Merge 2.6.38-rc6 into tty-next

This was to resolve a merge issue with drivers/char/Makefile and
drivers/tty/serial/68328serial.c

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

39 files changed, 431 insertions, 126 deletions

diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index ee41fef04b21..d1a611322549 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -50,12 +50,12 @@ static struct sk_buff *frag_merge_packet(struct list_head *head,
                 skb = tfp->skb;
         }
 
+        if (skb_linearize(skb) < 0 || skb_linearize(tmp_skb) < 0)
+                goto err;
+
         skb_pull(tmp_skb, sizeof(struct unicast_frag_packet));
-        if (pskb_expand_head(skb, 0, tmp_skb->len, GFP_ATOMIC) < 0) {
-                /* free buffered skb, skb will be freed later */
-                kfree_skb(tfp->skb);
-                return NULL;
-        }
+        if (pskb_expand_head(skb, 0, tmp_skb->len, GFP_ATOMIC) < 0)
+                goto err;
 
         /* move free entry to end */
         tfp->skb = NULL;
@@ -70,6 +70,11 @@ static struct sk_buff *frag_merge_packet(struct list_head *head,
         unicast_packet->packet_type = BAT_UNICAST;
 
         return skb;
+
+err:
+        /* free buffered skb, skb will be freed later */
+        kfree_skb(tfp->skb);
+        return NULL;
 }
 
 static void frag_create_entry(struct list_head *head, struct sk_buff *skb)
diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c
index cd4c4231fa48..de1022cacaf7 100644
--- a/net/batman-adv/vis.c
+++ b/net/batman-adv/vis.c
@@ -64,6 +64,7 @@ static void free_info(struct kref *ref)
 
         spin_unlock_bh(&bat_priv->vis_list_lock);
         kfree_skb(info->skb_packet);
+        kfree(info);
 }
 
 /* Compare two vis packets, used by the hashing algorithm */
@@ -268,10 +269,10 @@ int vis_seq_print_text(struct seq_file *seq, void *offset)
                                 buff_pos += sprintf(buff + buff_pos, "%pM,",
                                                 entry->addr);
 
-                                for (i = 0; i < packet->entries; i++)
+                                for (j = 0; j < packet->entries; j++)
                                         buff_pos += vis_data_read_entry(
                                                         buff + buff_pos,
-                                                        &entries[i],
+                                                        &entries[j],
                                                         entry->addr,
                                                         entry->primary);
 
@@ -444,7 +445,7 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv,
                               info);
         if (hash_added < 0) {
                 /* did not work (for some reason) */
-                kref_put(&old_info->refcount, free_info);
+                kref_put(&info->refcount, free_info);
                 info = NULL;
         }
 
@@ -815,7 +816,7 @@ static void send_vis_packets(struct work_struct *work)
                 container_of(work, struct delayed_work, work);
         struct bat_priv *bat_priv =
                 container_of(delayed_work, struct bat_priv, vis_work);
-        struct vis_info *info, *temp;
+        struct vis_info *info;
 
         spin_lock_bh(&bat_priv->vis_hash_lock);
         purge_vis_packets(bat_priv);
@@ -825,8 +826,9 @@ static void send_vis_packets(struct work_struct *work)
                 send_list_add(bat_priv, bat_priv->my_vis_info);
         }
 
-        list_for_each_entry_safe(info, temp, &bat_priv->vis_send_list,
-                                 send_list) {
+        while (!list_empty(&bat_priv->vis_send_list)) {
+                info = list_first_entry(&bat_priv->vis_send_list,
+                                        typeof(*info), send_list);
 
                 kref_get(&info->refcount);
                 spin_unlock_bh(&bat_priv->vis_hash_lock);
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 7550abb0c96a..675614e38e14 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -859,6 +859,7 @@ static void __l2cap_sock_close(struct sock *sk, int reason)
                                 result = L2CAP_CR_SEC_BLOCK;
                         else
                                 result = L2CAP_CR_BAD_PSM;
+                        sk->sk_state = BT_DISCONN;
 
                         rsp.scid   = cpu_to_le16(l2cap_pi(sk)->dcid);
                         rsp.dcid   = cpu_to_le16(l2cap_pi(sk)->scid);
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 2872393b2939..88485cc74dc3 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -328,12 +328,12 @@ static struct net_bridge_fdb_entry *fdb_create(struct hlist_head *head,
         fdb = kmem_cache_alloc(br_fdb_cache, GFP_ATOMIC);
         if (fdb) {
                 memcpy(fdb->addr.addr, addr, ETH_ALEN);
-                hlist_add_head_rcu(&fdb->hlist, head);
-
                 fdb->dst = source;
                 fdb->is_local = is_local;
                 fdb->is_static = is_local;
                 fdb->ageing_timer = jiffies;
+
+                hlist_add_head_rcu(&fdb->hlist, head);
         }
         return fdb;
 }
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 6f6d8e1b776f..88e4aa9cb1f9 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -80,7 +80,7 @@ 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_MROUTERS_ONLY(skb)) {
-                        if ((mdst && !hlist_unhashed(&mdst->mglist)) ||
+                        if ((mdst && mdst->mglist) ||
                             br_multicast_is_router(br))
                                 skb2 = skb;
                         br_multicast_forward(mdst, skb, skb2);
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index f701a21acb34..09d5c0987925 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -232,8 +232,7 @@ static void br_multicast_group_expired(unsigned long data)
         if (!netif_running(br->dev) || timer_pending(&mp->timer))
                 goto out;
 
-        if (!hlist_unhashed(&mp->mglist))
-                hlist_del_init(&mp->mglist);
+        mp->mglist = false;
 
         if (mp->ports)
                 goto out;
@@ -276,7 +275,7 @@ static void br_multicast_del_pg(struct net_bridge *br,
                 del_timer(&p->query_timer);
                 call_rcu_bh(&p->rcu, br_multicast_free_pg);
 
-                if (!mp->ports && hlist_unhashed(&mp->mglist) &&
+                if (!mp->ports && !mp->mglist &&
                     netif_running(br->dev))
                         mod_timer(&mp->timer, jiffies);
 
@@ -528,7 +527,7 @@ static void br_multicast_group_query_expired(unsigned long data)
         struct net_bridge *br = mp->br;
 
         spin_lock(&br->multicast_lock);
-        if (!netif_running(br->dev) || hlist_unhashed(&mp->mglist) ||
+        if (!netif_running(br->dev) || !mp->mglist ||
             mp->queries_sent >= br->multicast_last_member_count)
                 goto out;
 
