79 files changed, 589 insertions, 451 deletions
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 01ddb0472f86..0eb96f7e44be 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -24,8 +24,11 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
        if (vlan_dev)
                skb->dev = vlan_dev;
-        else if (vlan_id)
+        else if (vlan_id) {
-                goto drop;
+                if (!(skb->dev->flags & IFF_PROMISC))
+                        goto drop;
+                skb->pkt_type = PACKET_OTHERHOST;
+        }
        return (polling ? netif_receive_skb(skb) : netif_rx(skb));
@@ -102,8 +105,11 @@ vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
        if (vlan_dev)
                skb->dev = vlan_dev;
-        else if (vlan_id)
+        else if (vlan_id) {
-                goto drop;
+                if (!(skb->dev->flags & IFF_PROMISC))
+                        goto drop;
+                skb->pkt_type = PACKET_OTHERHOST;
+        }
        for (p = napi->gro_list; p; p = p->next) {
                NAPI_GRO_CB(p)->same_flow =
diff --git a/net/9p/client.c b/net/9p/client.c
index dc6f2f26d023..9eb72505308f 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -331,8 +331,10 @@ static void p9_tag_cleanup(struct p9_client *c)
                }
        }
-        if (c->tagpool)
+        if (c->tagpool) {
+                p9_idpool_put(0, c->tagpool); /* free reserved tag 0 */
                p9_idpool_destroy(c->tagpool);
+        }
        /* free requests associated with tags */
        for (row = 0; row < (c->max_tag/P9_ROW_MAXTAG); row++) {
@@ -944,6 +946,7 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
        int16_t nwqids, count;
        err = 0;
+        wqids = NULL;
        clnt = oldfid->clnt;
        if (clone) {
                fid = p9_fid_create(clnt);
@@ -994,9 +997,11 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
        else
                fid->qid = oldfid->qid;
+        kfree(wqids);
        return fid;
 clunk_fid:
+        kfree(wqids);
        p9_client_clunk(fid);
        fid = NULL;
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 0ea20c30466c..17c5ba7551a5 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -426,8 +426,10 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req)
        /* Allocate an fcall for the reply */
        rpl_context = kmalloc(sizeof *rpl_context, GFP_KERNEL);
-        if (!rpl_context)
+        if (!rpl_context) {
+                err = -ENOMEM;
                goto err_close;
+        }
        /*
         * If the request has a buffer, steal it, otherwise
@@ -445,8 +447,8 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req)
        }
        rpl_context->rc = req->rc;
        if (!rpl_context->rc) {
-                kfree(rpl_context);
+                err = -ENOMEM;
-                goto err_close;
+                goto err_free2;
        }
        /*
@@ -458,11 +460,8 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req)
         */
        if (atomic_inc_return(&rdma->rq_count) <= rdma->rq_depth) {
                err = post_recv(client, rpl_context);
-                if (err) {
+                if (err)
-                        kfree(rpl_context->rc);
+                        goto err_free1;
-                        kfree(rpl_context);
-                        goto err_close;
-                }
        } else
                atomic_dec(&rdma->rq_count);
@@ -471,8 +470,10 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req)
        /* Post the request */
        c = kmalloc(sizeof *c, GFP_KERNEL);
-        if (!c)
+        if (!c) {
-                goto err_close;
+                err = -ENOMEM;
+                goto err_free1;
+        }
        c->req = req;
        c->busa = ib_dma_map_single(rdma->cm_id->device,
@@ -499,9 +500,15 @@ static int rdma_request(struct p9_client *client, struct p9_req_t *req)
        return ib_post_send(rdma->qp, &wr, &bad_wr);
 error:
+        kfree(c);
+        kfree(rpl_context->rc);
+        kfree(rpl_context);
        P9_DPRINTK(P9_DEBUG_ERROR, "EIO\n");
        return -EIO;
+ err_free1:
+        kfree(rpl_context->rc);
+ err_free2:
+        kfree(rpl_context);
 err_close:
        spin_lock_irqsave(&rdma->req_lock, flags);
        if (rdma->state < P9_RDMA_CLOSING) {
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index dcfbe99ff81c..b88515936e4b 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -329,7 +329,8 @@ p9_virtio_create(struct p9_client *client, const char *devname, char *args)
        mutex_lock(&virtio_9p_lock);
        list_for_each_entry(chan, &virtio_chan_list, chan_list) {
-                if (!strncmp(devname, chan->tag, chan->tag_len)) {
+                if (!strncmp(devname, chan->tag, chan->tag_len) &&
+                    strlen(devname) == chan->tag_len) {
                        if (!chan->inuse) {
                                chan->inuse = true;
                                found = 1;
diff --git a/net/Kconfig b/net/Kconfig
index e330594d3709..e926884c1675 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -217,7 +217,7 @@ source "net/dns_resolver/Kconfig"
 config RPS
        boolean
-        depends on SMP && SYSFS
+        depends on SMP && SYSFS && USE_GENERIC_SMP_HELPERS
        default y
 menu "Network testing"
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 651babdfab38..ad2b232a2055 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -399,12 +399,6 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb)
                        unregister_netdev(net_dev);
                        free_netdev(net_dev);
                }
-                read_lock_irq(&devs_lock);
-                if (list_empty(&br2684_devs)) {
-                        /* last br2684 device */
-                        unregister_atmdevice_notifier(&atm_dev_notifier);
-                }
-                read_unlock_irq(&devs_lock);
                return;
        }
@@ -675,7 +669,6 @@ static int br2684_create(void __user *arg)
        if (list_empty(&br2684_devs)) {
                /* 1st br2684 device */
-                register_atmdevice_notifier(&atm_dev_notifier);
                brdev->number = 1;
        } else
                brdev->number = BRPRIV(list_entry_brdev(br2684_devs.prev))->number + 1;
@@ -815,6 +808,7 @@ static int __init br2684_init(void)
                return -ENOMEM;
 #endif
        register_atm_ioctl(&br2684_ioctl_ops);
+        register_atmdevice_notifier(&atm_dev_notifier);
        return 0;
 }
@@ -830,9 +824,7 @@ static void __exit br2684_exit(void)
 #endif
-        /* if not already empty */
+        unregister_atmdevice_notifier(&atm_dev_notifier);
-        if (!list_empty(&br2684_devs))
-                unregister_atmdevice_notifier(&atm_dev_notifier);
        while (!list_empty(&br2684_devs)) {
                net_dev = list_entry_brdev(br2684_devs.next);
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 5ed00bd7009f..137f23259a93 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -761,9 +761,11 @@ static int br_nf_dev_queue_xmit(struct sk_buff *skb)
 {
        if (skb->nfct != NULL && skb->protocol == htons(ETH_P_IP) &&
            skb->len + nf_bridge_mtu_reduction(skb) > skb->dev->mtu &&
-            !skb_is_gso(skb))
+            !skb_is_gso(skb)) {
+                /* BUG: Should really parse the IP options here. */
+                memset(IPCB(skb), 0, sizeof(struct inet_skb_parm));
                return ip_fragment(skb, br_dev_queue_push_xmit);
-        else
+        } else
                return br_dev_queue_push_xmit(skb);
 }
 #else
diff --git a/net/core/dev.c b/net/core/dev.c
index 3721fbb9a83c..660dd41aaaa6 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2058,16 +2058,16 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev,
                                        struct sk_buff *skb)
 {
        int queue_index;
-        struct sock *sk = skb->sk;
+        const struct net_device_ops *ops = dev->netdev_ops;
-        queue_index = sk_tx_queue_get(sk);
+        if (ops->ndo_select_queue) {
-        if (queue_index < 0) {
+                queue_index = ops->ndo_select_queue(dev, skb);
-                const struct net_device_ops *ops = dev->netdev_ops;
+                queue_index = dev_cap_txqueue(dev, queue_index);
+        } else {
+                struct sock *sk = skb->sk;
+                queue_index = sk_tx_queue_get(sk);
+                if (queue_index < 0) {
-                if (ops->ndo_select_queue) {
-                        queue_index = ops->ndo_select_queue(dev, skb);
-                        queue_index = dev_cap_txqueue(dev, queue_index);
-                } else {
                        queue_index = 0;
                        if (dev->real_num_tx_queues > 1)
                                queue_index = skb_tx_hash(dev, skb);
@@ -4845,7 +4845,7 @@ static void rollback_registered_many(struct list_head *head)
        dev = list_first_entry(head, struct net_device, unreg_list);
        call_netdevice_notifiers(NETDEV_UNREGISTER_BATCH, dev);
-        synchronize_net();
+        rcu_barrier();
        list_for_each_entry(dev, head, unreg_list)
                dev_put(dev);
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 9fbe7f7429b0..6743146e4d6b 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -232,7 +232,7 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
        est->last_packets = bstats->packets;
        est->avpps = rate_est->pps<<10;
-        spin_lock(&est_tree_lock);
+        spin_lock_bh(&est_tree_lock);
        if (!elist[idx].timer.function) {
                INIT_LIST_HEAD(&elist[idx].list);
                setup_timer(&elist[idx].timer, est_timer, idx);
@@ -243,7 +243,7 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
        list_add_rcu(&est->list, &elist[idx].list);
        gen_add_node(est);
-        spin_unlock(&est_tree_lock);
+        spin_unlock_bh(&est_tree_lock);
        return 0;
 }
@@ -270,7 +270,7 @@ void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
 {
        struct gen_estimator *e;
-        spin_lock(&est_tree_lock);
+        spin_lock_bh(&est_tree_lock);
        while ((e = gen_find_node(bstats, rate_est))) {
                rb_erase(&e->node, &est_root);
@@ -281,7 +281,7 @@ void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
                list_del_rcu(&e->list);
                call_rcu(&e->e_rcu, __gen_kill_estimator);
        }
-        spin_unlock(&est_tree_lock);
+        spin_unlock_bh(&est_tree_lock);
 }
 EXPORT_SYMBOL(gen_kill_estimator);
@@ -320,9 +320,9 @@ bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
        ASSERT_RTNL();
-        spin_lock(&est_tree_lock);
+        spin_lock_bh(&est_tree_lock);
        res = gen_find_node(bstats, rate_est) != NULL;
-        spin_unlock(&est_tree_lock);
+        spin_unlock_bh(&est_tree_lock);
        return res;
 }
diff --git a/net/core/iovec.c b/net/core/iovec.c
index 1cd98df412df..e6b133b77ccb 100644
--- a/net/core/iovec.c
+++ b/net/core/iovec.c
@@ -35,9 +35,10 @@
 *      in any case.
