25 files changed, 284 insertions, 104 deletions

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 916061f681b6..68ced4bf158c 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -3,11 +3,20 @@
 #include <linux/if_vlan.h>
 #include "vlan.h"
 
+struct vlan_hwaccel_cb {
+        struct net_device       *dev;
+};
+
+static inline struct vlan_hwaccel_cb *vlan_hwaccel_cb(struct sk_buff *skb)
+{
+        return (struct vlan_hwaccel_cb *)skb->cb;
+}
+
 /* VLAN rx hw acceleration helper.  This acts like netif_{rx,receive_skb}(). */
 int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
                       u16 vlan_tci, int polling)
 {
-        struct net_device_stats *stats;
+        struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb);
 
         if (skb_bond_should_drop(skb)) {
                 dev_kfree_skb_any(skb);
@@ -15,23 +24,35 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
         }
 
         skb->vlan_tci = vlan_tci;
+        cb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
+
+        return (polling ? netif_receive_skb(skb) : netif_rx(skb));
+}
+EXPORT_SYMBOL(__vlan_hwaccel_rx);
+
+int vlan_hwaccel_do_receive(struct sk_buff *skb)
+{
+        struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb);
+        struct net_device *dev = cb->dev;
+        struct net_device_stats *stats;
+
         netif_nit_deliver(skb);
 
-        skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
-        if (skb->dev == NULL) {
-                dev_kfree_skb_any(skb);
-                /* Not NET_RX_DROP, this is not being dropped
-                 * due to congestion. */
-                return NET_RX_SUCCESS;
+        if (dev == NULL) {
+                kfree_skb(skb);
+                return -1;
         }
-        skb->dev->last_rx = jiffies;
+
+        skb->dev = dev;
+        skb->priority = vlan_get_ingress_priority(dev, skb->vlan_tci);
         skb->vlan_tci = 0;
 
-        stats = &skb->dev->stats;
+        dev->last_rx = jiffies;
+
+        stats = &dev->stats;
         stats->rx_packets++;
         stats->rx_bytes += skb->len;
 
-        skb->priority = vlan_get_ingress_priority(skb->dev, vlan_tci);
         switch (skb->pkt_type) {
         case PACKET_BROADCAST:
                 break;
@@ -43,13 +64,12 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
                  * This allows the VLAN to have a different MAC than the
                  * underlying device, and still route correctly. */
                 if (!compare_ether_addr(eth_hdr(skb)->h_dest,
-                                        skb->dev->dev_addr))
+                                        dev->dev_addr))
                         skb->pkt_type = PACKET_HOST;
                 break;
         };
-        return (polling ? netif_receive_skb(skb) : netif_rx(skb));
+        return 0;
 }
-EXPORT_SYMBOL(__vlan_hwaccel_rx);
 
 struct net_device *vlan_dev_real_dev(const struct net_device *dev)
 {
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index 0feefa4e1a4b..3628e0a81b40 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -314,7 +314,7 @@ static int vlandev_seq_show(struct seq_file *seq, void *offset)
                    dev_info->ingress_priority_map[6],
                    dev_info->ingress_priority_map[7]);
 
-        seq_printf(seq, "EGRESSS priority Mappings: ");
+        seq_printf(seq, " EGRESS priority mappings: ");
         for (i = 0; i < 16; i++) {
                 const struct vlan_priority_tci_mapping *mp
                         = dev_info->egress_priority_map[i];
diff --git a/net/9p/client.c b/net/9p/client.c
index 67717f69412e..4b529454616d 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -189,6 +189,9 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
                         printk(KERN_ERR "Couldn't grow tag array\n");
                         kfree(req->tc);
                         kfree(req->rc);
+                        kfree(req->wq);
+                        req->tc = req->rc = NULL;
+                        req->wq = NULL;
                         return ERR_PTR(-ENOMEM);
                 }
                 req->tc->sdata = (char *) req->tc + sizeof(struct p9_fcall);
@@ -311,12 +314,6 @@ static void p9_free_req(struct p9_client *c, struct p9_req_t *r)
         r->status = REQ_STATUS_IDLE;
         if (tag != P9_NOTAG && p9_idpool_check(tag, c->tagpool))
                 p9_idpool_put(tag, c->tagpool);
-
-        /* if this was a flush request we have to free response fcall */
-        if (r->rc->id == P9_RFLUSH) {
-                kfree(r->tc);
-                kfree(r->rc);
-        }
 }
 