@@ -719,7 +718,7 @@ static int br_multicast_add_group(struct net_bridge *br,
                 goto err;
 
         if (!port) {
-                hlist_add_head(&mp->mglist, &br->mglist);
+                mp->mglist = true;
                 mod_timer(&mp->timer, now + br->multicast_membership_interval);
                 goto out;
         }
@@ -1165,7 +1164,7 @@ static int br_ip4_multicast_query(struct net_bridge *br,
 
         max_delay *= br->multicast_last_member_count;
 
-        if (!hlist_unhashed(&mp->mglist) &&
+        if (mp->mglist &&
             (timer_pending(&mp->timer) ?
              time_after(mp->timer.expires, now + max_delay) :
              try_to_del_timer_sync(&mp->timer) >= 0))
@@ -1177,7 +1176,7 @@ static int br_ip4_multicast_query(struct net_bridge *br,
                 if (timer_pending(&p->timer) ?
                     time_after(p->timer.expires, now + max_delay) :
                     try_to_del_timer_sync(&p->timer) >= 0)
-                        mod_timer(&mp->timer, now + max_delay);
+                        mod_timer(&p->timer, now + max_delay);
         }
 
 out:
@@ -1236,7 +1235,7 @@ static int br_ip6_multicast_query(struct net_bridge *br,
                 goto out;
 
         max_delay *= br->multicast_last_member_count;
-        if (!hlist_unhashed(&mp->mglist) &&
+        if (mp->mglist &&
             (timer_pending(&mp->timer) ?
              time_after(mp->timer.expires, now + max_delay) :
              try_to_del_timer_sync(&mp->timer) >= 0))
@@ -1248,7 +1247,7 @@ static int br_ip6_multicast_query(struct net_bridge *br,
                 if (timer_pending(&p->timer) ?
                     time_after(p->timer.expires, now + max_delay) :
                     try_to_del_timer_sync(&p->timer) >= 0)
-                        mod_timer(&mp->timer, now + max_delay);
+                        mod_timer(&p->timer, now + max_delay);
         }
 
 out:
@@ -1283,7 +1282,7 @@ static void br_multicast_leave_group(struct net_bridge *br,
                      br->multicast_last_member_interval;
 
         if (!port) {
-                if (!hlist_unhashed(&mp->mglist) &&
+                if (mp->mglist &&
                     (timer_pending(&mp->timer) ?
                      time_after(mp->timer.expires, time) :
                      try_to_del_timer_sync(&mp->timer) >= 0)) {
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 84aac7734bfc..4e1b620b6be6 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -84,13 +84,13 @@ struct net_bridge_port_group {
 struct net_bridge_mdb_entry
 {
         struct hlist_node               hlist[2];
-        struct hlist_node               mglist;
         struct net_bridge               *br;
         struct net_bridge_port_group __rcu *ports;
         struct rcu_head                 rcu;
         struct timer_list               timer;
         struct timer_list               query_timer;
         struct br_ip                    addr;
+        bool                            mglist;
         u32                             queries_sent;
 };
 
@@ -238,7 +238,6 @@ struct net_bridge
         spinlock_t                      multicast_lock;
         struct net_bridge_mdb_htable __rcu *mdb;
         struct hlist_head               router_list;
-        struct hlist_head               mglist;
 
         struct timer_list               multicast_router_timer;
         struct timer_list               multicast_querier_timer;
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index fa9dab372b68..6008d6dc18a0 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -394,9 +394,7 @@ static void ipcaif_net_setup(struct net_device *dev)
         priv->conn_req.sockaddr.u.dgm.connection_id = -1;
         priv->flowenabled = false;
 
-        ASSERT_RTNL();
         init_waitqueue_head(&priv->netmgmt_wq);
-        list_add(&priv->list_field, &chnl_net_list);
 }
 
 
@@ -453,6 +451,8 @@ static int ipcaif_newlink(struct net *src_net, struct net_device *dev,
         ret = register_netdevice(dev);
         if (ret)
                 pr_warn("device rtml registration failed\n");
+        else
+                list_add(&caifdev->list_field, &chnl_net_list);
         return ret;
 }
 
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index dff633d62e5b..35b36b86d762 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -252,8 +252,12 @@ static int ceph_tcp_recvmsg(struct socket *sock, void *buf, size_t len)
 {
         struct kvec iov = {buf, len};
         struct msghdr msg = { .msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL };
+        int r;
 
-        return kernel_recvmsg(sock, &msg, &iov, 1, len, msg.msg_flags);
+        r = kernel_recvmsg(sock, &msg, &iov, 1, len, msg.msg_flags);
+        if (r == -EAGAIN)
+                r = 0;
+        return r;
 }
 
 /*
@@ -264,13 +268,17 @@ static int ceph_tcp_sendmsg(struct socket *sock, struct kvec *iov,
                      size_t kvlen, size_t len, int more)
 {
         struct msghdr msg = { .msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL };
+        int r;
 
         if (more)
                 msg.msg_flags |= MSG_MORE;
         else
                 msg.msg_flags |= MSG_EOR;  /* superfluous, but what the hell */
 
-        return kernel_sendmsg(sock, &msg, iov, kvlen, len);
+        r = kernel_sendmsg(sock, &msg, iov, kvlen, len);
+        if (r == -EAGAIN)
+                r = 0;
+        return r;
 }
 
 
@@ -847,6 +855,8 @@ static int write_partial_msg_pages(struct ceph_connection *con)
                     (msg->pages || msg->pagelist || msg->bio || in_trail))
                         kunmap(page);
 
+                if (ret == -EAGAIN)
+                        ret = 0;
                 if (ret <= 0)
                         goto out;
 
@@ -1737,16 +1747,12 @@ more_kvec:
         if (con->out_skip) {
                 ret = write_partial_skip(con);
                 if (ret <= 0)
-                        goto done;
-                if (ret < 0) {
-                        dout("try_write write_partial_skip err %d\n", ret);
-                        goto done;
-                }
+                        goto out;
         }
         if (con->out_kvec_left) {
                 ret = write_partial_kvec(con);
                 if (ret <= 0)
-                        goto done;
+                        goto out;
         }
 
         /* msg pages? */
@@ -1761,11 +1767,11 @@ more_kvec:
                 if (ret == 1)
                         goto more_kvec;  /* we need to send the footer, too! */
                 if (ret == 0)
-                        goto done;
+                        goto out;
                 if (ret < 0) {
                         dout("try_write write_partial_msg_pages err %d\n",
                              ret);
-                        goto done;
+                        goto out;
                 }
         }
 
@@ -1789,10 +1795,9 @@ do_next:
         /* Nothing to do! */
         clear_bit(WRITE_PENDING, &con->state);
         dout("try_write nothing else to write.\n");
-done:
         ret = 0;
 out:
-        dout("try_write done on %p\n", con);
+        dout("try_write done on %p ret %d\n", con, ret);
         return ret;
 }
 