 */
-int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr *address, int mode)
+long verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr *address, int mode)
 {
-        int size, err, ct;
+        int size, ct;
+        long err;
        if (m->msg_namelen) {
                if (mode == VERIFY_READ) {
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 3a2513f0d0c3..c83b421341c0 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2573,6 +2573,10 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                __copy_skb_header(nskb, skb);
                nskb->mac_len = skb->mac_len;
+                /* nskb and skb might have different headroom */
+                if (nskb->ip_summed == CHECKSUM_PARTIAL)
+                        nskb->csum_start += skb_headroom(nskb) - headroom;
                skb_reset_mac_header(nskb);
                skb_set_network_header(nskb, skb->mac_len);
                nskb->transport_header = (nskb->network_header +
@@ -2703,7 +2707,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
                return -E2BIG;
        headroom = skb_headroom(p);
-        nskb = netdev_alloc_skb(p->dev, headroom + skb_gro_offset(p));
+        nskb = alloc_skb(headroom + skb_gro_offset(p), GFP_ATOMIC);
        if (unlikely(!nskb))
                return -ENOMEM;
diff --git a/net/core/sock.c b/net/core/sock.c
index b05b9b6ddb87..ef30e9d286e7 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1351,9 +1351,9 @@ int sock_i_uid(struct sock *sk)
 {
        int uid;
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        uid = sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_uid : 0;
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
        return uid;
 }
 EXPORT_SYMBOL(sock_i_uid);
@@ -1362,9 +1362,9 @@ unsigned long sock_i_ino(struct sock *sk)
 {
        unsigned long ino;
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        ino = sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_ino : 0;
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
        return ino;
 }
 EXPORT_SYMBOL(sock_i_ino);
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 7c3a7d191249..72380a30d1c8 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -46,7 +46,7 @@ config IP_ADVANCED_ROUTER
          rp_filter on use:
          echo 1 > /proc/sys/net/ipv4/conf/<device>/rp_filter
-           and
+           or
          echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter
          Note that some distributions enable it in startup scripts.
@@ -217,6 +217,7 @@ config NET_IPIP
 config NET_IPGRE
        tristate "IP: GRE tunnels over IP"
+        depends on IPV6 || IPV6=n
        help
          Tunneling means encapsulating data of one protocol type within
          another protocol and sending it over a channel that understands the
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c
index f0550941df7b..721a8a37b45c 100644
--- a/net/ipv4/datagram.c
+++ b/net/ipv4/datagram.c
@@ -62,8 +62,11 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
        }
        if (!inet->inet_saddr)
                inet->inet_saddr = rt->rt_src;  /* Update source address */
-        if (!inet->inet_rcv_saddr)
+        if (!inet->inet_rcv_saddr) {
                inet->inet_rcv_saddr = rt->rt_src;
+                if (sk->sk_prot->rehash)
+                        sk->sk_prot->rehash(sk);
+        }
        inet->inet_daddr = rt->rt_dst;
        inet->inet_dport = usin->sin_port;
        sk->sk_state = TCP_ESTABLISHED;
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index a43968918350..7d02a9f999fa 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -246,6 +246,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
        struct fib_result res;
        int no_addr, rpf, accept_local;
+        bool dev_match;
        int ret;
        struct net *net;
@@ -273,12 +274,22 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
        }
        *spec_dst = FIB_RES_PREFSRC(res);
        fib_combine_itag(itag, &res);
+        dev_match = false;
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
-        if (FIB_RES_DEV(res) == dev || res.fi->fib_nhs > 1)
+        for (ret = 0; ret < res.fi->fib_nhs; ret++) {
+                struct fib_nh *nh = &res.fi->fib_nh[ret];
+                if (nh->nh_dev == dev) {
+                        dev_match = true;
+                        break;
+                }
+        }
 #else
        if (FIB_RES_DEV(res) == dev)
+                dev_match = true;
 #endif
-        {
+        if (dev_match) {
                ret = FIB_RES_NH(res).nh_scope >= RT_SCOPE_HOST;
                fib_res_put(&res);
                return ret;
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 79d057a939ba..4a8e370862bc 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -186,7 +186,9 @@ static inline struct tnode *node_parent_rcu(struct node *node)
 {
        struct tnode *ret = node_parent(node);
-        return rcu_dereference(ret);
+        return rcu_dereference_check(ret,
+                                     rcu_read_lock_held() ||
+                                     lockdep_rtnl_is_held());
 }
 /* Same as rcu_assign_pointer
@@ -1753,7 +1755,9 @@ static struct leaf *leaf_walk_rcu(struct tnode *p, struct node *c)
 static struct leaf *trie_firstleaf(struct trie *t)
 {
-        struct tnode *n = (struct tnode *) rcu_dereference(t->trie);
+        struct tnode *n = (struct tnode *) rcu_dereference_check(t->trie,
+                                                        rcu_read_lock_held() ||
+                                                        lockdep_rtnl_is_held());
        if (!n)
                return NULL;
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index a1ad0e7180d2..1fdcacd36ce7 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -834,7 +834,7 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
        int                     mark = 0;
-        if (len == 8) {
+        if (len == 8 || IGMP_V2_SEEN(in_dev)) {
                if (ih->code == 0) {
                        /* Alas, old v1 router presents here. */
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 945b20a5ad50..35c93e8b6a46 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -45,7 +45,7 @@
 #include <net/netns/generic.h>
 #include <net/rtnetlink.h>
-#ifdef CONFIG_IPV6
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 #include <net/ipv6.h>
 #include <net/ip6_fib.h>
 #include <net/ip6_route.h>
@@ -699,7 +699,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
                        if ((dst = rt->rt_gateway) == 0)
                                goto tx_error_icmp;
                }
-#ifdef CONFIG_IPV6
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
                else if (skb->protocol == htons(ETH_P_IPV6)) {
                        struct in6_addr *addr6;
                        int addr_type;
@@ -774,7 +774,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
                        goto tx_error;
                }
        }
-#ifdef CONFIG_IPV6
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
        else if (skb->protocol == htons(ETH_P_IPV6)) {
                struct rt6_info *rt6 = (struct rt6_info *)skb_dst(skb);
@@ -850,7 +850,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
        if ((iph->ttl = tiph->ttl) == 0) {
                if (skb->protocol == htons(ETH_P_IP))
                        iph->ttl = old_iph->ttl;
-#ifdef CONFIG_IPV6
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
                else if (skb->protocol == htons(ETH_P_IPV6))
                        iph->ttl = ((struct ipv6hdr *)old_iph)->hop_limit;
 #endif
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 04b69896df5f..7649d7750075 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -488,9 +488,8 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
         * we can switch to copy when see the first bad fragment.