 /**
@@ -611,19 +608,21 @@ reterr:
 
 static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 {
-        int err;
+        int ret;
         struct p9_fid *fid;
+        unsigned long flags;
 
         P9_DPRINTK(P9_DEBUG_FID, "clnt %p\n", clnt);
         fid = kmalloc(sizeof(struct p9_fid), GFP_KERNEL);
         if (!fid)
                 return ERR_PTR(-ENOMEM);
 
-        fid->fid = p9_idpool_get(clnt->fidpool);
+        ret = p9_idpool_get(clnt->fidpool);
         if (fid->fid < 0) {
-                err = -ENOSPC;
+                ret = -ENOSPC;
                 goto error;
         }
+        fid->fid = ret;
 
         memset(&fid->qid, 0, sizeof(struct p9_qid));
         fid->mode = -1;
@@ -632,27 +631,28 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
         fid->clnt = clnt;
         fid->aux = NULL;
 
-        spin_lock(&clnt->lock);
+        spin_lock_irqsave(&clnt->lock, flags);
         list_add(&fid->flist, &clnt->fidlist);
-        spin_unlock(&clnt->lock);
+        spin_unlock_irqrestore(&clnt->lock, flags);
 
         return fid;
 
 error:
         kfree(fid);
-        return ERR_PTR(err);
+        return ERR_PTR(ret);
 }
 
 static void p9_fid_destroy(struct p9_fid *fid)
 {
         struct p9_client *clnt;
+        unsigned long flags;
 
         P9_DPRINTK(P9_DEBUG_FID, "fid %d\n", fid->fid);
         clnt = fid->clnt;
         p9_idpool_put(fid->fid, clnt->fidpool);
-        spin_lock(&clnt->lock);
+        spin_lock_irqsave(&clnt->lock, flags);
         list_del(&fid->flist);
-        spin_unlock(&clnt->lock);
+        spin_unlock_irqrestore(&clnt->lock, flags);
         kfree(fid);
 }
 
@@ -818,7 +818,9 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
         }
 
         P9_DPRINTK(P9_DEBUG_9P, "<<< RATTACH qid %x.%llx.%x\n",
-                                        qid.type, qid.path, qid.version);
+                                        qid.type,
+                                        (unsigned long long)qid.path,
+                                        qid.version);
 
         memmove(&fid->qid, &qid, sizeof(struct p9_qid));
 
@@ -865,7 +867,9 @@ p9_client_auth(struct p9_client *clnt, char *uname, u32 n_uname, char *aname)
         }
 
         P9_DPRINTK(P9_DEBUG_9P, "<<< RAUTH qid %x.%llx.%x\n",
-                                        qid.type, qid.path, qid.version);
+                                        qid.type,
+                                        (unsigned long long)qid.path,
+                                        qid.version);
 
         memmove(&afid->qid, &qid, sizeof(struct p9_qid));
         p9_free_req(clnt, req);
@@ -930,7 +934,8 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
 
         for (count = 0; count < nwqids; count++)
                 P9_DPRINTK(P9_DEBUG_9P, "<<<     [%d] %x.%llx.%x\n",
-                        count, wqids[count].type, wqids[count].path,
+                        count, wqids[count].type,
+                        (unsigned long long)wqids[count].path,
                         wqids[count].version);
 
         if (nwname)
@@ -980,7 +985,9 @@ int p9_client_open(struct p9_fid *fid, int mode)
         }
 
         P9_DPRINTK(P9_DEBUG_9P, "<<< ROPEN qid %x.%llx.%x iounit %x\n",
-                                qid.type, qid.path, qid.version, iounit);
+                                qid.type,
+                                (unsigned long long)qid.path,
+                                qid.version, iounit);
 
         fid->mode = mode;
         fid->iounit = iounit;
@@ -1023,7 +1030,9 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
         }
 