@@ -1821,19 +1826,17 @@ more:
                         dout("try_read connecting\n");
                         ret = read_partial_banner(con);
                         if (ret <= 0)
-                                goto done;
-                        if (process_banner(con) < 0) {
-                                ret = -1;
                                 goto out;
-                        }
+                        ret = process_banner(con);
+                        if (ret < 0)
+                                goto out;
                 }
                 ret = read_partial_connect(con);
                 if (ret <= 0)
-                        goto done;
-                if (process_connect(con) < 0) {
-                        ret = -1;
                         goto out;
-                }
+                ret = process_connect(con);
+                if (ret < 0)
+                        goto out;
                 goto more;
         }
 
@@ -1848,7 +1851,7 @@ more:
                 dout("skipping %d / %d bytes\n", skip, -con->in_base_pos);
                 ret = ceph_tcp_recvmsg(con->sock, buf, skip);
                 if (ret <= 0)
-                        goto done;
+                        goto out;
                 con->in_base_pos += ret;
                 if (con->in_base_pos)
                         goto more;
@@ -1859,7 +1862,7 @@ more:
                  */
                 ret = ceph_tcp_recvmsg(con->sock, &con->in_tag, 1);
                 if (ret <= 0)
-                        goto done;
+                        goto out;
                 dout("try_read got tag %d\n", (int)con->in_tag);
                 switch (con->in_tag) {
                 case CEPH_MSGR_TAG_MSG:
@@ -1870,7 +1873,7 @@ more:
                         break;
                 case CEPH_MSGR_TAG_CLOSE:
                         set_bit(CLOSED, &con->state);   /* fixme */
-                        goto done;
+                        goto out;
                 default:
                         goto bad_tag;
                 }
@@ -1882,13 +1885,12 @@ more:
                         case -EBADMSG:
                                 con->error_msg = "bad crc";
                                 ret = -EIO;
-                                goto out;
+                                break;
                         case -EIO:
                                 con->error_msg = "io error";
-                                goto out;
-                        default:
-                                goto done;
+                                break;
                         }
+                        goto out;
                 }
                 if (con->in_tag == CEPH_MSGR_TAG_READY)
                         goto more;
@@ -1898,15 +1900,13 @@ more:
         if (con->in_tag == CEPH_MSGR_TAG_ACK) {
                 ret = read_partial_ack(con);
                 if (ret <= 0)
-                        goto done;
+                        goto out;
                 process_ack(con);
                 goto more;
         }
 
-done:
-        ret = 0;
 out:
-        dout("try_read done on %p\n", con);
+        dout("try_read done on %p ret %d\n", con, ret);
         return ret;
 
 bad_tag:
diff --git a/net/core/dev.c b/net/core/dev.c
index 24ea2d71e7ea..8ae6631abcc2 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1280,10 +1280,13 @@ static int __dev_close_many(struct list_head *head)
 
 static int __dev_close(struct net_device *dev)
 {
+        int retval;
         LIST_HEAD(single);
 
         list_add(&dev->unreg_list, &single);
-        return __dev_close_many(&single);
+        retval = __dev_close_many(&single);
+        list_del(&single);
+        return retval;
 }
 
 int dev_close_many(struct list_head *head)
@@ -1325,7 +1328,7 @@ int dev_close(struct net_device *dev)
 
         list_add(&dev->unreg_list, &single);
         dev_close_many(&single);
-
+        list_del(&single);
         return 0;
 }
 EXPORT_SYMBOL(dev_close);
@@ -2563,7 +2566,8 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
 
         map = rcu_dereference(rxqueue->rps_map);
         if (map) {
-                if (map->len == 1) {
+                if (map->len == 1 &&
+                    !rcu_dereference_raw(rxqueue->rps_flow_table)) {
                         tcpu = map->cpus[0];
                         if (cpu_online(tcpu))
                                 cpu = tcpu;
@@ -3424,6 +3428,8 @@ static void napi_reuse_skb(struct napi_struct *napi, struct sk_buff *skb)
         __skb_pull(skb, skb_headlen(skb));
         skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb));
         skb->vlan_tci = 0;
+        skb->dev = napi->dev;
+        skb->skb_iif = 0;
 
         napi->skb = skb;
 }
@@ -5060,6 +5066,7 @@ static void rollback_registered(struct net_device *dev)
 
         list_add(&dev->unreg_list, &single);
         rollback_registered_many(&single);
+        list_del(&single);
 }
 
 unsigned long netdev_fix_features(unsigned long features, const char *name)
@@ -5657,30 +5664,35 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
 
         dev_net_set(dev, &init_net);
 
+        dev->gso_max_size = GSO_MAX_SIZE;
+
+        INIT_LIST_HEAD(&dev->ethtool_ntuple_list.list);
+        dev->ethtool_ntuple_list.count = 0;
+        INIT_LIST_HEAD(&dev->napi_list);
+        INIT_LIST_HEAD(&dev->unreg_list);
+        INIT_LIST_HEAD(&dev->link_watch_list);
+        dev->priv_flags = IFF_XMIT_DST_RELEASE;
+        setup(dev);
+
         dev->num_tx_queues = txqs;
         dev->real_num_tx_queues = txqs;
         if (netif_alloc_netdev_queues(dev))
-                goto free_pcpu;
+                goto free_all;
 
 #ifdef CONFIG_RPS
         dev->num_rx_queues = rxqs;
         dev->real_num_rx_queues = rxqs;
         if (netif_alloc_rx_queues(dev))
-                goto free_pcpu;
+                goto free_all;
 #endif
 
-        dev->gso_max_size = GSO_MAX_SIZE;
-
-        INIT_LIST_HEAD(&dev->ethtool_ntuple_list.list);
-        dev->ethtool_ntuple_list.count = 0;
-        INIT_LIST_HEAD(&dev->napi_list);
-        INIT_LIST_HEAD(&dev->unreg_list);
-        INIT_LIST_HEAD(&dev->link_watch_list);
-        dev->priv_flags = IFF_XMIT_DST_RELEASE;
-        setup(dev);
         strcpy(dev->name, name);
         return dev;
 
+free_all:
+        free_netdev(dev);
+        return NULL;
+
 free_pcpu:
         free_percpu(dev->pcpu_refcnt);
         kfree(dev->_tx);
@@ -6208,6 +6220,7 @@ static void __net_exit default_device_exit_batch(struct list_head *net_list)
                 }
         }
         unregister_netdevice_many(&dev_kill_list);
+        list_del(&dev_kill_list);
         rtnl_unlock();
 }
 
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 750db57f3bb3..2d65c6bb24c1 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1121,8 +1121,7 @@ static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
                                 return -EOPNOTSUPP;
 