         */
        if (skb_has_frags(skb)) {
-                struct sk_buff *frag;
+                struct sk_buff *frag, *frag2;
                int first_len = skb_pagelen(skb);
-                int truesizes = 0;
                if (first_len - hlen > mtu ||
                    ((first_len - hlen) & 7) ||
@@ -503,18 +502,18 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                        if (frag->len > mtu ||
                            ((frag->len & 7) && frag->next) ||
                            skb_headroom(frag) < hlen)
-                            goto slow_path;
+                                goto slow_path_clean;
                        /* Partially cloned skb? */
                        if (skb_shared(frag))
-                                goto slow_path;
+                                goto slow_path_clean;
                        BUG_ON(frag->sk);
                        if (skb->sk) {
                                frag->sk = skb->sk;
                                frag->destructor = sock_wfree;
                        }
-                        truesizes += frag->truesize;
+                        skb->truesize -= frag->truesize;
                }
                /* Everything is OK. Generate! */
@@ -524,7 +523,6 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                frag = skb_shinfo(skb)->frag_list;
                skb_frag_list_init(skb);
                skb->data_len = first_len - skb_headlen(skb);
-                skb->truesize -= truesizes;
                skb->len = first_len;
                iph->tot_len = htons(first_len);
                iph->frag_off = htons(IP_MF);
@@ -576,6 +574,15 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                }
                IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
                return err;
+slow_path_clean:
+                skb_walk_frags(skb, frag2) {
+                        if (frag2 == frag)
+                                break;
+                        frag2->sk = NULL;
+                        frag2->destructor = NULL;
+                        skb->truesize += frag2->truesize;
+                }
        }
 slow_path:
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 6c40a8c46e79..64b70ad162e3 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -1129,6 +1129,9 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
        case IP_HDRINCL:
                val = inet->hdrincl;
                break;
+        case IP_NODEFRAG:
+                val = inet->nodefrag;
+                break;
        case IP_MTU_DISCOVER:
                val = inet->pmtudisc;
                break;
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index b254dafaf429..43eec80c0e7c 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -112,6 +112,7 @@ static void send_reset(struct sk_buff *oldskb, int hook)
        /* ip_route_me_harder expects skb->dst to be set */
        skb_dst_set_noref(nskb, skb_dst(oldskb));
+        nskb->protocol = htons(ETH_P_IP);
        if (ip_route_me_harder(nskb, addr_type))
                goto free_nskb;
diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c
index eab8de32f200..f3a9b42b16c6 100644
--- a/net/ipv4/netfilter/nf_defrag_ipv4.c
+++ b/net/ipv4/netfilter/nf_defrag_ipv4.c
@@ -66,9 +66,11 @@ static unsigned int ipv4_conntrack_defrag(unsigned int hooknum,
                                          const struct net_device *out,
                                          int (*okfn)(struct sk_buff *))
 {
+        struct sock *sk = skb->sk;
        struct inet_sock *inet = inet_sk(skb->sk);
-        if (inet && inet->nodefrag)
+        if (sk && (sk->sk_family == PF_INET) &&
+            inet->nodefrag)
                return NF_ACCEPT;
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index 1679e2c0963d..ee5f419d0a56 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -893,13 +893,15 @@ static void fast_csum(__sum16 *csum,
        unsigned char s[4];
        if (offset & 1) {
-                s[0] = s[2] = 0;
+                s[0] = ~0;
                s[1] = ~*optr;
+                s[2] = 0;
                s[3] = *nptr;
        } else {
-                s[1] = s[3] = 0;
                s[0] = ~*optr;
+                s[1] = ~0;
                s[2] = *nptr;
+                s[3] = 0;
        }
        *csum = csum_fold(csum_partial(s, 4, ~csum_unfold(*csum)));
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 3f56b6e6c6aa..ac6559cb54f9 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1231,7 +1231,7 @@ restart:
                        }
                        if (net_ratelimit())
-                                printk(KERN_WARNING "Neighbour table overflow.\n");
+                                printk(KERN_WARNING "ipv4: Neighbour table overflow.\n");
                        rt_drop(rt);
                        return -ENOBUFS;
                }
@@ -2738,6 +2738,11 @@ slow_output:
 }
 EXPORT_SYMBOL_GPL(__ip_route_output_key);
+static struct dst_entry *ipv4_blackhole_dst_check(struct dst_entry *dst, u32 cookie)
+{
+        return NULL;
+}
 static void ipv4_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
 {
 }
@@ -2746,7 +2751,7 @@ static struct dst_ops ipv4_dst_blackhole_ops = {
        .family                 =       AF_INET,
        .protocol               =       cpu_to_be16(ETH_P_IP),
        .destroy                =       ipv4_dst_destroy,
-        .check                  =       ipv4_dst_check,
+        .check                  =       ipv4_blackhole_dst_check,
        .update_pmtu            =       ipv4_rt_blackhole_update_pmtu,
        .entries                =       ATOMIC_INIT(0),
 };
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 3fb1428e526e..f115ea68a4ef 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -386,8 +386,6 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
         */
        mask = 0;
-        if (sk->sk_err)
-                mask = POLLERR;
        /*
         * POLLHUP is certainly not done right. But poll() doesn't
@@ -457,6 +455,11 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
                if (tp->urg_data & TCP_URG_VALID)
                        mask |= POLLPRI;
        }
+        /* This barrier is coupled with smp_wmb() in tcp_reset() */
+        smp_rmb();
+        if (sk->sk_err)
+                mask |= POLLERR;
        return mask;
 }
 EXPORT_SYMBOL(tcp_poll);
@@ -940,7 +943,7 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
        sg = sk->sk_route_caps & NETIF_F_SG;
        while (--iovlen >= 0) {
-                int seglen = iov->iov_len;
+                size_t seglen = iov->iov_len;
                unsigned char __user *from = iov->iov_base;
                iov++;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index e663b78a2ef6..b55f60f6fcbe 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2545,7 +2545,8 @@ static void tcp_mark_head_lost(struct sock *sk, int packets)
                        cnt += tcp_skb_pcount(skb);
                if (cnt > packets) {
-                        if (tcp_is_sack(tp) || (oldcnt >= packets))
+                        if ((tcp_is_sack(tp) && !tcp_is_fack(tp)) ||
+                            (oldcnt >= packets))
                                break;
                        mss = skb_shinfo(skb)->gso_size;
@@ -4048,6 +4049,8 @@ static void tcp_reset(struct sock *sk)
        default:
                sk->sk_err = ECONNRESET;
        }
+        /* This barrier is coupled with smp_rmb() in tcp_poll() */
+        smp_wmb();
        if (!sock_flag(sk, SOCK_DEAD))
                sk->sk_error_report(sk);
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index c35b469e851c..74c54b30600f 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -135,13 +135,16 @@ static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
 /* This function calculates a "timeout" which is equivalent to the timeout of a
 * TCP connection after "boundary" unsuccessful, exponentially backed-off
- * retransmissions with an initial RTO of TCP_RTO_MIN.
+ * retransmissions with an initial RTO of TCP_RTO_MIN or TCP_TIMEOUT_INIT if
+ * syn_set flag is set.
 */
 static bool retransmits_timed_out(struct sock *sk,
-                                  unsigned int boundary)
+                                  unsigned int boundary,
+                                  bool syn_set)
 {
        unsigned int timeout, linear_backoff_thresh;
        unsigned int start_ts;
+        unsigned int rto_base = syn_set ? TCP_TIMEOUT_INIT : TCP_RTO_MIN;
        if (!inet_csk(sk)->icsk_retransmits)
                return false;
@@ -151,12 +154,12 @@ static bool retransmits_timed_out(struct sock *sk,
        else
                start_ts = tcp_sk(sk)->retrans_stamp;
-        linear_backoff_thresh = ilog2(TCP_RTO_MAX/TCP_RTO_MIN);
+        linear_backoff_thresh = ilog2(TCP_RTO_MAX/rto_base);
        if (boundary <= linear_backoff_thresh)
-                timeout = ((2 << boundary) - 1) * TCP_RTO_MIN;
+                timeout = ((2 << boundary) - 1) * rto_base;
        else
-                timeout = ((2 << linear_backoff_thresh) - 1) * TCP_RTO_MIN +
+                timeout = ((2 << linear_backoff_thresh) - 1) * rto_base +
                          (boundary - linear_backoff_thresh) * TCP_RTO_MAX;
        return (tcp_time_stamp - start_ts) >= timeout;
@@ -167,14 +170,15 @@ static int tcp_write_timeout(struct sock *sk)
 {
        struct inet_connection_sock *icsk = inet_csk(sk);
        int retry_until;
-        bool do_reset;
+        bool do_reset, syn_set = 0;
        if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) {
                if (icsk->icsk_retransmits)
                        dst_negative_advice(sk);
                retry_until = icsk->icsk_syn_retries ? : sysctl_tcp_syn_retries;
+                syn_set = 1;
        } else {
-                if (retransmits_timed_out(sk, sysctl_tcp_retries1)) {
+                if (retransmits_timed_out(sk, sysctl_tcp_retries1, 0)) {
                        /* Black hole detection */
                        tcp_mtu_probing(icsk, sk);
@@ -187,14 +191,14 @@ static int tcp_write_timeout(struct sock *sk)
                        retry_until = tcp_orphan_retries(sk, alive);
                        do_reset = alive ||
-                                   !retransmits_timed_out(sk, retry_until);
+                                   !retransmits_timed_out(sk, retry_until, 0);
                        if (tcp_out_of_resources(sk, do_reset))
                                return 1;
                }
        }
-        if (retransmits_timed_out(sk, retry_until)) {
+        if (retransmits_timed_out(sk, retry_until, syn_set)) {
                /* Has it gone just too far? */
                tcp_write_err(sk);
                return 1;
@@ -436,7 +440,7 @@ out_reset_timer:
                icsk->icsk_rto = min(icsk->icsk_rto << 1, TCP_RTO_MAX);
        }
        inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, icsk->icsk_rto, TCP_RTO_MAX);
-        if (retransmits_timed_out(sk, sysctl_tcp_retries1 + 1))
+        if (retransmits_timed_out(sk, sysctl_tcp_retries1 + 1, 0))
                __sk_dst_reset(sk);
 out:;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 32e0bef60d0a..fb23c2e63b52 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1260,6 +1260,49 @@ void udp_lib_unhash(struct sock *sk)
 }