         P9_DPRINTK(P9_DEBUG_9P, "<<< RCREATE qid %x.%llx.%x iounit %x\n",
-                                qid.type, qid.path, qid.version, iounit);
+                                qid.type,
+                                (unsigned long long)qid.path,
+                                qid.version, iounit);
 
         fid->mode = mode;
         fid->iounit = iounit;
@@ -1230,9 +1239,9 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
                 "<<<    name=%s uid=%s gid=%s muid=%s extension=(%s)\n"
                 "<<<    uid=%d gid=%d n_muid=%d\n",
                 ret->size, ret->type, ret->dev, ret->qid.type,
-                ret->qid.path, ret->qid.version, ret->mode,
-                ret->atime, ret->mtime, ret->length, ret->name,
-                ret->uid, ret->gid, ret->muid, ret->extension,
+                (unsigned long long)ret->qid.path, ret->qid.version, ret->mode,
+                ret->atime, ret->mtime, (unsigned long long)ret->length,
+                ret->name, ret->uid, ret->gid, ret->muid, ret->extension,
                 ret->n_uid, ret->n_gid, ret->n_muid);
 
 free_and_error:
@@ -1255,9 +1264,9 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
                 "     name=%s uid=%s gid=%s muid=%s extension=(%s)\n"
                 "     uid=%d gid=%d n_muid=%d\n",
                 wst->size, wst->type, wst->dev, wst->qid.type,
-                wst->qid.path, wst->qid.version, wst->mode,
-                wst->atime, wst->mtime, wst->length, wst->name,
-                wst->uid, wst->gid, wst->muid, wst->extension,
+                (unsigned long long)wst->qid.path, wst->qid.version, wst->mode,
+                wst->atime, wst->mtime, (unsigned long long)wst->length,
+                wst->name, wst->uid, wst->gid, wst->muid, wst->extension,
                 wst->n_uid, wst->n_gid, wst->n_muid);
         err = 0;
         clnt = fid->clnt;
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 8d6cc4777aae..2f1fe5fc1228 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -45,7 +45,6 @@
 #include <net/9p/transport.h>
 #include <rdma/ib_verbs.h>
 #include <rdma/rdma_cm.h>
-#include <rdma/ib_verbs.h>
 
 #define P9_PORT                 5640
 #define P9_RDMA_SQ_DEPTH        32
@@ -589,6 +588,9 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
         if (IS_ERR(rdma->cm_id))
                 goto error;
 
+        /* Associate the client with the transport */
+        client->trans = rdma;
+
         /* Resolve the server's address */
         rdma->addr.sin_family = AF_INET;
         rdma->addr.sin_addr.s_addr = in_aton(addr);
@@ -669,7 +671,6 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
         if (err || (rdma->state != P9_RDMA_CONNECTED))
                 goto error;
 
-        client->trans = rdma;
         client->status = Connected;
 
         return 0;
diff --git a/net/core/dev.c b/net/core/dev.c
index d9038e328cc1..9174c77d3112 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2218,6 +2218,9 @@ int netif_receive_skb(struct sk_buff *skb)
         int ret = NET_RX_DROP;
         __be16 type;
 
+        if (skb->vlan_tci && vlan_hwaccel_do_receive(skb))
+                return NET_RX_SUCCESS;
+
         /* if we've gotten here through NAPI, check netpoll */
         if (netpoll_receive_skb(skb))
                 return NET_RX_DROP;
diff --git a/net/core/scm.c b/net/core/scm.c
index 10f5c65f6a47..ab242cc1acca 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -75,6 +75,7 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp)
                 if (!fpl)
                         return -ENOMEM;
                 *fplp = fpl;
+                INIT_LIST_HEAD(&fpl->list);
                 fpl->count = 0;
         }
         fpp = &fpl->fp[fpl->count];
@@ -106,9 +107,25 @@ void __scm_destroy(struct scm_cookie *scm)
 
         if (fpl) {
                 scm->fp = NULL;
-                for (i=fpl->count-1; i>=0; i--)
-                        fput(fpl->fp[i]);
-                kfree(fpl);
+                if (current->scm_work_list) {
+                        list_add_tail(&fpl->list, current->scm_work_list);
+                } else {
+                        LIST_HEAD(work_list);
+
+                        current->scm_work_list = &work_list;
+
+                        list_add(&fpl->list, &work_list);
+                        while (!list_empty(&work_list)) {
+                                fpl = list_first_entry(&work_list, struct scm_fp_list, list);
+
+                                list_del(&fpl->list);
+                                for (i=fpl->count-1; i>=0; i--)
+                                        fput(fpl->fp[i]);
+                                kfree(fpl);
+                        }
+
+                        current->scm_work_list = NULL;
+                }
         }
 }
 