                         if (af_ops->validate_link_af) {
-                                err = af_ops->validate_link_af(dev,
-                                                        tb[IFLA_AF_SPEC]);
+                                err = af_ops->validate_link_af(dev, af);
                                 if (err < 0)
                                         return err;
                         }
@@ -1672,6 +1671,9 @@ replay:
                         snprintf(ifname, IFNAMSIZ, "%s%%d", ops->kind);
 
                 dest_net = rtnl_link_get_net(net, tb);
+                if (IS_ERR(dest_net))
+                        return PTR_ERR(dest_net);
+
                 dev = rtnl_create_link(net, dest_net, ifname, ops, tb);
 
                 if (IS_ERR(dev))
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 7cd1bc86d591..d883dcc78b6b 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -210,6 +210,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
         shinfo = skb_shinfo(skb);
         memset(shinfo, 0, offsetof(struct skb_shared_info, dataref));
         atomic_set(&shinfo->dataref, 1);
+        kmemcheck_annotate_variable(shinfo->destructor_arg);
 
         if (fclone) {
                 struct sk_buff *child = skb + 1;
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 6b03f561caec..d5074a567289 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -626,6 +626,9 @@ static int dcbnl_getapp(struct net_device *netdev, struct nlattr **tb,
         dcb->cmd = DCB_CMD_GAPP;
 
         app_nest = nla_nest_start(dcbnl_skb, DCB_ATTR_APP);
+        if (!app_nest)
+                goto out_cancel;
+
         ret = nla_put_u8(dcbnl_skb, DCB_APP_ATTR_IDTYPE, idtype);
         if (ret)
                 goto out_cancel;
@@ -1613,6 +1616,10 @@ EXPORT_SYMBOL(dcb_getapp);
 u8 dcb_setapp(struct net_device *dev, struct dcb_app *new)
 {
         struct dcb_app_type *itr;
+        struct dcb_app_type event;
+
+        memcpy(&event.name, dev->name, sizeof(event.name));
+        memcpy(&event.app, new, sizeof(event.app));
 
         spin_lock(&dcb_lock);
         /* Search for existing match and replace */
@@ -1644,7 +1651,7 @@ u8 dcb_setapp(struct net_device *dev, struct dcb_app *new)
         }
 out:
         spin_unlock(&dcb_lock);
-        call_dcbevent_notifiers(DCB_APP_EVENT, new);
+        call_dcbevent_notifiers(DCB_APP_EVENT, &event);
         return 0;
 }
 EXPORT_SYMBOL(dcb_setapp);
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 15dcc1a586b4..0c2826337919 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -265,13 +265,13 @@ static void ec_tx_done(struct sk_buff *skb, int result)
 static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
                           struct msghdr *msg, size_t len)
 {
-        struct sock *sk = sock->sk;
         struct sockaddr_ec *saddr=(struct sockaddr_ec *)msg->msg_name;
         struct net_device *dev;
         struct ec_addr addr;
         int err;
         unsigned char port, cb;
 #if defined(CONFIG_ECONET_AUNUDP) || defined(CONFIG_ECONET_NATIVE)
+        struct sock *sk = sock->sk;
         struct sk_buff *skb;
         struct ec_cb *eb;
 #endif
@@ -488,10 +488,10 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
 
 error_free_buf:
         vfree(userbuf);
+error:
 #else
         err = -EPROTOTYPE;
 #endif
-        error:
         mutex_unlock(&econet_mutex);
 
         return err;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index f2b61107df6c..45b89d7bda5a 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -880,6 +880,19 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 }
 EXPORT_SYMBOL(inet_ioctl);
 
+#ifdef CONFIG_COMPAT
+int inet_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+        struct sock *sk = sock->sk;
+        int err = -ENOIOCTLCMD;
+
+        if (sk->sk_prot->compat_ioctl)
+                err = sk->sk_prot->compat_ioctl(sk, cmd, arg);
+
+        return err;
+}
+#endif
+
 const struct proto_ops inet_stream_ops = {
         .family            = PF_INET,
         .owner             = THIS_MODULE,
@@ -903,6 +916,7 @@ const struct proto_ops inet_stream_ops = {
 #ifdef CONFIG_COMPAT
         .compat_setsockopt = compat_sock_common_setsockopt,
         .compat_getsockopt = compat_sock_common_getsockopt,
+        .compat_ioctl      = inet_compat_ioctl,
 #endif
 };
 EXPORT_SYMBOL(inet_stream_ops);
@@ -929,6 +943,7 @@ const struct proto_ops inet_dgram_ops = {
 #ifdef CONFIG_COMPAT
         .compat_setsockopt = compat_sock_common_setsockopt,
         .compat_getsockopt = compat_sock_common_getsockopt,
+        .compat_ioctl      = inet_compat_ioctl,
 #endif
 };
 EXPORT_SYMBOL(inet_dgram_ops);
@@ -959,6 +974,7 @@ static const struct proto_ops inet_sockraw_ops = {
 #ifdef CONFIG_COMPAT
         .compat_setsockopt = compat_sock_common_setsockopt,
         .compat_getsockopt = compat_sock_common_getsockopt,
+        .compat_ioctl      = inet_compat_ioctl,
 #endif
 };
 
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 748cb5b337bd..df4616fce929 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1030,6 +1030,21 @@ static inline bool inetdev_valid_mtu(unsigned mtu)
         return mtu >= 68;
 }
 
+static void inetdev_send_gratuitous_arp(struct net_device *dev,
+                                        struct in_device *in_dev)
+
+{
+        struct in_ifaddr *ifa = in_dev->ifa_list;
+
+        if (!ifa)
+                return;
+
+        arp_send(ARPOP_REQUEST, ETH_P_ARP,
+                 ifa->ifa_address, dev,
+                 ifa->ifa_address, NULL,
+                 dev->dev_addr, NULL);
+}
+
 /* Called only under RTNL semaphore */
 