 EXPORT_SYMBOL(udp_lib_unhash);
+/*
+ * inet_rcv_saddr was changed, we must rehash secondary hash
+ */
+void udp_lib_rehash(struct sock *sk, u16 newhash)
+{
+        if (sk_hashed(sk)) {
+                struct udp_table *udptable = sk->sk_prot->h.udp_table;
+                struct udp_hslot *hslot, *hslot2, *nhslot2;
+                hslot2 = udp_hashslot2(udptable, udp_sk(sk)->udp_portaddr_hash);
+                nhslot2 = udp_hashslot2(udptable, newhash);
+                udp_sk(sk)->udp_portaddr_hash = newhash;
+                if (hslot2 != nhslot2) {
+                        hslot = udp_hashslot(udptable, sock_net(sk),
+                                             udp_sk(sk)->udp_port_hash);
+                        /* we must lock primary chain too */
+                        spin_lock_bh(&hslot->lock);
+                        spin_lock(&hslot2->lock);
+                        hlist_nulls_del_init_rcu(&udp_sk(sk)->udp_portaddr_node);
+                        hslot2->count--;
+                        spin_unlock(&hslot2->lock);
+                        spin_lock(&nhslot2->lock);
+                        hlist_nulls_add_head_rcu(&udp_sk(sk)->udp_portaddr_node,
+                                                 &nhslot2->head);
+                        nhslot2->count++;
+                        spin_unlock(&nhslot2->lock);
+                        spin_unlock_bh(&hslot->lock);
+                }
+        }
+}
+EXPORT_SYMBOL(udp_lib_rehash);
+static void udp_v4_rehash(struct sock *sk)
+{
+        u16 new_hash = udp4_portaddr_hash(sock_net(sk),
+                                          inet_sk(sk)->inet_rcv_saddr,
+                                          inet_sk(sk)->inet_num);
+        udp_lib_rehash(sk, new_hash);
+}
 static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
        int rc;
@@ -1843,6 +1886,7 @@ struct proto udp_prot = {
        .backlog_rcv       = __udp_queue_rcv_skb,
        .hash              = udp_lib_hash,
        .unhash            = udp_lib_unhash,
+        .rehash            = udp_v4_rehash,
        .get_port          = udp_v4_get_port,
        .memory_allocated  = &udp_memory_allocated,
        .sysctl_mem        = sysctl_udp_mem,
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 869078d4eeb9..a580349f0b8a 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -61,7 +61,7 @@ static int xfrm4_get_saddr(struct net *net,
 static int xfrm4_get_tos(struct flowi *fl)
 {
-        return fl->fl4_tos;
+        return IPTOS_RT_MASK & fl->fl4_tos; /* Strip ECN bits */
 }
 static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,
diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index 1ef1366a0a03..47947624eccc 100644
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -21,21 +21,25 @@ static int xfrm4_init_flags(struct xfrm_state *x)
 }
 static void
-__xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,
+__xfrm4_init_tempsel(struct xfrm_selector *sel, struct flowi *fl)
-                     struct xfrm_tmpl *tmpl,
+{
-                     xfrm_address_t *daddr, xfrm_address_t *saddr)
+        sel->daddr.a4 = fl->fl4_dst;
+        sel->saddr.a4 = fl->fl4_src;
+        sel->dport = xfrm_flowi_dport(fl);
+        sel->dport_mask = htons(0xffff);
+        sel->sport = xfrm_flowi_sport(fl);
+        sel->sport_mask = htons(0xffff);
+        sel->family = AF_INET;
+        sel->prefixlen_d = 32;
+        sel->prefixlen_s = 32;
+        sel->proto = fl->proto;
+        sel->ifindex = fl->oif;
+}
+static void
+xfrm4_init_temprop(struct xfrm_state *x, struct xfrm_tmpl *tmpl,
+                   xfrm_address_t *daddr, xfrm_address_t *saddr)
 {
-        x->sel.daddr.a4 = fl->fl4_dst;
-        x->sel.saddr.a4 = fl->fl4_src;
-        x->sel.dport = xfrm_flowi_dport(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;
-        x->sel.ifindex = fl->oif;
        x->id = tmpl->id;
        if (x->id.daddr.a4 == 0)
                x->id.daddr.a4 = daddr->a4;
@@ -70,6 +74,7 @@ static struct xfrm_state_afinfo xfrm4_state_afinfo = {
        .owner                  = THIS_MODULE,
        .init_flags             = xfrm4_init_flags,
        .init_tempsel           = __xfrm4_init_tempsel,
+        .init_temprop           = xfrm4_init_temprop,
        .output                 = xfrm4_output,
        .extract_input          = xfrm4_extract_input,
        .extract_output         = xfrm4_extract_output,
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index ab70a3fbcafa..324fac3b6c16 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4637,10 +4637,12 @@ int __init addrconf_init(void)
        if (err < 0) {
                printk(KERN_CRIT "IPv6 Addrconf:"
                       " cannot initialize default policy table: %d.\n", err);
-                return err;
+                goto out;
        }
-        register_pernet_subsys(&addrconf_ops);
+        err = register_pernet_subsys(&addrconf_ops);
+        if (err < 0)
+                goto out_addrlabel;
        /* The addrconf netdev notifier requires that loopback_dev
         * has it's ipv6 private information allocated and setup
@@ -4692,7 +4694,9 @@ errout:
        unregister_netdevice_notifier(&ipv6_dev_notf);
 errlo:
        unregister_pernet_subsys(&addrconf_ops);
+out_addrlabel:
+        ipv6_addr_label_cleanup();
+out:
        return err;
 }
@@ -4703,6 +4707,7 @@ void addrconf_cleanup(void)
        unregister_netdevice_notifier(&ipv6_dev_notf);
        unregister_pernet_subsys(&addrconf_ops);
+        ipv6_addr_label_cleanup();
        rtnl_lock();
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index f0e774cea386..8175f802651b 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -393,6 +393,11 @@ int __init ipv6_addr_label_init(void)
        return register_pernet_subsys(&ipv6_addr_label_ops);
 }
+void ipv6_addr_label_cleanup(void)
+{
+        unregister_pernet_subsys(&ipv6_addr_label_ops);
+}
 static const struct nla_policy ifal_policy[IFAL_MAX+1] = {
        [IFAL_ADDRESS]          = { .len = sizeof(struct in6_addr), },
        [IFAL_LABEL]            = { .len = sizeof(u32), },
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 7d929a22cbc2..ef371aa01ac5 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -105,9 +105,12 @@ ipv4_connected:
                if (ipv6_addr_any(&np->saddr))
                        ipv6_addr_set_v4mapped(inet->inet_saddr, &np->saddr);
-                if (ipv6_addr_any(&np->rcv_saddr))
+                if (ipv6_addr_any(&np->rcv_saddr)) {
                        ipv6_addr_set_v4mapped(inet->inet_rcv_saddr,
                                               &np->rcv_saddr);
+                        if (sk->sk_prot->rehash)
+                                sk->sk_prot->rehash(sk);
+                }
                goto out;
        }
@@ -181,6 +184,8 @@ ipv4_connected:
        if (ipv6_addr_any(&np->rcv_saddr)) {
                ipv6_addr_copy(&np->rcv_saddr, &fl.fl6_src);
                inet->inet_rcv_saddr = LOOPBACK4_IPV6;
+                if (sk->sk_prot->rehash)
+                        sk->sk_prot->rehash(sk);
        }
        ip6_dst_store(sk, dst,
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index d40b330c0ee6..980912ed7a38 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -639,7 +639,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
        if (skb_has_frags(skb)) {
                int first_len = skb_pagelen(skb);
-                int truesizes = 0;
+                struct sk_buff *frag2;
                if (first_len - hlen > mtu ||
                    ((first_len - hlen) & 7) ||
@@ -651,18 +651,18 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                        if (frag->len > mtu ||
                            ((frag->len & 7) && frag->next) ||
                            skb_headroom(frag) < hlen)
-                            goto slow_path;
+                                goto slow_path_clean;
                        /* Partially cloned skb? */
                        if (skb_shared(frag))
-                                goto slow_path;
+                                goto slow_path_clean;
                        BUG_ON(frag->sk);
                        if (skb->sk) {
                                frag->sk = skb->sk;
                                frag->destructor = sock_wfree;
-                                truesizes += frag->truesize;
                        }
+                        skb->truesize -= frag->truesize;
                }
                err = 0;
@@ -693,7 +693,6 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                first_len = skb_pagelen(skb);
                skb->data_len = first_len - skb_headlen(skb);
-                skb->truesize -= truesizes;
                skb->len = first_len;
                ipv6_hdr(skb)->payload_len = htons(first_len -
                                                   sizeof(struct ipv6hdr));
@@ -756,6 +755,15 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                              IPSTATS_MIB_FRAGFAILS);
                dst_release(&rt->dst);
                return err;
+slow_path_clean:
+                skb_walk_frags(skb, frag2) {
+                        if (frag2 == frag)
+                                break;
+                        frag2->sk = NULL;
+                        frag2->destructor = NULL;
+                        skb->truesize += frag2->truesize;
+                }
        }
 slow_path:
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 13ef5bc05cf5..578f3c1a16db 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -113,14 +113,6 @@ static void nf_skb_free(struct sk_buff *skb)
                kfree_skb(NFCT_FRAG6_CB(skb)->orig);
 }
-/* Memory Tracking Functions. */
-static void frag_kfree_skb(struct sk_buff *skb)
-{
-        atomic_sub(skb->truesize, &nf_init_frags.mem);
-        nf_skb_free(skb);
-        kfree_skb(skb);
-}
 /* Destruction primitives. */
 static __inline__ void fq_put(struct nf_ct_frag6_queue *fq)
@@ -282,66 +274,22 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
        }
 found:
-        /* We found where to put this one.  Check for overlap with
+        /* RFC5722, Section 4:
-         * preceding fragment, and, if needed, align things so that
+         *                                  When reassembling an IPv6 datagram, if
-         * any overlaps are eliminated.
+         *   one or more its constituent fragments is determined to be an
-         */
+         *   overlapping fragment, the entire datagram (and any constituent
-        if (prev) {
+         *   fragments, including those not yet received) MUST be silently
-                int i = (NFCT_FRAG6_CB(prev)->offset + prev->len) - offset;
+         *   discarded.
-                if (i > 0) {
-                        offset += i;
-                        if (end <= offset) {
-                                pr_debug("overlap\n");
-                                goto err;
-                        }
-                        if (!pskb_pull(skb, i)) {
-                                pr_debug("Can't pull\n");
-                                goto err;
-                        }
-                        if (skb->ip_summed != CHECKSUM_UNNECESSARY)
-                                skb->ip_summed = CHECKSUM_NONE;
-                }
-        }
-        /* Look for overlap with succeeding segments.
-         * If we can merge fragments, do it.