@@ -284,6 +301,7 @@ struct scm_fp_list *scm_fp_dup(struct scm_fp_list *fpl)
 
         new_fpl = kmalloc(sizeof(*fpl), GFP_KERNEL);
         if (new_fpl) {
+                INIT_LIST_HEAD(&new_fpl->list);
                 for (i=fpl->count-1; i>=0; i--)
                         get_file(fpl->fp[i]);
                 memcpy(new_fpl, fpl, sizeof(*fpl));
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index ebb6b94f8af2..d49ef8301b5b 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -486,8 +486,8 @@ int skb_recycle_check(struct sk_buff *skb, int skb_size)
         shinfo->frag_list = NULL;
 
         memset(skb, 0, offsetof(struct sk_buff, tail));
-        skb_reset_tail_pointer(skb);
         skb->data = skb->head + NET_SKB_PAD;
+        skb_reset_tail_pointer(skb);
 
         return 1;
 }
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 37616884b8a9..1af5a79309e9 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -10,6 +10,7 @@
 
 #include <linux/list.h>
 #include <linux/netdevice.h>
+#include <linux/etherdevice.h>
 #include <linux/phy.h>
 #include "dsa_priv.h"
 
@@ -49,11 +50,57 @@ void dsa_slave_mii_bus_init(struct dsa_switch *ds)
 /* slave device handling ****************************************************/
 static int dsa_slave_open(struct net_device *dev)
 {
+        struct dsa_slave_priv *p = netdev_priv(dev);
+        struct net_device *master = p->parent->master_netdev;
+        int err;
+
+        if (!(master->flags & IFF_UP))
+                return -ENETDOWN;
+
+        if (compare_ether_addr(dev->dev_addr, master->dev_addr)) {
+                err = dev_unicast_add(master, dev->dev_addr, ETH_ALEN);
+                if (err < 0)
+                        goto out;
+        }
+
+        if (dev->flags & IFF_ALLMULTI) {
+                err = dev_set_allmulti(master, 1);
+                if (err < 0)
+                        goto del_unicast;
+        }
+        if (dev->flags & IFF_PROMISC) {
+                err = dev_set_promiscuity(master, 1);
+                if (err < 0)
+                        goto clear_allmulti;
+        }
+
         return 0;
+
+clear_allmulti:
+        if (dev->flags & IFF_ALLMULTI)
+                dev_set_allmulti(master, -1);
+del_unicast:
+        if (compare_ether_addr(dev->dev_addr, master->dev_addr))
+                dev_unicast_delete(master, dev->dev_addr, ETH_ALEN);
+out:
+        return err;
 }
 
 static int dsa_slave_close(struct net_device *dev)
 {
+        struct dsa_slave_priv *p = netdev_priv(dev);
+        struct net_device *master = p->parent->master_netdev;
+
+        dev_mc_unsync(master, dev);
+        dev_unicast_unsync(master, dev);
+        if (dev->flags & IFF_ALLMULTI)
+                dev_set_allmulti(master, -1);
+        if (dev->flags & IFF_PROMISC)
+                dev_set_promiscuity(master, -1);
+
+        if (compare_ether_addr(dev->dev_addr, master->dev_addr))
+                dev_unicast_delete(master, dev->dev_addr, ETH_ALEN);
+
         return 0;
 }
 
@@ -77,9 +124,30 @@ static void dsa_slave_set_rx_mode(struct net_device *dev)
         dev_unicast_sync(master, dev);
 }
 