 static int inetdev_event(struct notifier_block *this, unsigned long event,
@@ -1082,18 +1097,13 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
                 }
                 ip_mc_up(in_dev);
                 /* fall through */
-        case NETDEV_NOTIFY_PEERS:
         case NETDEV_CHANGEADDR:
+                if (!IN_DEV_ARP_NOTIFY(in_dev))
+                        break;
+                /* fall through */
+        case NETDEV_NOTIFY_PEERS:
                 /* Send gratuitous ARP to notify of link change */
-                if (IN_DEV_ARP_NOTIFY(in_dev)) {
-                        struct in_ifaddr *ifa = in_dev->ifa_list;
-
-                        if (ifa)
-                                arp_send(ARPOP_REQUEST, ETH_P_ARP,
-                                         ifa->ifa_address, dev,
-                                         ifa->ifa_address, NULL,
-                                         dev->dev_addr, NULL);
-                }
+                inetdev_send_gratuitous_arp(dev, in_dev);
                 break;
         case NETDEV_DOWN:
                 ip_mc_down(in_dev);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index eb68a0e34e49..6613edfac28c 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -775,6 +775,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
                         .fl4_dst = dst,
                         .fl4_src = tiph->saddr,
                         .fl4_tos = RT_TOS(tos),
+                        .proto = IPPROTO_GRE,
                         .fl_gre_key = tunnel->parms.o_key
                 };
                 if (ip_route_output_key(dev_net(dev), &rt, &fl)) {
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 3f3a9afd73e0..8b65a12654e7 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -60,6 +60,7 @@
 #include <linux/notifier.h>
 #include <linux/if_arp.h>
 #include <linux/netfilter_ipv4.h>
+#include <linux/compat.h>
 #include <net/ipip.h>
 #include <net/checksum.h>
 #include <net/netlink.h>
@@ -1434,6 +1435,81 @@ int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
         }
 }
 
+#ifdef CONFIG_COMPAT
+struct compat_sioc_sg_req {
+        struct in_addr src;
+        struct in_addr grp;
+        compat_ulong_t pktcnt;
+        compat_ulong_t bytecnt;
+        compat_ulong_t wrong_if;
+};
+
+struct compat_sioc_vif_req {
+        vifi_t  vifi;           /* Which iface */
+        compat_ulong_t icount;
+        compat_ulong_t ocount;
+        compat_ulong_t ibytes;
+        compat_ulong_t obytes;
+};
+
+int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg)
+{
+        struct compat_sioc_sg_req sr;
+        struct compat_sioc_vif_req vr;
+        struct vif_device *vif;
+        struct mfc_cache *c;
+        struct net *net = sock_net(sk);
+        struct mr_table *mrt;
+
+        mrt = ipmr_get_table(net, raw_sk(sk)->ipmr_table ? : RT_TABLE_DEFAULT);
+        if (mrt == NULL)
+                return -ENOENT;
+
+        switch (cmd) {
+        case SIOCGETVIFCNT:
+                if (copy_from_user(&vr, arg, sizeof(vr)))
+                        return -EFAULT;
+                if (vr.vifi >= mrt->maxvif)
+                        return -EINVAL;
+                read_lock(&mrt_lock);
+                vif = &mrt->vif_table[vr.vifi];
+                if (VIF_EXISTS(mrt, vr.vifi)) {
+                        vr.icount = vif->pkt_in;
+                        vr.ocount = vif->pkt_out;
+                        vr.ibytes = vif->bytes_in;
+                        vr.obytes = vif->bytes_out;
+                        read_unlock(&mrt_lock);
+
+                        if (copy_to_user(arg, &vr, sizeof(vr)))
+                                return -EFAULT;
+                        return 0;
+                }
+                read_unlock(&mrt_lock);
+                return -EADDRNOTAVAIL;
+        case SIOCGETSGCNT:
+                if (copy_from_user(&sr, arg, sizeof(sr)))
+                        return -EFAULT;
+
+                rcu_read_lock();
+                c = ipmr_cache_find(mrt, sr.src.s_addr, sr.grp.s_addr);
+                if (c) {
+                        sr.pktcnt = c->mfc_un.res.pkt;
+                        sr.bytecnt = c->mfc_un.res.bytes;
+                        sr.wrong_if = c->mfc_un.res.wrong_if;
+                        rcu_read_unlock();
+
+                        if (copy_to_user(arg, &sr, sizeof(sr)))
+                                return -EFAULT;
+                        return 0;
+                }
+                rcu_read_unlock();
+                return -EADDRNOTAVAIL;
+        default:
+                return -ENOIOCTLCMD;
+        }
+}
+#endif
+
 
 static int ipmr_device_event(struct notifier_block *this, unsigned long event, void *ptr)
 {
diff --git a/net/ipv4/netfilter/arpt_mangle.c b/net/ipv4/netfilter/arpt_mangle.c
index b8ddcc480ed9..a5e52a9f0a12 100644
--- a/net/ipv4/netfilter/arpt_mangle.c
+++ b/net/ipv4/netfilter/arpt_mangle.c
@@ -60,12 +60,12 @@ static int checkentry(const struct xt_tgchk_param *par)
 
         if (mangle->flags & ~ARPT_MANGLE_MASK ||
             !(mangle->flags & ARPT_MANGLE_MASK))
-                return false;
+                return -EINVAL;
 
         if (mangle->target != NF_DROP && mangle->target != NF_ACCEPT &&
            mangle->target != XT_CONTINUE)
-                return false;
-        return true;
+                return -EINVAL;
+        return 0;
 }
 
 static struct xt_target arpt_mangle_reg __read_mostly = {
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index a3d5ab786e81..6390ba299b3d 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -76,6 +76,7 @@
 #include <linux/seq_file.h>
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv4.h>
+#include <linux/compat.h>
 
 static struct raw_hashinfo raw_v4_hashinfo = {
         .lock = __RW_LOCK_UNLOCKED(raw_v4_hashinfo.lock),
@@ -838,6 +839,23 @@ static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg)
         }
 }
 
+#ifdef CONFIG_COMPAT
+static int compat_raw_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg)
+{
+        switch (cmd) {
+        case SIOCOUTQ:
+        case SIOCINQ:
+                return -ENOIOCTLCMD;
+        default:
+#ifdef CONFIG_IP_MROUTE
+                return ipmr_compat_ioctl(sk, cmd, compat_ptr(arg));
+#else
+                return -ENOIOCTLCMD;
+#endif
+        }
+}
+#endif
+
 struct proto raw_prot = {
         .name              = "RAW",
         .owner             = THIS_MODULE,
@@ -860,6 +878,7 @@ struct proto raw_prot = {
 #ifdef CONFIG_COMPAT
         .compat_setsockopt = compat_raw_setsockopt,
         .compat_getsockopt = compat_raw_getsockopt,
+        .compat_ioctl      = compat_raw_ioctl,
 #endif
 };
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 351dc4e85242..6ed6603c2f6d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2707,6 +2707,11 @@ static struct dst_entry *ipv4_blackhole_dst_check(struct dst_entry *dst, u32 coo
         return NULL;
 }
 
+static unsigned int ipv4_blackhole_default_mtu(const struct dst_entry *dst)
+{
+        return 0;
+}
+
 static void ipv4_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
 {
 }
@@ -2716,6 +2721,8 @@ static struct dst_ops ipv4_dst_blackhole_ops = {
         .protocol               =       cpu_to_be16(ETH_P_IP),
         .destroy                =       ipv4_dst_destroy,
         .check                  =       ipv4_blackhole_dst_check,
+        .default_mtu            =       ipv4_blackhole_default_mtu,
+        .default_advmss         =       ipv4_default_advmss,
         .update_pmtu            =       ipv4_rt_blackhole_update_pmtu,
 };
 