         */
-        while (next && NFCT_FRAG6_CB(next)->offset < end) {
-                /* overlap is 'i' bytes */
-                int i = end - NFCT_FRAG6_CB(next)->offset;
-                if (i < next->len) {
-                        /* Eat head of the next overlapped fragment
-                         * and leave the loop. The next ones cannot overlap.
-                         */
-                        pr_debug("Eat head of the overlapped parts.: %d", i);
-                        if (!pskb_pull(next, i))
-                                goto err;
-                        /* next fragment */
+        /* Check for overlap with preceding fragment. */
-                        NFCT_FRAG6_CB(next)->offset += i;
+        if (prev &&
-                        fq->q.meat -= i;
+            (NFCT_FRAG6_CB(prev)->offset + prev->len) - offset > 0)
-                        if (next->ip_summed != CHECKSUM_UNNECESSARY)
+                goto discard_fq;
-                                next->ip_summed = CHECKSUM_NONE;
-                        break;
-                } else {
-                        struct sk_buff *free_it = next;
-                        /* Old fragmnet is completely overridden with
-                         * new one drop it.
-                         */
-                        next = next->next;
-                        if (prev)
+        /* Look for overlap with succeeding segment. */
-                                prev->next = next;
+        if (next && NFCT_FRAG6_CB(next)->offset < end)
-                        else
+                goto discard_fq;
-                                fq->q.fragments = next;
-                        fq->q.meat -= free_it->len;
-                        frag_kfree_skb(free_it);
-                }
-        }
        NFCT_FRAG6_CB(skb)->offset = offset;
@@ -371,6 +319,8 @@ found:
        write_unlock(&nf_frags.lock);
        return 0;
+discard_fq:
+        fq_kill(fq);
 err:
        return -1;
 }
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 545c4141b755..64cfef1b0a4c 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -149,13 +149,6 @@ int ip6_frag_match(struct inet_frag_queue *q, void *a)
 }
 EXPORT_SYMBOL(ip6_frag_match);
-/* Memory Tracking Functions. */
-static void frag_kfree_skb(struct netns_frags *nf, struct sk_buff *skb)
-{
-        atomic_sub(skb->truesize, &nf->mem);
-        kfree_skb(skb);
-}
 void ip6_frag_init(struct inet_frag_queue *q, void *a)
 {
        struct frag_queue *fq = container_of(q, struct frag_queue, q);
@@ -346,58 +339,22 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
        }
 found:
-        /* We found where to put this one.  Check for overlap with
+        /* RFC5722, Section 4:
-         * preceding fragment, and, if needed, align things so that
+         *                                  When reassembling an IPv6 datagram, if
-         * any overlaps are eliminated.
+         *   one or more its constituent fragments is determined to be an
+         *   overlapping fragment, the entire datagram (and any constituent
+         *   fragments, including those not yet received) MUST be silently
+         *   discarded.
         */
-        if (prev) {
-                int i = (FRAG6_CB(prev)->offset + prev->len) - offset;
-                if (i > 0) {
+        /* Check for overlap with preceding fragment. */
-                        offset += i;
+        if (prev &&
-                        if (end <= offset)
+            (FRAG6_CB(prev)->offset + prev->len) - offset > 0)
-                                goto err;
+                goto discard_fq;
-                        if (!pskb_pull(skb, i))
-                                goto err;
-                        if (skb->ip_summed != CHECKSUM_UNNECESSARY)
-                                skb->ip_summed = CHECKSUM_NONE;
-                }
-        }
-        /* Look for overlap with succeeding segments.
+        /* Look for overlap with succeeding segment. */
-         * If we can merge fragments, do it.
+        if (next && FRAG6_CB(next)->offset < end)
-         */
+                goto discard_fq;
-        while (next && FRAG6_CB(next)->offset < end) {
-                int i = end - FRAG6_CB(next)->offset; /* overlap is 'i' bytes */
-                if (i < next->len) {
-                        /* Eat head of the next overlapped fragment
-                         * and leave the loop. The next ones cannot overlap.
-                         */
-                        if (!pskb_pull(next, i))
-                                goto err;
-                        FRAG6_CB(next)->offset += i;    /* next fragment */
-                        fq->q.meat -= i;
-                        if (next->ip_summed != CHECKSUM_UNNECESSARY)
-                                next->ip_summed = CHECKSUM_NONE;
-                        break;
-                } else {
-                        struct sk_buff *free_it = next;
-                        /* Old fragment is completely overridden with
-                         * new one drop it.
-                         */
-                        next = next->next;
-                        if (prev)
-                                prev->next = next;
-                        else
-                                fq->q.fragments = next;
-                        fq->q.meat -= free_it->len;
-                        frag_kfree_skb(fq->q.net, free_it);
-                }
-        }
        FRAG6_CB(skb)->offset = offset;
@@ -436,6 +393,8 @@ found:
        write_unlock(&ip6_frags.lock);
        return -1;
+discard_fq:
+        fq_kill(fq);
 err:
        IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                      IPSTATS_MIB_REASMFAILS);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index d126365ac046..8323136bdc54 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -670,7 +670,7 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *dad
                        if (net_ratelimit())
                                printk(KERN_WARNING
-                                       "Neighbour table overflow.\n");
+                                       "ipv6: Neighbour table overflow.\n");
                        dst_free(&rt->dst);
                        return NULL;
                }
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 1dd1affdead2..5acb3560ff15 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -111,6 +111,15 @@ int udp_v6_get_port(struct sock *sk, unsigned short snum)
        return udp_lib_get_port(sk, snum, ipv6_rcv_saddr_equal, hash2_nulladdr);
 }
+static void udp_v6_rehash(struct sock *sk)
+{
+        u16 new_hash = udp6_portaddr_hash(sock_net(sk),
+                                          &inet6_sk(sk)->rcv_saddr,
+                                          inet_sk(sk)->inet_num);
+        udp_lib_rehash(sk, new_hash);
+}
 static inline int compute_score(struct sock *sk, struct net *net,
                                unsigned short hnum,
                                struct in6_addr *saddr, __be16 sport,
@@ -1447,6 +1456,7 @@ struct proto udpv6_prot = {
        .backlog_rcv       = udpv6_queue_rcv_skb,
        .hash              = udp_lib_hash,
        .unhash            = udp_lib_unhash,
+        .rehash            = udp_v6_rehash,
        .get_port          = udp_v6_get_port,
        .memory_allocated  = &udp_memory_allocated,
        .sysctl_mem        = sysctl_udp_mem,
diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c
index f417b77fa0e1..a67575d472a3 100644
--- a/net/ipv6/xfrm6_state.c
+++ b/net/ipv6/xfrm6_state.c
@@ -20,23 +20,27 @@
 #include <net/addrconf.h>
 static void
-__xfrm6_init_tempsel(struct xfrm_state *x, struct flowi *fl,
+__xfrm6_init_tempsel(struct xfrm_selector *sel, struct flowi *fl)
-                     struct xfrm_tmpl *tmpl,
-                     xfrm_address_t *daddr, xfrm_address_t *saddr)
 {
        /* Initialize temporary selector matching only
         * to current session. */
-        ipv6_addr_copy((struct in6_addr *)&x->sel.daddr, &fl->fl6_dst);
+        ipv6_addr_copy((struct in6_addr *)&sel->daddr, &fl->fl6_dst);
-        ipv6_addr_copy((struct in6_addr *)&x->sel.saddr, &fl->fl6_src);
+        ipv6_addr_copy((struct in6_addr *)&sel->saddr, &fl->fl6_src);
-        x->sel.dport = xfrm_flowi_dport(fl);
+        sel->dport = xfrm_flowi_dport(fl);
-        x->sel.dport_mask = htons(0xffff);
+        sel->dport_mask = htons(0xffff);
-        x->sel.sport = xfrm_flowi_sport(fl);
+        sel->sport = xfrm_flowi_sport(fl);
-        x->sel.sport_mask = htons(0xffff);
+        sel->sport_mask = htons(0xffff);
-        x->sel.family = AF_INET6;
+        sel->family = AF_INET6;
-        x->sel.prefixlen_d = 128;
+        sel->prefixlen_d = 128;
-        x->sel.prefixlen_s = 128;
+        sel->prefixlen_s = 128;
-        x->sel.proto = fl->proto;
+        sel->proto = fl->proto;
-        x->sel.ifindex = fl->oif;
+        sel->ifindex = fl->oif;
+}
+static void
+xfrm6_init_temprop(struct xfrm_state *x, struct xfrm_tmpl *tmpl,
+                   xfrm_address_t *daddr, xfrm_address_t *saddr)
+{
        x->id = tmpl->id;
        if (ipv6_addr_any((struct in6_addr*)&x->id.daddr))
                memcpy(&x->id.daddr, daddr, sizeof(x->sel.daddr));
