>
@@ -324,7 +325,7 @@ struct reg_regdb_search_request {
 };
 
 static LIST_HEAD(reg_regdb_search_list);
-static DEFINE_SPINLOCK(reg_regdb_search_lock);
+static DEFINE_MUTEX(reg_regdb_search_mutex);
 
 static void reg_regdb_search(struct work_struct *work)
 {
@@ -332,7 +333,7 @@ static void reg_regdb_search(struct work_struct *work)
         const struct ieee80211_regdomain *curdom, *regdom;
         int i, r;
 
-        spin_lock(&reg_regdb_search_lock);
+        mutex_lock(&reg_regdb_search_mutex);
         while (!list_empty(&reg_regdb_search_list)) {
                 request = list_first_entry(&reg_regdb_search_list,
                                            struct reg_regdb_search_request,
@@ -346,18 +347,16 @@ static void reg_regdb_search(struct work_struct *work)
                                 r = reg_copy_regd(&regdom, curdom);
                                 if (r)
                                         break;
-                                spin_unlock(&reg_regdb_search_lock);
                                 mutex_lock(&cfg80211_mutex);
                                 set_regdom(regdom);
                                 mutex_unlock(&cfg80211_mutex);
-                                spin_lock(&reg_regdb_search_lock);
                                 break;
                         }
                 }
 
                 kfree(request);
         }
-        spin_unlock(&reg_regdb_search_lock);
+        mutex_unlock(&reg_regdb_search_mutex);
 }
 
 static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
@@ -375,9 +374,9 @@ static void reg_regdb_query(const char *alpha2)
 
         memcpy(request->alpha2, alpha2, 2);
 
-        spin_lock(&reg_regdb_search_lock);
+        mutex_lock(&reg_regdb_search_mutex);
         list_add_tail(&request->list, &reg_regdb_search_list);
-        spin_unlock(&reg_regdb_search_lock);
+        mutex_unlock(&reg_regdb_search_mutex);
 
         schedule_work(&reg_regdb_work);
 }
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 978cac3414b5..a026c6d56bd3 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -4,6 +4,7 @@
  * Copyright 2008 Johannes Berg <johannes@sipsolutions.net>
  */
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/wireless.h>
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 17fde0da1b08..f4dfd5f5f2ea 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -7,6 +7,7 @@
 
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
+#include <linux/slab.h>
 #include <linux/workqueue.h>
 #include <linux/wireless.h>
 #include <net/iw_handler.h>
diff --git a/net/wireless/util.c b/net/wireless/util.c
index be2ab8c59e3a..d3574a4eb3ba 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -5,6 +5,7 @@
  */
 #include <linux/bitops.h>
 #include <linux/etherdevice.h>
+#include <linux/slab.h>
 #include <net/cfg80211.h>
 #include <net/ip.h>
 #include "core.h"
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 9ab51838849e..a60a2773b497 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -12,6 +12,7 @@
 #include <linux/nl80211.h>
 #include <linux/if_arp.h>
 #include <linux/etherdevice.h>
+#include <linux/slab.h>
 #include <net/iw_handler.h>
 #include <net/cfg80211.h>
 #include "wext-compat.h"
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index 5e1656bdf23b..4f5a47091fde 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -10,6 +10,7 @@
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/rtnetlink.h>
+#include <linux/slab.h>
 #include <linux/wireless.h>
 #include <linux/uaccess.h>
 #include <net/cfg80211.h>
diff --git a/net/wireless/wext-priv.c b/net/wireless/wext-priv.c
index a3c2277de9e5..3feb28e41c53 100644
--- a/net/wireless/wext-priv.c
+++ b/net/wireless/wext-priv.c
@@ -7,6 +7,7 @@
  *
  * (As all part of the Linux kernel, this file is GPL)
  */
+#include <linux/slab.h>
 #include <linux/wireless.h>
 #include <linux/netdevice.h>
 #include <net/iw_handler.h>
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index 5615a8802536..d5c6140f4cb8 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -7,6 +7,7 @@
 
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
+#include <linux/slab.h>
 #include <net/cfg80211.h>
 #include "wext-compat.h"
 #include "nl80211.h"
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 9796f3ed1edb..36e84e13c6aa 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -47,6 +47,7 @@
 #include <linux/netdevice.h>
 #include <linux/if_arp.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <asm/uaccess.h>
@@ -82,6 +83,41 @@ struct compat_x25_subscrip_struct {
 };
 #endif
 