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 9fab274019c0..0e1d53bcf1e0 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -34,6 +34,7 @@
 #include <linux/seq_file.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/compat.h>
 #include <net/protocol.h>
 #include <linux/skbuff.h>
 #include <net/sock.h>
@@ -1804,6 +1805,80 @@ int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
         }
 }
 
+#ifdef CONFIG_COMPAT
+struct compat_sioc_sg_req6 {
+        struct sockaddr_in6 src;
+        struct sockaddr_in6 grp;
+        compat_ulong_t pktcnt;
+        compat_ulong_t bytecnt;
+        compat_ulong_t wrong_if;
+};
+
+struct compat_sioc_mif_req6 {
+        mifi_t  mifi;
+        compat_ulong_t icount;
+        compat_ulong_t ocount;
+        compat_ulong_t ibytes;
+        compat_ulong_t obytes;
+};
+
+int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg)
+{
+        struct compat_sioc_sg_req6 sr;
+        struct compat_sioc_mif_req6 vr;
+        struct mif_device *vif;
+        struct mfc6_cache *c;
+        struct net *net = sock_net(sk);
+        struct mr6_table *mrt;
+
+        mrt = ip6mr_get_table(net, raw6_sk(sk)->ip6mr_table ? : RT6_TABLE_DFLT);
+        if (mrt == NULL)
+                return -ENOENT;
+
+        switch (cmd) {
+        case SIOCGETMIFCNT_IN6:
+                if (copy_from_user(&vr, arg, sizeof(vr)))
+                        return -EFAULT;
+                if (vr.mifi >= mrt->maxvif)
+                        return -EINVAL;
+                read_lock(&mrt_lock);
+                vif = &mrt->vif6_table[vr.mifi];
+                if (MIF_EXISTS(mrt, vr.mifi)) {
+                        vr.icount = vif->pkt_in;
+                        vr.ocount = vif->pkt_out;
+                        vr.ibytes = vif->bytes_in;
+                        vr.obytes = vif->bytes_out;
+                        read_unlock(&mrt_lock);
+
+                        if (copy_to_user(arg, &vr, sizeof(vr)))
+                                return -EFAULT;
+                        return 0;
+                }
+                read_unlock(&mrt_lock);
+                return -EADDRNOTAVAIL;
+        case SIOCGETSGCNT_IN6:
+                if (copy_from_user(&sr, arg, sizeof(sr)))
+                        return -EFAULT;
+
+                read_lock(&mrt_lock);
+                c = ip6mr_cache_find(mrt, &sr.src.sin6_addr, &sr.grp.sin6_addr);
+                if (c) {
+                        sr.pktcnt = c->mfc_un.res.pkt;
+                        sr.bytecnt = c->mfc_un.res.bytes;
+                        sr.wrong_if = c->mfc_un.res.wrong_if;
+                        read_unlock(&mrt_lock);
+
+                        if (copy_to_user(arg, &sr, sizeof(sr)))
+                                return -EFAULT;
+                        return 0;
+                }
+                read_unlock(&mrt_lock);
+                return -EADDRNOTAVAIL;
+        default:
+                return -ENOIOCTLCMD;
+        }
+}
+#endif
 
 static inline int ip6mr_forward2_finish(struct sk_buff *skb)
 {
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 86c39526ba5e..c5b0915d106b 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -31,6 +31,7 @@
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv6.h>
 #include <linux/skbuff.h>
+#include <linux/compat.h>
 #include <asm/uaccess.h>
 #include <asm/ioctls.h>
 
@@ -1157,6 +1158,23 @@ static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
         }
 }
 
+#ifdef CONFIG_COMPAT
+static int compat_rawv6_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg)
+{
+        switch (cmd) {
+        case SIOCOUTQ:
+        case SIOCINQ:
+                return -ENOIOCTLCMD;
+        default:
+#ifdef CONFIG_IPV6_MROUTE
+                return ip6mr_compat_ioctl(sk, cmd, compat_ptr(arg));
+#else
+                return -ENOIOCTLCMD;
+#endif
+        }
+}
+#endif
+
 static void rawv6_close(struct sock *sk, long timeout)
 {
         if (inet_sk(sk)->inet_num == IPPROTO_RAW)
@@ -1215,6 +1233,7 @@ struct proto rawv6_prot = {
 #ifdef CONFIG_COMPAT
         .compat_setsockopt = compat_rawv6_setsockopt,
         .compat_getsockopt = compat_rawv6_getsockopt,
+        .compat_ioctl      = compat_rawv6_ioctl,
 #endif
 };
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1534508f6c68..a998db6e7895 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -113,6 +113,11 @@ static struct dst_ops ip6_dst_ops_template = {
         .local_out              =       __ip6_local_out,
 };
 
+static unsigned int ip6_blackhole_default_mtu(const struct dst_entry *dst)
+{
+        return 0;
+}
+
 static void ip6_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
 {
 }
@@ -122,6 +127,8 @@ static struct dst_ops ip6_dst_blackhole_ops = {
         .protocol               =       cpu_to_be16(ETH_P_IPV6),
         .destroy                =       ip6_dst_destroy,
         .check                  =       ip6_dst_check,
+        .default_mtu            =       ip6_blackhole_default_mtu,
+        .default_advmss         =       ip6_default_advmss,
         .update_pmtu            =       ip6_rt_blackhole_update_pmtu,
 };
 
@@ -194,7 +201,6 @@ static void ip6_dst_destroy(struct dst_entry *dst)
                 in6_dev_put(idev);
         }
         if (peer) {
-                BUG_ON(!(rt->rt6i_flags & RTF_CACHE));
                 rt->rt6i_peer = NULL;
                 inet_putpeer(peer);
         }
@@ -204,9 +210,6 @@ void rt6_bind_peer(struct rt6_info *rt, int create)
 {
         struct inet_peer *peer;
 
-        if (WARN_ON(!(rt->rt6i_flags & RTF_CACHE)))
-                return;
-
         peer = inet_getpeer_v6(&rt->rt6i_dst.addr, create);
         if (peer && cmpxchg(&rt->rt6i_peer, NULL, peer) != NULL)
                 inet_putpeer(peer);
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index fa1d8f4e0051..7cb65ef79f9c 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -15,6 +15,8 @@
 #include <net/addrconf.h>
 #include <net/inet_frag.h>
 