@@ -168,6 +172,7 @@ static struct xfrm_state_afinfo xfrm6_state_afinfo = {
        .eth_proto              = htons(ETH_P_IPV6),
        .owner                  = THIS_MODULE,
        .init_tempsel           = __xfrm6_init_tempsel,
+        .init_temprop           = xfrm6_init_temprop,
        .tmpl_sort              = __xfrm6_tmpl_sort,
        .state_sort             = __xfrm6_state_sort,
        .output                 = xfrm6_output,
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 79986a674f6e..fd55b5135de5 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -824,8 +824,8 @@ static int irda_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
        err = irda_open_tsap(self, addr->sir_lsap_sel, addr->sir_name);
        if (err < 0) {
-                kfree(self->ias_obj->name);
+                irias_delete_object(self->ias_obj);
-                kfree(self->ias_obj);
+                self->ias_obj = NULL;
                goto out;
        }
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
index a788f9e9427d..6130f9d9dbe1 100644
--- a/net/irda/irlan/irlan_common.c
+++ b/net/irda/irlan/irlan_common.c
@@ -1102,7 +1102,7 @@ int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len)
        memcpy(&val_len, buf+n, 2); /* To avoid alignment problems */
        le16_to_cpus(&val_len); n+=2;
-        if (val_len > 1016) {
+        if (val_len >= 1016) {
                IRDA_DEBUG(2, "%s(), parameter length to long\n", __func__ );
                return -RSP_INVALID_COMMAND_FORMAT;
        }
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 023ba820236f..582612998211 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -1024,7 +1024,8 @@ static int llc_ui_setsockopt(struct socket *sock, int level, int optname,
 {
        struct sock *sk = sock->sk;
        struct llc_sock *llc = llc_sk(sk);
-        int rc = -EINVAL, opt;
+        unsigned int opt;
+        int rc = -EINVAL;
        lock_sock(sk);
        if (unlikely(level != SOL_LLC || optlen != sizeof(int)))
diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c
index e4dae0244d76..cf4aea3ba30f 100644
--- a/net/llc/llc_station.c
+++ b/net/llc/llc_station.c
@@ -689,7 +689,7 @@ static void llc_station_rcv(struct sk_buff *skb)
 int __init llc_station_init(void)
 {
-        u16 rc = -ENOBUFS;
+        int rc = -ENOBUFS;
        struct sk_buff *skb;
        struct llc_station_state_ev *ev;
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 798a91b100cc..ded5c3843e06 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -732,6 +732,12 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
        rtnl_unlock();
+        /*
+         * Now all work items will be gone, but the
+         * timer might still be armed, so delete it
+         */
+        del_timer_sync(&local->work_timer);
        cancel_work_sync(&local->reconfig_filter);
        ieee80211_clear_tx_pending(local);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index fa0f37e4afe4..28624282c5f3 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2199,9 +2199,6 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
        struct net_device *prev_dev = NULL;
        struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
-        if (status->flag & RX_FLAG_INTERNAL_CMTR)
-                goto out_free_skb;
        if (skb_headroom(skb) < sizeof(*rthdr) &&
            pskb_expand_head(skb, sizeof(*rthdr), 0, GFP_ATOMIC))
                goto out_free_skb;
@@ -2260,7 +2257,6 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
        } else
                goto out_free_skb;
-        status->flag |= RX_FLAG_INTERNAL_CMTR;
        return;
 out_free_skb:
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 4f8ddba48011..4c2f89df5cce 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -924,6 +924,7 @@ handle_response(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
        ip_vs_out_stats(cp, skb);
        ip_vs_set_state(cp, IP_VS_DIR_OUTPUT, skb, pp);
+        ip_vs_update_conntrack(skb, cp, 0);
        ip_vs_conn_put(cp);
        skb->ipvs_property = 1;
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index f228a17ec649..7e9af5b76d9e 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -45,6 +45,7 @@
 #include <linux/netfilter.h>
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_expect.h>
+#include <net/netfilter/nf_nat.h>
 #include <net/netfilter/nf_nat_helper.h>
 #include <linux/gfp.h>
 #include <net/protocol.h>
@@ -359,7 +360,7 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
                buf_len = strlen(buf);
                ct = nf_ct_get(skb, &ctinfo);
-                if (ct && !nf_ct_is_untracked(ct)) {
+                if (ct && !nf_ct_is_untracked(ct) && nfct_nat(ct)) {
                        /* If mangling fails this function will return 0
                         * which will cause the packet to be dropped.
                         * Mangling can only fail under memory pressure,
@@ -409,7 +410,6 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
        union nf_inet_addr to;
        __be16 port;
        struct ip_vs_conn *n_cp;
-        struct nf_conn *ct;
 #ifdef CONFIG_IP_VS_IPV6
        /* This application helper doesn't work with IPv6 yet,
@@ -496,11 +496,6 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
                ip_vs_control_add(n_cp, cp);
        }
-        ct = (struct nf_conn *)skb->nfct;
-        if (ct && ct != &nf_conntrack_untracked)
-                ip_vs_expect_related(skb, ct, n_cp,
-                                     IPPROTO_TCP, &n_cp->dport, 1);
        /*
         *      Move tunnel to listen state
         */
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index 21e1a5e9b9d3..49df6bea6a2d 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -349,8 +349,8 @@ ip_vs_bypass_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 }
 #endif
-static void
+void
-ip_vs_update_conntrack(struct sk_buff *skb, struct ip_vs_conn *cp)
+ip_vs_update_conntrack(struct sk_buff *skb, struct ip_vs_conn *cp, int outin)
 {
        struct nf_conn *ct = (struct nf_conn *)skb->nfct;
        struct nf_conntrack_tuple new_tuple;
@@ -365,11 +365,17 @@ ip_vs_update_conntrack(struct sk_buff *skb, struct ip_vs_conn *cp)
         * real-server we will see RIP->DIP.
         */
        new_tuple = ct->tuplehash[IP_CT_DIR_REPLY].tuple;
-        new_tuple.src.u3 = cp->daddr;
+        if (outin)
+                new_tuple.src.u3 = cp->daddr;
+        else
+                new_tuple.dst.u3 = cp->vaddr;
        /*
         * This will also take care of UDP and other protocols.
         */
-        new_tuple.src.u.tcp.port = cp->dport;
+        if (outin)
+                new_tuple.src.u.tcp.port = cp->dport;
+        else
+                new_tuple.dst.u.tcp.port = cp->vport;
        nf_conntrack_alter_reply(ct, &new_tuple);
 }
@@ -428,7 +434,7 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
        IP_VS_DBG_PKT(10, pp, skb, 0, "After DNAT");
-        ip_vs_update_conntrack(skb, cp);
+        ip_vs_update_conntrack(skb, cp, 1);
        /* FIXME: when application helper enlarges the packet and the length
           is larger than the MTU of outgoing device, there will be still
@@ -506,7 +512,7 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
        IP_VS_DBG_PKT(10, pp, skb, 0, "After DNAT");
-        ip_vs_update_conntrack(skb, cp);
+        ip_vs_update_conntrack(skb, cp, 1);
        /* FIXME: when application helper enlarges the packet and the length
           is larger than the MTU of outgoing device, there will be still
diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c
index 7dcf7a404190..8d9e4c949b96 100644
--- a/net/netfilter/nf_conntrack_extend.c
+++ b/net/netfilter/nf_conntrack_extend.c
@@ -48,15 +48,17 @@ nf_ct_ext_create(struct nf_ct_ext **ext, enum nf_ct_ext_id id, gfp_t gfp)
 {
        unsigned int off, len;
        struct nf_ct_ext_type *t;
+        size_t alloc_size;
        rcu_read_lock();
        t = rcu_dereference(nf_ct_ext_types[id]);
        BUG_ON(t == NULL);
        off = ALIGN(sizeof(struct nf_ct_ext), t->align);
        len = off + t->len;
+        alloc_size = t->alloc_size;
        rcu_read_unlock();
-        *ext = kzalloc(t->alloc_size, gfp);
+        *ext = kzalloc(alloc_size, gfp);
        if (!*ext)
                return NULL;
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 53d892210a04..f64de9544866 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1376,7 +1376,7 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff,
        unsigned int msglen, origlen;
        const char *dptr, *end;
        s16 diff, tdiff = 0;
-        int ret;
+        int ret = NF_ACCEPT;
        typeof(nf_nat_sip_seq_adjust_hook) nf_nat_sip_seq_adjust;
        if (ctinfo != IP_CT_ESTABLISHED &&
diff --git a/net/netfilter/nf_tproxy_core.c b/net/netfilter/nf_tproxy_core.c
index 5490fc37c92d..daab8c4a903c 100644
--- a/net/netfilter/nf_tproxy_core.c
+++ b/net/netfilter/nf_tproxy_core.c
@@ -70,7 +70,11 @@ nf_tproxy_destructor(struct sk_buff *skb)
 int
 nf_tproxy_assign_sock(struct sk_buff *skb, struct sock *sk)
 {
-        if (inet_sk(sk)->transparent) {
+        bool transparent = (sk->sk_state == TCP_TIME_WAIT) ?