-static int dsa_slave_set_mac_address(struct net_device *dev, void *addr)
+static int dsa_slave_set_mac_address(struct net_device *dev, void *a)
 {
-        memcpy(dev->dev_addr, addr + 2, 6);
+        struct dsa_slave_priv *p = netdev_priv(dev);
+        struct net_device *master = p->parent->master_netdev;
+        struct sockaddr *addr = a;
+        int err;
+
+        if (!is_valid_ether_addr(addr->sa_data))
+                return -EADDRNOTAVAIL;
+
+        if (!(dev->flags & IFF_UP))
+                goto out;
+
+        if (compare_ether_addr(addr->sa_data, master->dev_addr)) {
+                err = dev_unicast_add(master, addr->sa_data, ETH_ALEN);
+                if (err < 0)
+                        return err;
+        }
+
+        if (compare_ether_addr(dev->dev_addr, master->dev_addr))
+                dev_unicast_delete(master, dev->dev_addr, ETH_ALEN);
+
+out:
+        memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
 
         return 0;
 }
diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c
index bdc0510b53b7..31866543332e 100644
--- a/net/dsa/tag_dsa.c
+++ b/net/dsa/tag_dsa.c
@@ -159,6 +159,7 @@ static int dsa_rcv(struct sk_buff *skb, struct net_device *dev,
 
         skb->dev = ds->ports[source_port];
         skb_push(skb, ETH_HLEN);
+        skb->pkt_type = PACKET_HOST;
         skb->protocol = eth_type_trans(skb, skb->dev);
 
         skb->dev->last_rx = jiffies;
diff --git a/net/dsa/tag_edsa.c b/net/dsa/tag_edsa.c
index f985ea993843..9f4ce55eae59 100644
--- a/net/dsa/tag_edsa.c
+++ b/net/dsa/tag_edsa.c
@@ -178,6 +178,7 @@ static int edsa_rcv(struct sk_buff *skb, struct net_device *dev,
 
         skb->dev = ds->ports[source_port];
         skb_push(skb, ETH_HLEN);
+        skb->pkt_type = PACKET_HOST;
         skb->protocol = eth_type_trans(skb, skb->dev);
 
         skb->dev->last_rx = jiffies;
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index d3117764b2c2..efd26697e716 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -95,6 +95,7 @@ static int trailer_rcv(struct sk_buff *skb, struct net_device *dev,
 
         skb->dev = ds->ports[source_port];
         skb_push(skb, ETH_HLEN);
+        skb->pkt_type = PACKET_HOST;
         skb->protocol = eth_type_trans(skb, skb->dev);
 
         skb->dev->last_rx = jiffies;
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 8f5a403f6f6b..a631a1f110ca 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -237,43 +237,45 @@ static const struct snmp_mib snmp4_net_list[] = {
         SNMP_MIB_SENTINEL
 };
 
+static void icmpmsg_put_line(struct seq_file *seq, unsigned long *vals,
+                             unsigned short *type, int count)
+{
+        int j;
+
+        if (count) {
+                seq_printf(seq, "\nIcmpMsg:");
+                for (j = 0; j < count; ++j)
+                        seq_printf(seq, " %sType%u",
+                                type[j] & 0x100 ? "Out" : "In",
+                                type[j] & 0xff);
+                seq_printf(seq, "\nIcmpMsg:");
+                for (j = 0; j < count; ++j)
+                        seq_printf(seq, " %lu", vals[j]);
+        }
+}
+
 static void icmpmsg_put(struct seq_file *seq)
 {
 #define PERLINE 16
 
-        int j, i, count;
-        static int out[PERLINE];
+        int i, count;
+        unsigned short type[PERLINE];
+        unsigned long vals[PERLINE], val;
         struct net *net = seq->private;
 
         count = 0;
         for (i = 0; i < ICMPMSG_MIB_MAX; i++) {
-
-                if (snmp_fold_field((void **) net->mib.icmpmsg_statistics, i))
-                        out[count++] = i;
-                if (count < PERLINE)
-                        continue;
-
-                seq_printf(seq, "\nIcmpMsg:");
-                for (j = 0; j < PERLINE; ++j)
-                        seq_printf(seq, " %sType%u", i & 0x100 ? "Out" : "In",
-                                        i & 0xff);
-                seq_printf(seq, "\nIcmpMsg: ");
-                for (j = 0; j < PERLINE; ++j)
-                        seq_printf(seq, " %lu",
-                                snmp_fold_field((void **) net->mib.icmpmsg_statistics,
-                                out[j]));
-                seq_putc(seq, '\n');
-        }
-        if (count) {
-                seq_printf(seq, "\nIcmpMsg:");
-                for (j = 0; j < count; ++j)
-                        seq_printf(seq, " %sType%u", out[j] & 0x100 ? "Out" :
-                                "In", out[j] & 0xff);
-                seq_printf(seq, "\nIcmpMsg:");
-                for (j = 0; j < count; ++j)
-                        seq_printf(seq, " %lu", snmp_fold_field((void **)
-                                net->mib.icmpmsg_statistics, out[j]));
+                val = snmp_fold_field((void **) net->mib.icmpmsg_statistics, i);
+                if (val) {
+                        type[count] = i;
+                        vals[count++] = val;
+                }
+                if (count == PERLINE) {
+                        icmpmsg_put_line(seq, vals, type, count);
+                        count = 0;
+                }
         }
+        icmpmsg_put_line(seq, vals, type, count);
 