+static struct ctl_table empty[1];
+
 static ctl_table ipv6_table_template[] = {
         {
                 .procname       = "route",
@@ -35,6 +37,12 @@ static ctl_table ipv6_table_template[] = {
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec
         },
+        {
+                .procname       = "neigh",
+                .maxlen         = 0,
+                .mode           = 0555,
+                .child          = empty,
+        },
         { }
 };
 
@@ -152,7 +160,6 @@ static struct ctl_table_header *ip6_base;
 
 int ipv6_static_sysctl_register(void)
 {
-        static struct ctl_table empty[1];
         ip6_base = register_sysctl_paths(net_ipv6_ctl_path, empty);
         if (ip6_base == NULL)
                 return -ENOMEM;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 4bc8a9250cfd..9cd73b11506e 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1822,6 +1822,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
                 *cookie ^= 2;
                 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
                 local->hw_roc_skb = skb;
+                local->hw_roc_skb_for_status = skb;
                 mutex_unlock(&local->mtx);
 
                 return 0;
@@ -1875,6 +1876,7 @@ static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
                 if (ret == 0) {
                         kfree_skb(local->hw_roc_skb);
                         local->hw_roc_skb = NULL;
+                        local->hw_roc_skb_for_status = NULL;
                 }
 
                 mutex_unlock(&local->mtx);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index c47d7c0e48a4..533fd32f49ff 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -953,7 +953,7 @@ struct ieee80211_local {
 
         struct ieee80211_channel *hw_roc_channel;
         struct net_device *hw_roc_dev;
-        struct sk_buff *hw_roc_skb;
+        struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status;
         struct work_struct hw_roc_start, hw_roc_done;
         enum nl80211_channel_type hw_roc_channel_type;
         unsigned int hw_roc_duration;
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 38a797217a91..071ac95c4aa0 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -323,6 +323,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 
         if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
                 struct ieee80211_work *wk;
+                u64 cookie = (unsigned long)skb;
 
                 rcu_read_lock();
                 list_for_each_entry_rcu(wk, &local->work_list, list) {
@@ -334,8 +335,12 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
                         break;
                 }
                 rcu_read_unlock();
+                if (local->hw_roc_skb_for_status == skb) {
+                        cookie = local->hw_roc_cookie ^ 2;
+                        local->hw_roc_skb_for_status = NULL;
+                }
                 cfg80211_mgmt_tx_status(
-                        skb->dev, (unsigned long) skb, skb->data, skb->len,
+                        skb->dev, cookie, skb->data, skb->len,
                         !!(info->flags & IEEE80211_TX_STAT_ACK), GFP_ATOMIC);
         }
 
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index b64b42bc774b..b0beaa58246b 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1547,7 +1547,7 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
                 skb_orphan(skb);
         }
 
-        if (skb_header_cloned(skb))
+        if (skb_cloned(skb))
                 I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
         else if (head_need || tail_need)
                 I802_DEBUG_INC(local->tx_expand_skb_head);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cf68700abffa..d036597aabbe 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1210,7 +1210,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                 switch (sdata->vif.type) {
                 case NL80211_IFTYPE_STATION:
                         changed |= BSS_CHANGED_ASSOC;
+                        mutex_lock(&sdata->u.mgd.mtx);
                         ieee80211_bss_info_change_notify(sdata, changed);
+                        mutex_unlock(&sdata->u.mgd.mtx);
                         break;
                 case NL80211_IFTYPE_ADHOC:
                         changed |= BSS_CHANGED_IBSS;
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 32fcbe290c04..4aa614b8a96a 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -133,6 +133,7 @@ unsigned int nf_iterate(struct list_head *head,
 
                 /* Optimization: we don't need to hold module
                    reference here, since function can't sleep. --RR */
+repeat:
                 verdict = elem->hook(hook, skb, indev, outdev, okfn);
                 if (verdict != NF_ACCEPT) {
 #ifdef CONFIG_NETFILTER_DEBUG
@@ -145,7 +146,7 @@ unsigned int nf_iterate(struct list_head *head,
 #endif
                         if (verdict != NF_REPEAT)
                                 return verdict;
-                        *i = (*i)->prev;
+                        goto repeat;
                 }
         }
         return NF_ACCEPT;
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index e61511929c66..84f4fcc5884b 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -942,8 +942,15 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
         if (set_reply && !test_and_set_bit(IPS_SEEN_REPLY_BIT, &ct->status))
                 nf_conntrack_event_cache(IPCT_REPLY, ct);
 out:
-        if (tmpl)
-                nf_ct_put(tmpl);
+        if (tmpl) {
+                /* Special case: we have to repeat this hook, assign the
+                 * template again to this packet. We assume that this packet
+                 * has no conntrack assigned. This is used by nf_ct_tcp. */
+                if (ret == NF_REPEAT)
+                        skb->nfct = (struct nf_conntrack *)tmpl;
+                else
+                        nf_ct_put(tmpl);
+        }
 
         return ret;
 }
diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c
index 5702de35e2bb..63a1b915a7e4 100644
--- a/net/netfilter/nf_conntrack_ecache.c
+++ b/net/netfilter/nf_conntrack_ecache.c
@@ -63,6 +63,9 @@ void nf_ct_deliver_cached_events(struct nf_conn *ct)
                  * this does not harm and it happens very rarely. */
                 unsigned long missed = e->missed;
 
+                if (!((events | missed) & e->ctmask))
+                        goto out_unlock;
+
                 ret = notify->fcn(events | missed, &item);
                 if (unlikely(ret < 0 || missed)) {
                         spin_lock_bh(&ct->lock);
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 93297aaceb2b..eead9db6f899 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -667,6 +667,7 @@ restart:
                         if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid,
                                                 cb->nlh->nlmsg_seq,
                                                 IPCTNL_MSG_CT_NEW, ct) < 0) {
+                                nf_conntrack_get(&ct->ct_general);
                                 cb->args[1] = (unsigned long)ct;
                                 goto out;
                         }
diff --git a/net/netfilter/xt_iprange.c b/net/netfilter/xt_iprange.c
index 88f7c3511c72..73c33a42f87f 100644
--- a/net/netfilter/xt_iprange.c
+++ b/net/netfilter/xt_iprange.c
@@ -53,15 +53,13 @@ iprange_mt4(const struct sk_buff *skb, struct xt_action_param *par)
 }
 
 static inline int
-iprange_ipv6_sub(const struct in6_addr *a, const struct in6_addr *b)
+iprange_ipv6_lt(const struct in6_addr *a, const struct in6_addr *b)
 {
         unsigned int i;
-        int r;
 
         for (i = 0; i < 4; ++i) {
-                r = ntohl(a->s6_addr32[i]) - ntohl(b->s6_addr32[i]);
-                if (r != 0)
-                        return r;
+                if (a->s6_addr32[i] != b->s6_addr32[i])
+                        return ntohl(a->s6_addr32[i]) < ntohl(b->s6_addr32[i]);
         }
 