+                                inet_twsk(sk)->tw_transparent :
+                                inet_sk(sk)->transparent;
+        if (transparent) {
                skb_orphan(skb);
                skb->sk = sk;
                skb->destructor = nf_tproxy_destructor;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 980fe4ad0016..cd96ed3ccee4 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2102,6 +2102,26 @@ static void __net_exit netlink_net_exit(struct net *net)
 #endif
 }
+static void __init netlink_add_usersock_entry(void)
+{
+        unsigned long *listeners;
+        int groups = 32;
+        listeners = kzalloc(NLGRPSZ(groups) + sizeof(struct listeners_rcu_head),
+                            GFP_KERNEL);
+        if (!listeners)
+                panic("netlink_add_usersock_entry: Cannot allocate listneres\n");
+        netlink_table_grab();
+        nl_table[NETLINK_USERSOCK].groups = groups;
+        nl_table[NETLINK_USERSOCK].listeners = listeners;
+        nl_table[NETLINK_USERSOCK].module = THIS_MODULE;
+        nl_table[NETLINK_USERSOCK].registered = 1;
+        netlink_table_ungrab();
+}
 static struct pernet_operations __net_initdata netlink_net_ops = {
        .init = netlink_net_init,
        .exit = netlink_net_exit,
@@ -2150,6 +2170,8 @@ static int __init netlink_proto_init(void)
                hash->rehash_time = jiffies;
        }
+        netlink_add_usersock_entry();
        sock_register(&netlink_family_ops);
        register_pernet_subsys(&netlink_net_ops);
        /* The netlink device handler may be needed early. */
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index b2a3ae6cad78..15003021f4f0 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -225,12 +225,13 @@ static void pipe_grant_credits(struct sock *sk)
 static int pipe_rcv_status(struct sock *sk, struct sk_buff *skb)
 {
        struct pep_sock *pn = pep_sk(sk);
-        struct pnpipehdr *hdr = pnp_hdr(skb);
+        struct pnpipehdr *hdr;
        int wake = 0;
        if (!pskb_may_pull(skb, sizeof(*hdr) + 4))
                return -EINVAL;
+        hdr = pnp_hdr(skb);
        if (hdr->data[0] != PN_PEP_TYPE_COMMON) {
                LIMIT_NETDEBUG(KERN_DEBUG"Phonet unknown PEP type: %u\n",
                                (unsigned)hdr->data[0]);
diff --git a/net/rds/tcp_connect.c b/net/rds/tcp_connect.c
index c397524c039c..c519939e8da9 100644
--- a/net/rds/tcp_connect.c
+++ b/net/rds/tcp_connect.c
@@ -43,7 +43,7 @@ void rds_tcp_state_change(struct sock *sk)
        struct rds_connection *conn;
        struct rds_tcp_connection *tc;
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        conn = sk->sk_user_data;
        if (conn == NULL) {
                state_change = sk->sk_state_change;
@@ -68,7 +68,7 @@ void rds_tcp_state_change(struct sock *sk)
                        break;
        }
 out:
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
        state_change(sk);
 }
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 975183fe6950..27844f231d10 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -114,7 +114,7 @@ void rds_tcp_listen_data_ready(struct sock *sk, int bytes)
        rdsdebug("listen data ready sk %p\n", sk);
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        ready = sk->sk_user_data;
        if (ready == NULL) { /* check for teardown race */
                ready = sk->sk_data_ready;
@@ -131,7 +131,7 @@ void rds_tcp_listen_data_ready(struct sock *sk, int bytes)
                queue_work(rds_wq, &rds_tcp_listen_work);
 out:
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
        ready(sk, bytes);
 }
diff --git a/net/rds/tcp_recv.c b/net/rds/tcp_recv.c
index 1aba6878fa5d..e43797404102 100644
--- a/net/rds/tcp_recv.c
+++ b/net/rds/tcp_recv.c
@@ -324,7 +324,7 @@ void rds_tcp_data_ready(struct sock *sk, int bytes)
        rdsdebug("data ready sk %p bytes %d\n", sk, bytes);
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        conn = sk->sk_user_data;
        if (conn == NULL) { /* check for teardown race */
                ready = sk->sk_data_ready;
@@ -338,7 +338,7 @@ void rds_tcp_data_ready(struct sock *sk, int bytes)
        if (rds_tcp_read_sock(conn, GFP_ATOMIC, KM_SOFTIRQ0) == -ENOMEM)
                queue_delayed_work(rds_wq, &conn->c_recv_w, 0);
 out:
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
        ready(sk, bytes);
 }
diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c
index a28b895ff0d1..2f012a07d94d 100644
--- a/net/rds/tcp_send.c
+++ b/net/rds/tcp_send.c
@@ -224,7 +224,7 @@ void rds_tcp_write_space(struct sock *sk)
        struct rds_connection *conn;
        struct rds_tcp_connection *tc;
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        conn = sk->sk_user_data;
        if (conn == NULL) {
                write_space = sk->sk_write_space;
@@ -244,7 +244,7 @@ void rds_tcp_write_space(struct sock *sk)
                queue_delayed_work(rds_wq, &conn->c_send_w, 0);
 out:
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
        /*
         * write_space is only called when data leaves tcp's send queue if
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 8e45e76a95f5..d952e7eac188 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -679,7 +679,7 @@ static int rose_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
        if (addr_len == sizeof(struct sockaddr_rose) && addr->srose_ndigis > 1)
                return -EINVAL;
-        if (addr->srose_ndigis > ROSE_MAX_DIGIS)
+        if ((unsigned int) addr->srose_ndigis > ROSE_MAX_DIGIS)
                return -EINVAL;
        if ((dev = rose_dev_get(&addr->srose_addr)) == NULL) {
@@ -739,7 +739,7 @@ static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_le
        if (addr_len == sizeof(struct sockaddr_rose) && addr->srose_ndigis > 1)
                return -EINVAL;
-        if (addr->srose_ndigis > ROSE_MAX_DIGIS)
+        if ((unsigned int) addr->srose_ndigis > ROSE_MAX_DIGIS)
                return -EINVAL;
        /* Source + Destination digis should not exceed ROSE_MAX_DIGIS */
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 537a48732e9e..7ebf7439b478 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -350,22 +350,19 @@ tcf_act_police_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
 {
        unsigned char *b = skb_tail_pointer(skb);
        struct tcf_police *police = a->priv;
-        struct tc_police opt;
+        struct tc_police opt = {
+                .index = police->tcf_index,
-        opt.index = police->tcf_index;
+                .action = police->tcf_action,
-        opt.action = police->tcf_action;
+                .mtu = police->tcfp_mtu,
-        opt.mtu = police->tcfp_mtu;
+                .burst = police->tcfp_burst,
-        opt.burst = police->tcfp_burst;
+                .refcnt = police->tcf_refcnt - ref,
-        opt.refcnt = police->tcf_refcnt - ref;
+                .bindcnt = police->tcf_bindcnt - bind,
-        opt.bindcnt = police->tcf_bindcnt - bind;
+        };
        if (police->tcfp_R_tab)
                opt.rate = police->tcfp_R_tab->rate;
-        else
-                memset(&opt.rate, 0, sizeof(opt.rate));
        if (police->tcfp_P_tab)
                opt.peakrate = police->tcfp_P_tab->rate;
-        else
-                memset(&opt.peakrate, 0, sizeof(opt.peakrate));
        NLA_PUT(skb, TCA_POLICE_TBF, sizeof(opt), &opt);
        if (police->tcfp_result)
                NLA_PUT_U32(skb, TCA_POLICE_RESULT, police->tcfp_result);
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 340662789529..6318e1136b83 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -255,10 +255,6 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
                        error = -EINVAL;
                        goto err_out;
                }
-                if (!list_empty(&flow->list)) {
-                        error = -EEXIST;
-                        goto err_out;
-                }
        } else {
                int i;
                unsigned long cl;
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index abd904be4287..47496098d35c 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -761,8 +761,8 @@ init_vf(struct hfsc_class *cl, unsigned int len)
                if (f != cl->cl_f) {
                        cl->cl_f = f;
                        cftree_update(cl);
-                        update_cfmin(cl->cl_parent);
                }
+                update_cfmin(cl->cl_parent);
        }
 }
diff --git a/net/sctp/output.c b/net/sctp/output.c
index a646681f5acd..bcc4590ccaf2 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -92,7 +92,6 @@ struct sctp_packet *sctp_packet_config(struct sctp_packet *packet,
        SCTP_DEBUG_PRINTK("%s: packet:%p vtag:0x%x\n", __func__,
                          packet, vtag);
-        sctp_packet_reset(packet);
        packet->vtag = vtag;
        if (ecn_capable && sctp_packet_empty(packet)) {
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 24b2cd555637..d344dc481ccc 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1232,6 +1232,18 @@ out:
        return 0;
 }
+static bool list_has_sctp_addr(const struct list_head *list,
+                               union sctp_addr *ipaddr)
+{
+        struct sctp_transport *addr;
+        list_for_each_entry(addr, list, transports) {
+                if (sctp_cmp_addr_exact(ipaddr, &addr->ipaddr))
+                        return true;
+        }
+        return false;
+}
 /* A restart is occurring, check to make sure no new addresses
 * are being added as we may be under a takeover attack.
 */
@@ -1240,10 +1252,10 @@ static int sctp_sf_check_restart_addrs(const struct sctp_association *new_asoc,
                                       struct sctp_chunk *init,
                                       sctp_cmd_seq_t *commands)
 {
-        struct sctp_transport *new_addr, *addr;
+        struct sctp_transport *new_addr;
-        int found;
+        int ret = 1;
-        /* Implementor's Guide - Sectin 5.2.2
+        /* Implementor's Guide - Section 5.2.2
         * ...
         * Before responding the endpoint MUST check to see if the
         * unexpected INIT adds new addresses to the association. If new
@@ -1254,31 +1266,19 @@ static int sctp_sf_check_restart_addrs(const struct sctp_association *new_asoc,
        /* Search through all current addresses and make sure
         * we aren't adding any new ones.