+
+int x25_parse_address_block(struct sk_buff *skb,
+                struct x25_address *called_addr,
+                struct x25_address *calling_addr)
+{
+        unsigned char len;
+        int needed;
+        int rc;
+
+        if (skb->len < 1) {
+                /* packet has no address block */
+                rc = 0;
+                goto empty;
+        }
+
+        len = *skb->data;
+        needed = 1 + (len >> 4) + (len & 0x0f);
+
+        if (skb->len < needed) {
+                /* packet is too short to hold the addresses it claims
+                   to hold */
+                rc = -1;
+                goto empty;
+        }
+
+        return x25_addr_ntoa(skb->data, called_addr, calling_addr);
+
+empty:
+        *called_addr->x25_addr = 0;
+        *calling_addr->x25_addr = 0;
+
+        return rc;
+}
+
+
 int x25_addr_ntoa(unsigned char *p, struct x25_address *called_addr,
                   struct x25_address *calling_addr)
 {
@@ -366,6 +402,7 @@ static void __x25_destroy_socket(struct sock *sk)
                         /*
                          * Queue the unaccepted socket for death
                          */
+                        skb->sk->sk_state = TCP_LISTEN;
                         sock_set_flag(skb->sk, SOCK_DEAD);
                         x25_start_heartbeat(skb->sk);
                         x25_sk(skb->sk)->state = X25_STATE_0;
@@ -553,7 +590,8 @@ static int x25_create(struct net *net, struct socket *sock, int protocol,
         x25->facilities.winsize_out = X25_DEFAULT_WINDOW_SIZE;
         x25->facilities.pacsize_in  = X25_DEFAULT_PACKET_SIZE;
         x25->facilities.pacsize_out = X25_DEFAULT_PACKET_SIZE;
-        x25->facilities.throughput  = X25_DEFAULT_THROUGHPUT;
+        x25->facilities.throughput  = 0;        /* by default don't negotiate
+                                                   throughput */
         x25->facilities.reverse     = X25_DEFAULT_REVERSE;
         x25->dte_facilities.calling_len = 0;
         x25->dte_facilities.called_len = 0;
@@ -921,16 +959,26 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb,
         /*
          *      Extract the X.25 addresses and convert them to ASCII strings,
          *      and remove them.
+         *
+         *      Address block is mandatory in call request packets
          */
-        addr_len = x25_addr_ntoa(skb->data, &source_addr, &dest_addr);
+        addr_len = x25_parse_address_block(skb, &source_addr, &dest_addr);
+        if (addr_len <= 0)
+                goto out_clear_request;
         skb_pull(skb, addr_len);
 
         /*
          *      Get the length of the facilities, skip past them for the moment
          *      get the call user data because this is needed to determine
          *      the correct listener
+         *
+         *      Facilities length is mandatory in call request packets
          */
+        if (skb->len < 1)
+                goto out_clear_request;
         len = skb->data[0] + 1;
+        if (skb->len < len)
+                goto out_clear_request;
         skb_pull(skb,len);
 
         /*
@@ -1414,9 +1462,20 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                         if (facilities.winsize_in < 1 ||
                             facilities.winsize_in > 127)
                                 break;
-                        if (facilities.throughput < 0x03 ||
-                            facilities.throughput > 0xDD)
-                                break;
+                        if (facilities.throughput) {
+                                int out = facilities.throughput & 0xf0;
+                                int in  = facilities.throughput & 0x0f;
+                                if (!out)
+                                        facilities.throughput |=
+                                                X25_DEFAULT_THROUGHPUT << 4;
+                                else if (out < 0x30 || out > 0xD0)
+                                        break;
+                                if (!in)
+                                        facilities.throughput |=
+                                                X25_DEFAULT_THROUGHPUT;
+                                else if (in < 0x03 || in > 0x0D)
+                                        break;
+                        }
                         if (facilities.reverse &&
                                 (facilities.reverse & 0x81) != 0x81)
                                 break;
diff --git a/net/x25/x25_dev.c b/net/x25/x25_dev.c
index 3e1efe534645..b9ef682230a0 100644
--- a/net/x25/x25_dev.c
+++ b/net/x25/x25_dev.c
@@ -20,6 +20,7 @@
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <net/sock.h>
 #include <linux/if_arp.h>
 #include <net/x25.h>
@@ -53,7 +54,7 @@ static int x25_receive_data(struct sk_buff *skb, struct x25_neigh *nb)
                 if (!sock_owned_by_user(sk)) {
                         queued = x25_process_rx_frame(sk, skb);
                 } else {
-                        sk_add_backlog(sk, skb);
+                        queued = !sk_add_backlog(sk, skb);
                 }
                 bh_unlock_sock(sk);
                 sock_put(sk);
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index a21f6646eb3a..771bab00754b 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -35,7 +35,7 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
                 struct x25_dte_facilities *dte_facs, unsigned long *vc_fac_mask)
 {
         unsigned char *p = skb->data;
-        unsigned int len = *p++;
+        unsigned int len;
 