 #undef PERLINE
 }
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index eccb7165a80c..c5aca0bb116a 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1374,8 +1374,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                             sk->sk_state == TCP_CLOSE ||
                             (sk->sk_shutdown & RCV_SHUTDOWN) ||
                             !timeo ||
-                            signal_pending(current) ||
-                            (flags & MSG_PEEK))
+                            signal_pending(current))
                                 break;
                 } else {
                         if (sock_flag(sk, SOCK_DONE))
diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index 07735ed280d7..55dc6beab9aa 100644
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -33,6 +33,7 @@ __xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,
         x->sel.dport_mask = htons(0xffff);
         x->sel.sport = xfrm_flowi_sport(fl);
         x->sel.sport_mask = htons(0xffff);
+        x->sel.family = AF_INET;
         x->sel.prefixlen_d = 32;
         x->sel.prefixlen_s = 32;
         x->sel.proto = fl->proto;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index eea9542728ca..d9da5eb9dcb2 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2483,8 +2483,10 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
                         if (!idev && dev->mtu >= IPV6_MIN_MTU)
                                 idev = ipv6_add_dev(dev);
 
-                        if (idev)
+                        if (idev) {
                                 idev->if_flags |= IF_READY;
+                                run_pending = 1;
+                        }
                 } else {
                         if (!addrconf_qdisc_ok(dev)) {
                                 /* device is still not ready. */
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 182f8a177e7f..52a7eb0e2c2c 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -981,14 +981,15 @@ int __init ip6_mr_init(void)
                 goto proc_cache_fail;
 #endif
         return 0;
-reg_notif_fail:
-        kmem_cache_destroy(mrt_cachep);
 #ifdef CONFIG_PROC_FS
-proc_vif_fail:
-        unregister_netdevice_notifier(&ip6_mr_notifier);
 proc_cache_fail:
         proc_net_remove(&init_net, "ip6_mr_vif");
+proc_vif_fail:
+        unregister_netdevice_notifier(&ip6_mr_notifier);
 #endif
+reg_notif_fail:
+        del_timer(&ipmr_expire_timer);
+        kmem_cache_destroy(mrt_cachep);
         return err;
 }
 
diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c
index 89884a4f23aa..60c78cfc2737 100644
--- a/net/ipv6/xfrm6_state.c
+++ b/net/ipv6/xfrm6_state.c
@@ -34,6 +34,7 @@ __xfrm6_init_tempsel(struct xfrm_state *x, struct flowi *fl,
         x->sel.dport_mask = htons(0xffff);
         x->sel.sport = xfrm_flowi_sport(fl);
         x->sel.sport_mask = htons(0xffff);
+        x->sel.family = AF_INET6;
         x->sel.prefixlen_d = 128;
         x->sel.prefixlen_s = 128;
         x->sel.proto = fl->proto;
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 3440a4637f01..5b22e011653b 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3188,6 +3188,7 @@ static struct xfrm_policy *pfkey_compile_policy(struct sock *sk, int opt,
         return xp;
 