         return 0;
@@ -75,15 +73,15 @@ iprange_mt6(const struct sk_buff *skb, struct xt_action_param *par)
         bool m;
 
         if (info->flags & IPRANGE_SRC) {
-                m  = iprange_ipv6_sub(&iph->saddr, &info->src_min.in6) < 0;
-                m |= iprange_ipv6_sub(&iph->saddr, &info->src_max.in6) > 0;
+                m  = iprange_ipv6_lt(&iph->saddr, &info->src_min.in6);
+                m |= iprange_ipv6_lt(&info->src_max.in6, &iph->saddr);
                 m ^= !!(info->flags & IPRANGE_SRC_INV);
                 if (m)
                         return false;
         }
         if (info->flags & IPRANGE_DST) {
-                m  = iprange_ipv6_sub(&iph->daddr, &info->dst_min.in6) < 0;
-                m |= iprange_ipv6_sub(&iph->daddr, &info->dst_max.in6) > 0;
+                m  = iprange_ipv6_lt(&iph->daddr, &info->dst_min.in6);
+                m |= iprange_ipv6_lt(&info->dst_max.in6, &iph->daddr);
                 m ^= !!(info->flags & IPRANGE_DST_INV);
                 if (m)
                         return false;
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index 55187c8f6420..406207515b5e 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -27,9 +27,19 @@
 #include <net/sock.h>
 #include <net/x25.h>
 
-/*
- * Parse a set of facilities into the facilities structures. Unrecognised
- *      facilities are written to the debug log file.
+/**
+ * x25_parse_facilities - Parse facilities from skb into the facilities structs
+ *
+ * @skb: sk_buff to parse
+ * @facilities: Regular facilites, updated as facilities are found
+ * @dte_facs: ITU DTE facilities, updated as DTE facilities are found
+ * @vc_fac_mask: mask is updated with all facilities found
+ *
+ * Return codes:
+ *  -1 - Parsing error, caller should drop call and clean up
+ *   0 - Parse OK, this skb has no facilities
+ *  >0 - Parse OK, returns the length of the facilities header
+ *
  */
 int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
                 struct x25_dte_facilities *dte_facs, unsigned long *vc_fac_mask)
@@ -62,7 +72,7 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
                 switch (*p & X25_FAC_CLASS_MASK) {
                 case X25_FAC_CLASS_A:
                         if (len < 2)
-                                return 0;
+                                return -1;
                         switch (*p) {
                         case X25_FAC_REVERSE:
                                 if((p[1] & 0x81) == 0x81) {
@@ -107,7 +117,7 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
                         break;
                 case X25_FAC_CLASS_B:
                         if (len < 3)
-                                return 0;
+                                return -1;
                         switch (*p) {
                         case X25_FAC_PACKET_SIZE:
                                 facilities->pacsize_in  = p[1];
@@ -130,7 +140,7 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
                         break;
                 case X25_FAC_CLASS_C:
                         if (len < 4)
-                                return 0;
+                                return -1;
                         printk(KERN_DEBUG "X.25: unknown facility %02X, "
                                "values %02X, %02X, %02X\n",
                                p[0], p[1], p[2], p[3]);
@@ -139,18 +149,18 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
                         break;
                 case X25_FAC_CLASS_D:
                         if (len < p[1] + 2)
-                                return 0;
+                                return -1;
                         switch (*p) {
                         case X25_FAC_CALLING_AE:
                                 if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1)
-                                        return 0;
+                                        return -1;
                                 dte_facs->calling_len = p[2];
                                 memcpy(dte_facs->calling_ae, &p[3], p[1] - 1);
                                 *vc_fac_mask |= X25_MASK_CALLING_AE;
                                 break;
                         case X25_FAC_CALLED_AE:
                                 if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1)
-                                        return 0;
+                                        return -1;
                                 dte_facs->called_len = p[2];
                                 memcpy(dte_facs->called_ae, &p[3], p[1] - 1);
                                 *vc_fac_mask |= X25_MASK_CALLED_AE;
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index f729f022be69..15de65f04719 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -91,10 +91,10 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
 {
         struct x25_address source_addr, dest_addr;
         int len;
+        struct x25_sock *x25 = x25_sk(sk);
 
         switch (frametype) {
                 case X25_CALL_ACCEPTED: {
-                        struct x25_sock *x25 = x25_sk(sk);
 
                         x25_stop_timer(sk);
                         x25->condition = 0x00;
@@ -113,14 +113,16 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
                                                 &dest_addr);
                         if (len > 0)
                                 skb_pull(skb, len);
+                        else if (len < 0)
+                                goto out_clear;
 
                         len = x25_parse_facilities(skb, &x25->facilities,
                                                 &x25->dte_facilities,
                                                 &x25->vc_facil_mask);
                         if (len > 0)
                                 skb_pull(skb, len);
-                        else
-                                return -1;
+                        else if (len < 0)
+                                goto out_clear;
                         /*
                          *      Copy any Call User Data.
                          */
@@ -144,6 +146,12 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
         }
 
         return 0;
+
+out_clear:
+        x25_write_internal(sk, X25_CLEAR_REQUEST);
+        x25->state = X25_STATE_2;
+        x25_start_t23timer(sk);
+        return 0;
 }
 
 /*
diff --git a/net/x25/x25_link.c b/net/x25/x25_link.c
index 4cbc942f762a..21306928d47f 100644
--- a/net/x25/x25_link.c
+++ b/net/x25/x25_link.c
@@ -396,9 +396,12 @@ void __exit x25_link_free(void)
         write_lock_bh(&x25_neigh_list_lock);
 
         list_for_each_safe(entry, tmp, &x25_neigh_list) {
+                struct net_device *dev;
+
                 nb = list_entry(entry, struct x25_neigh, node);
+                dev = nb->dev;
                 __x25_remove_neigh(nb);
-                dev_put(nb->dev);
+                dev_put(dev);
         }
         write_unlock_bh(&x25_neigh_list_lock);
 }
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 8b3ef404c794..6459588befc3 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1340,10 +1340,13 @@ static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family)
         default:
                 BUG();
         }
-        xdst = dst_alloc(dst_ops) ?: ERR_PTR(-ENOBUFS);
+        xdst = dst_alloc(dst_ops);
         xfrm_policy_put_afinfo(afinfo);
 
-        xdst->flo.ops = &xfrm_bundle_fc_ops;
+        if (likely(xdst))
+                xdst->flo.ops = &xfrm_bundle_fc_ops;
+        else
+                xdst = ERR_PTR(-ENOBUFS);
 
         return xdst;
 }