         *vc_fac_mask = 0;
 
@@ -50,6 +50,14 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
         memset(dte_facs->called_ae, '\0', sizeof(dte_facs->called_ae));
         memset(dte_facs->calling_ae, '\0', sizeof(dte_facs->calling_ae));
 
+        if (skb->len < 1)
+                return 0;
+
+        len = *p++;
+
+        if (len >= skb->len)
+                return -1;
+
         while (len > 0) {
                 switch (*p & X25_FAC_CLASS_MASK) {
                 case X25_FAC_CLASS_A:
@@ -247,6 +255,8 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
         memcpy(new, ours, sizeof(*new));
 
         len = x25_parse_facilities(skb, &theirs, dte, &x25->vc_facil_mask);
+        if (len < 0)
+                return len;
 
         /*
          *      They want reverse charging, we won't accept it.
@@ -259,9 +269,18 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
         new->reverse = theirs.reverse;
 
         if (theirs.throughput) {
-                if (theirs.throughput < ours->throughput) {
-                        SOCK_DEBUG(sk, "X.25: throughput negotiated down\n");
-                        new->throughput = theirs.throughput;
+                int theirs_in =  theirs.throughput & 0x0f;
+                int theirs_out = theirs.throughput & 0xf0;
+                int ours_in  = ours->throughput & 0x0f;
+                int ours_out = ours->throughput & 0xf0;
+                if (!ours_in || theirs_in < ours_in) {
+                        SOCK_DEBUG(sk, "X.25: inbound throughput negotiated\n");
+                        new->throughput = (new->throughput & 0xf0) | theirs_in;
+                }
+                if (!ours_out || theirs_out < ours_out) {
+                        SOCK_DEBUG(sk,
+                                "X.25: outbound throughput negotiated\n");
+                        new->throughput = (new->throughput & 0x0f) | theirs_out;
                 }
         }
 
diff --git a/net/x25/x25_forward.c b/net/x25/x25_forward.c
index 056a55f3a871..25a810793968 100644
--- a/net/x25/x25_forward.c
+++ b/net/x25/x25_forward.c
@@ -10,6 +10,7 @@
  */
 #include <linux/if_arp.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/x25.h>
 
 LIST_HEAD(x25_forward_list);
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index 96d922783547..372ac226e648 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -23,6 +23,7 @@
  *                                        i-frames.
  */
 
+#include <linux/slab.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
@@ -89,6 +90,7 @@ static int x25_queue_rx_frame(struct sock *sk, struct sk_buff *skb, int more)
 static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametype)
 {
         struct x25_address source_addr, dest_addr;
+        int len;
 
         switch (frametype) {
                 case X25_CALL_ACCEPTED: {
@@ -106,11 +108,17 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
                          *      Parse the data in the frame.
                          */
                         skb_pull(skb, X25_STD_MIN_LEN);
-                        skb_pull(skb, x25_addr_ntoa(skb->data, &source_addr, &dest_addr));
-                        skb_pull(skb,
-                                 x25_parse_facilities(skb, &x25->facilities,
+
+                        len = x25_parse_address_block(skb, &source_addr,
+                                                &dest_addr);
+                        if (len > 0)
+                                skb_pull(skb, len);
+
+                        len = x25_parse_facilities(skb, &x25->facilities,
                                                 &x25->dte_facilities,
-                                                &x25->vc_facil_mask));
+                                                &x25->vc_facil_mask);
+                        if (len > 0)
+                                skb_pull(skb, len);
                         /*
                          *      Copy any Call User Data.
                          */
diff --git a/net/x25/x25_link.c b/net/x25/x25_link.c
index e4e1b6e49538..73e7b954ad28 100644
--- a/net/x25/x25_link.c
+++ b/net/x25/x25_link.c
@@ -24,6 +24,7 @@
 #include <linux/kernel.h>
 #include <linux/jiffies.h>
 #include <linux/timer.h>
+#include <linux/slab.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
 #include <asm/uaccess.h>
diff --git a/net/x25/x25_out.c b/net/x25/x25_out.c
index 2b96b52114d6..52351a26b6fc 100644
--- a/net/x25/x25_out.c
+++ b/net/x25/x25_out.c
@@ -22,6 +22,7 @@
  *                                      needed cleaned seq-number fields.
  */
 