 out:
+        xp->walk.dead = 1;
         xfrm_policy_destroy(xp);
         return NULL;
 }
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 189d0bafa91a..b85c4f27b361 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -199,7 +199,7 @@ static ssize_t sta_agg_status_write(struct file *file,
                 /* toggle Rx aggregation command */
                 tid_num = tid_num - 100;
                 if (tid_static_rx[tid_num] == 1) {
-                        strcpy(state, "off ");
+                        strcpy(state, "off");
                         ieee80211_sta_stop_rx_ba_session(sta->sdata, da, tid_num, 0,
                                         WLAN_REASON_QSTA_REQUIRE_SETUP);
                         sta->ampdu_mlme.tid_state_rx[tid_num] |=
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index 02ddc2b3ce2e..e90d52f199bc 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -713,7 +713,8 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
         iph                     =       ipv6_hdr(skb);
         iph->version            =       6;
         iph->nexthdr            =       IPPROTO_IPV6;
-        iph->payload_len        =       old_iph->payload_len + sizeof(old_iph);
+        iph->payload_len        =       old_iph->payload_len;
+        be16_add_cpu(&iph->payload_len, sizeof(*old_iph));
         iph->priority           =       old_iph->priority;
         memset(&iph->flow_lbl, 0, sizeof(iph->flow_lbl));
         iph->daddr              =       rt->rt6i_dst.addr;
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 9c06b9f86ad4..c39b6a994133 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -21,6 +21,7 @@
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/rculist.h>
+#include <linux/rtnetlink.h>
 
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_l3proto.h>
@@ -167,10 +168,12 @@ void nf_conntrack_helper_unregister(struct nf_conntrack_helper *me)
          */
         synchronize_rcu();
 
+        rtnl_lock();
         spin_lock_bh(&nf_conntrack_lock);
         for_each_net(net)
                 __nf_conntrack_helper_unregister(me, net);
         spin_unlock_bh(&nf_conntrack_lock);
+        rtnl_unlock();
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_helper_unregister);
 
diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c
index a59a307e685d..592d73344d46 100644
--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -22,6 +22,7 @@
 #include <linux/notifier.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
 
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_l3proto.h>
@@ -221,8 +222,10 @@ void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto)
         synchronize_rcu();
 
         /* Remove all contrack entries for this protocol */
+        rtnl_lock();
         for_each_net(net)
                 nf_ct_iterate_cleanup(net, kill_l3proto, proto);
+        rtnl_unlock();
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_l3proto_unregister);
 
@@ -333,8 +336,10 @@ void nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *l4proto)
         synchronize_rcu();
 
         /* Remove all contrack entries for this protocol */
+        rtnl_lock();
         for_each_net(net)
                 nf_ct_iterate_cleanup(net, kill_l4proto, l4proto);
+        rtnl_unlock();
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_unregister);
 
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index f949a482b007..25ba3bd57e66 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -603,7 +603,7 @@ static int rfkill_check_duplicity(const struct rfkill *rfkill)
         }
 
         /* 0: first switch of its kind */
-        return test_bit(rfkill->type, seen);
+        return (test_bit(rfkill->type, seen)) ? 1 : 0;
 }
 
 static int rfkill_add_switch(struct rfkill *rfkill)
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 4d3c6071b9a4..eb90f77bb0e2 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1302,14 +1302,23 @@ static void unix_destruct_fds(struct sk_buff *skb)
         sock_wfree(skb);
 }
 
-static void unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb)
+static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb)
 {
         int i;
+
+        /*
+         * Need to duplicate file references for the sake of garbage
+         * collection.  Otherwise a socket in the fps might become a
+         * candidate for GC while the skb is not yet queued.
+         */
+        UNIXCB(skb).fp = scm_fp_dup(scm->fp);
+        if (!UNIXCB(skb).fp)
+                return -ENOMEM;
+
         for (i=scm->fp->count-1; i>=0; i--)
                 unix_inflight(scm->fp->fp[i]);
-        UNIXCB(skb).fp = scm->fp;
         skb->destructor = unix_destruct_fds;
-        scm->fp = NULL;
+        return 0;
 }
 
 /*
@@ -1368,8 +1377,11 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
                 goto out;
 
         memcpy(UNIXCREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
-        if (siocb->scm->fp)
-                unix_attach_fds(siocb->scm, skb);
+        if (siocb->scm->fp) {
+                err = unix_attach_fds(siocb->scm, skb);
+                if (err)
+                        goto out_free;
+        }
         unix_get_secdata(siocb->scm, skb);
 
         skb_reset_transport_header(skb);
@@ -1538,8 +1550,13 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
                 size = min_t(int, size, skb_tailroom(skb));
 
                 memcpy(UNIXCREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
-                if (siocb->scm->fp)
-                        unix_attach_fds(siocb->scm, skb);
+                if (siocb->scm->fp) {
+                        err = unix_attach_fds(siocb->scm, skb);
+                        if (err) {
+                                kfree_skb(skb);
+                                goto out_err;
+                        }
+                }
 
                 if ((err = memcpy_fromiovec(skb_put(skb,size), msg->msg_iov, size)) != 0) {
                         kfree_skb(skb);
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index 2a27b84f740b..6d4a9a8de5ef 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -186,8 +186,17 @@ static void scan_inflight(struct sock *x, void (*func)(struct unix_sock *),
                                  */
                                 struct sock *sk = unix_get_socket(*fp++);
                                 if (sk) {
-                                        hit = true;
-                                        func(unix_sk(sk));
+                                        struct unix_sock *u = unix_sk(sk);
+
+                                        /*
+                                         * Ignore non-candidates, they could
+                                         * have been added to the queues after
+                                         * starting the garbage collection
+                                         */
+                                        if (u->gc_candidate) {
+                                                hit = true;
+                                                func(u);
+                                        }
                                 }
                         }
                         if (hit && hitlist != NULL) {
@@ -249,11 +258,11 @@ static void inc_inflight_move_tail(struct unix_sock *u)
 {
         atomic_long_inc(&u->inflight);
         /*
-         * If this is still a candidate, move it to the end of the
-         * list, so that it's checked even if it was already passed
-         * over
+         * If this still might be part of a cycle, move it to the end
+         * of the list, so that it's checked even if it was already
+         * passed over
          */
-        if (u->gc_candidate)
+        if (u->gc_maybe_cycle)
                 list_move_tail(&u->link, &gc_candidates);
 }
 
@@ -267,6 +276,7 @@ void unix_gc(void)
         struct unix_sock *next;
         struct sk_buff_head hitlist;
         struct list_head cursor;
+        LIST_HEAD(not_cycle_list);
 
         spin_lock(&unix_gc_lock);
 
@@ -282,10 +292,14 @@ void unix_gc(void)
          *
          * Holding unix_gc_lock will protect these candidates from
          * being detached, and hence from gaining an external
-         * reference.  This also means, that since there are no
-         * possible receivers, the receive queues of these sockets are
-         * static during the GC, even though the dequeue is done
-         * before the detach without atomicity guarantees.
+         * reference.  Since there are no possible receivers, all
+         * buffers currently on the candidates' queues stay there
+         * during the garbage collection.
+         *
+         * We also know that no new candidate can be added onto the
+         * receive queues.  Other, non candidate sockets _can_ be
+         * added to queue, so we must make sure only to touch
+         * candidates.
          */
         list_for_each_entry_safe(u, next, &gc_inflight_list, link) {
                 long total_refs;
@@ -299,6 +313,7 @@ void unix_gc(void)
                 if (total_refs == inflight_refs) {
                         list_move_tail(&u->link, &gc_candidates);
                         u->gc_candidate = 1;
+                        u->gc_maybe_cycle = 1;
                 }
         }
 
@@ -325,14 +340,24 @@ void unix_gc(void)
                 list_move(&cursor, &u->link);
 
                 if (atomic_long_read(&u->inflight) > 0) {
-                        list_move_tail(&u->link, &gc_inflight_list);
-                        u->gc_candidate = 0;
+                        list_move_tail(&u->link, &not_cycle_list);
+                        u->gc_maybe_cycle = 0;
                         scan_children(&u->sk, inc_inflight_move_tail, NULL);
                 }
         }
         list_del(&cursor);
 
         /*
+         * not_cycle_list contains those sockets which do not make up a
+         * cycle.  Restore these to the inflight list.
+         */
+        while (!list_empty(&not_cycle_list)) {
+                u = list_entry(not_cycle_list.next, struct unix_sock, link);
+                u->gc_candidate = 0;
+                list_move_tail(&u->link, &gc_inflight_list);
+        }
+
+        /*
          * Now gc_candidates contains only garbage.  Restore original
          * inflight counters for these as well, and remove the skbuffs
          * which are creating the cycle(s).