+#include <linux/slab.h>
 #include <linux/socket.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/net/x25/x25_route.c b/net/x25/x25_route.c
index b95fae9ab393..97d77c532d8c 100644
--- a/net/x25/x25_route.c
+++ b/net/x25/x25_route.c
@@ -19,6 +19,7 @@
 
 #include <linux/if_arp.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/x25.h>
 
 LIST_HEAD(x25_route_list);
diff --git a/net/x25/x25_subr.c b/net/x25/x25_subr.c
index 352b32d216fc..dc20cf12f39b 100644
--- a/net/x25/x25_subr.c
+++ b/net/x25/x25_subr.c
@@ -23,6 +23,7 @@
  *                                              restriction on response.
  */
 
+#include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/skbuff.h>
diff --git a/net/xfrm/xfrm_ipcomp.c b/net/xfrm/xfrm_ipcomp.c
index 0fc5ff66d1fa..fc91ad7ee26e 100644
--- a/net/xfrm/xfrm_ipcomp.c
+++ b/net/xfrm/xfrm_ipcomp.c
@@ -17,11 +17,11 @@
 
 #include <linux/crypto.h>
 #include <linux/err.h>
-#include <linux/gfp.h>
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/percpu.h>
+#include <linux/slab.h>
 #include <linux/smp.h>
 #include <linux/vmalloc.h>
 #include <net/ip.h>
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index b9fe13138c07..6a329158bdfa 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -14,6 +14,7 @@
 #include <linux/netdevice.h>
 #include <linux/netfilter.h>
 #include <linux/skbuff.h>
+#include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <net/dst.h>
 #include <net/xfrm.h>
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 34a5ef8316e7..843e066649cb 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1372,7 +1372,8 @@ static inline int xfrm_init_path(struct xfrm_dst *path, struct dst_entry *dst,
         return err;
 }
 
-static inline int xfrm_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
+static inline int xfrm_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
+                                struct flowi *fl)
 {
         struct xfrm_policy_afinfo *afinfo =
                 xfrm_policy_get_afinfo(xdst->u.dst.ops->family);
@@ -1381,7 +1382,7 @@ static inline int xfrm_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
         if (!afinfo)
                 return -EINVAL;
 
-        err = afinfo->fill_dst(xdst, dev);
+        err = afinfo->fill_dst(xdst, dev, fl);
 
         xfrm_policy_put_afinfo(afinfo);
 
@@ -1486,7 +1487,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
         for (dst_prev = dst0; dst_prev != dst; dst_prev = dst_prev->child) {
                 struct xfrm_dst *xdst = (struct xfrm_dst *)dst_prev;
 
-                err = xfrm_fill_dst(xdst, dev);
+                err = xfrm_fill_dst(xdst, dev, fl);
                 if (err)
                         goto free_dst;
 
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 17d5b96f2fc8..add77ecb8ac4 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -22,6 +22,7 @@
 #include <linux/audit.h>
 #include <asm/uaccess.h>
 #include <linux/ktime.h>
+#include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 
diff --git a/net/xfrm/xfrm_sysctl.c b/net/xfrm/xfrm_sysctl.c
index 2c4d6cdcba49..05640bc9594b 100644
--- a/net/xfrm/xfrm_sysctl.c
+++ b/net/xfrm/xfrm_sysctl.c
@@ -1,4 +1,5 @@
 #include <linux/sysctl.h>
+#include <linux/slab.h>
 #include <net/net_namespace.h>
 #include <net/xfrm.h>