         */
-        new_addr = NULL;
-        found = 0;
        list_for_each_entry(new_addr, &new_asoc->peer.transport_addr_list,
-                        transports) {
+                            transports) {
-                found = 0;
+                if (!list_has_sctp_addr(&asoc->peer.transport_addr_list,
-                list_for_each_entry(addr, &asoc->peer.transport_addr_list,
+                                        &new_addr->ipaddr)) {
-                                transports) {
+                        sctp_sf_send_restart_abort(&new_addr->ipaddr, init,
-                        if (sctp_cmp_addr_exact(&new_addr->ipaddr,
+                                                   commands);
-                                                &addr->ipaddr)) {
+                        ret = 0;
-                                found = 1;
-                                break;
-                        }
-                }
-                if (!found)
                        break;
-        }
+                }
-        /* If a new address was added, ABORT the sender. */
-        if (!found && new_addr) {
-                sctp_sf_send_restart_abort(&new_addr->ipaddr, init, commands);
        }
        /* Return success if all addresses were found. */
-        return found;
+        return ret;
 }
 /* Populate the verification/tie tags based on overlapping INIT
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 36cb66022a27..e9eaaf7d43c1 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -38,7 +38,7 @@ static const struct rpc_authops *auth_flavors[RPC_AUTH_MAXFLAVOR] = {
 static LIST_HEAD(cred_unused);
 static unsigned long number_cred_unused;
-#define MAX_HASHTABLE_BITS (10) 
+#define MAX_HASHTABLE_BITS (14)
 static int param_set_hashtbl_sz(const char *val, const struct kernel_param *kp)
 {
        unsigned long num;
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index dcfc66bab2bb..12c485982814 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -745,17 +745,18 @@ gss_pipe_release(struct inode *inode)
        struct rpc_inode *rpci = RPC_I(inode);
        struct gss_upcall_msg *gss_msg;
+restart:
        spin_lock(&inode->i_lock);
-        while (!list_empty(&rpci->in_downcall)) {
+        list_for_each_entry(gss_msg, &rpci->in_downcall, list) {
-                gss_msg = list_entry(rpci->in_downcall.next,
+                if (!list_empty(&gss_msg->msg.list))
-                                struct gss_upcall_msg, list);
+                        continue;
                gss_msg->msg.errno = -EPIPE;
                atomic_inc(&gss_msg->count);
                __gss_unhash_msg(gss_msg);
                spin_unlock(&inode->i_lock);
                gss_release_msg(gss_msg);
-                spin_lock(&inode->i_lock);
+                goto restart;
        }
        spin_unlock(&inode->i_lock);
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 032644610524..778e5dfc5144 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -237,6 +237,7 @@ get_key(const void *p, const void *end,
        if (!supported_gss_krb5_enctype(alg)) {
                printk(KERN_WARNING "gss_kerberos_mech: unsupported "
                        "encryption key algorithm %d\n", alg);
+                p = ERR_PTR(-EINVAL);
                goto out_err;
        }
        p = simple_get_netobj(p, end, &key);
@@ -282,15 +283,19 @@ gss_import_v1_context(const void *p, const void *end, struct krb5_ctx *ctx)
        ctx->enctype = ENCTYPE_DES_CBC_RAW;
        ctx->gk5e = get_gss_krb5_enctype(ctx->enctype);
-        if (ctx->gk5e == NULL)
+        if (ctx->gk5e == NULL) {
+                p = ERR_PTR(-EINVAL);
                goto out_err;
+        }
        /* The downcall format was designed before we completely understood
         * the uses of the context fields; so it includes some stuff we
         * just give some minimal sanity-checking, and some we ignore
         * completely (like the next twenty bytes): */
-        if (unlikely(p + 20 > end || p + 20 < p))
+        if (unlikely(p + 20 > end || p + 20 < p)) {
+                p = ERR_PTR(-EFAULT);
                goto out_err;
+        }
        p += 20;
        p = simple_get_bytes(p, end, &tmp, sizeof(tmp));
        if (IS_ERR(p))
@@ -619,6 +624,7 @@ gss_import_v2_context(const void *p, const void *end, struct krb5_ctx *ctx,
        if (ctx->seq_send64 != ctx->seq_send) {
                dprintk("%s: seq_send64 %lx, seq_send %x overflow?\n", __func__,
                        (long unsigned)ctx->seq_send64, ctx->seq_send);
+                p = ERR_PTR(-EINVAL);
                goto out_err;
        }
        p = simple_get_bytes(p, end, &ctx->enctype, sizeof(ctx->enctype));
diff --git a/net/sunrpc/auth_gss/gss_spkm3_mech.c b/net/sunrpc/auth_gss/gss_spkm3_mech.c
index dc3f1f5ed865..adade3d313f2 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_mech.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_mech.c
@@ -100,6 +100,7 @@ gss_import_sec_context_spkm3(const void *p, size_t len,
        if (version != 1) {
                dprintk("RPC:       unknown spkm3 token format: "
                                "obsolete nfs-utils?\n");
+                p = ERR_PTR(-EINVAL);
                goto out_err_free_ctx;
        }
@@ -135,8 +136,10 @@ gss_import_sec_context_spkm3(const void *p, size_t len,
        if (IS_ERR(p))
                goto out_err_free_intg_alg;
-        if (p != end)
+        if (p != end) {
+                p = ERR_PTR(-EFAULT);
                goto out_err_free_intg_key;
+        }
        ctx_id->internal_ctx_id = ctx;
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 2388d83b68ff..fa5549079d79 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -226,7 +226,7 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru
                        goto out_no_principal;
        }
-        kref_init(&clnt->cl_kref);
+        atomic_set(&clnt->cl_count, 1);
        err = rpc_setup_pipedir(clnt, program->pipe_dir_name);
        if (err < 0)
@@ -390,14 +390,14 @@ rpc_clone_client(struct rpc_clnt *clnt)
                if (new->cl_principal == NULL)
                        goto out_no_principal;
        }
-        kref_init(&new->cl_kref);
+        atomic_set(&new->cl_count, 1);
        err = rpc_setup_pipedir(new, clnt->cl_program->pipe_dir_name);
        if (err != 0)
                goto out_no_path;
        if (new->cl_auth)
                atomic_inc(&new->cl_auth->au_count);
        xprt_get(clnt->cl_xprt);
-        kref_get(&clnt->cl_kref);
+        atomic_inc(&clnt->cl_count);
        rpc_register_client(new);
        rpciod_up();
        return new;
@@ -465,10 +465,8 @@ EXPORT_SYMBOL_GPL(rpc_shutdown_client);
 * Free an RPC client
 */
 static void
-rpc_free_client(struct kref *kref)
+rpc_free_client(struct rpc_clnt *clnt)
 {
-        struct rpc_clnt *clnt = container_of(kref, struct rpc_clnt, cl_kref);
        dprintk("RPC:       destroying %s client for %s\n",
                        clnt->cl_protname, clnt->cl_server);
        if (!IS_ERR(clnt->cl_path.dentry)) {
@@ -495,12 +493,10 @@ out_free:
 * Free an RPC client
 */
 static void
-rpc_free_auth(struct kref *kref)
+rpc_free_auth(struct rpc_clnt *clnt)
 {
-        struct rpc_clnt *clnt = container_of(kref, struct rpc_clnt, cl_kref);
        if (clnt->cl_auth == NULL) {
-                rpc_free_client(kref);
+                rpc_free_client(clnt);
                return;
        }
@@ -509,10 +505,11 @@ rpc_free_auth(struct kref *kref)
         *       release remaining GSS contexts. This mechanism ensures
         *       that it can do so safely.
         */
-        kref_init(kref);
+        atomic_inc(&clnt->cl_count);
        rpcauth_release(clnt->cl_auth);
        clnt->cl_auth = NULL;
-        kref_put(kref, rpc_free_client);
+        if (atomic_dec_and_test(&clnt->cl_count))
+                rpc_free_client(clnt);
 }
 /*
@@ -525,7 +522,8 @@ rpc_release_client(struct rpc_clnt *clnt)
        if (list_empty(&clnt->cl_tasks))
                wake_up(&destroy_wait);
-        kref_put(&clnt->cl_kref, rpc_free_auth);
+        if (atomic_dec_and_test(&clnt->cl_count))
+                rpc_free_auth(clnt);
 }
 /**
@@ -588,7 +586,7 @@ void rpc_task_set_client(struct rpc_task *task, struct rpc_clnt *clnt)
        if (clnt != NULL) {
                rpc_task_release_client(task);
                task->tk_client = clnt;
-                kref_get(&clnt->cl_kref);
+                atomic_inc(&clnt->cl_count);
                if (clnt->cl_softrtry)
                        task->tk_flags |= RPC_TASK_SOFT;
                /* Add to the client's list of all tasks */
@@ -931,7 +929,7 @@ call_reserveresult(struct rpc_task *task)
        task->tk_status = 0;
        if (status >= 0) {
                if (task->tk_rqstp) {
-                        task->tk_action = call_allocate;
+                        task->tk_action = call_refresh;
                        return;
                }
@@ -966,13 +964,54 @@ call_reserveresult(struct rpc_task *task)
 }
 /*
- * 2.   Allocate the buffer. For details, see sched.c:rpc_malloc.
+ * 2.   Bind and/or refresh the credentials
+ */
+static void
+call_refresh(struct rpc_task *task)
+{
+        dprint_status(task);
+        task->tk_action = call_refreshresult;
+        task->tk_status = 0;
+        task->tk_client->cl_stats->rpcauthrefresh++;
+        rpcauth_refreshcred(task);
+}
+/*
+ * 2a.  Process the results of a credential refresh
+ */
+static void
+call_refreshresult(struct rpc_task *task)
+{
+        int status = task->tk_status;
+        dprint_status(task);
+        task->tk_status = 0;
+        task->tk_action = call_allocate;
+        if (status >= 0 && rpcauth_uptodatecred(task))
+                return;
+        switch (status) {
+        case -EACCES:
+                rpc_exit(task, -EACCES);
+                return;
+        case -ENOMEM:
+                rpc_exit(task, -ENOMEM);
+                return;
+        case -ETIMEDOUT:
+                rpc_delay(task, 3*HZ);
+        }
+        task->tk_action = call_refresh;
+}
+/*
+ * 2b.  Allocate the buffer. For details, see sched.c:rpc_malloc.
 *      (Note: buffer memory is freed in xprt_release).
 */
 static void
 call_allocate(struct rpc_task *task)
 {
-        unsigned int slack = task->tk_client->cl_auth->au_cslack;
+        unsigned int slack = task->tk_rqstp->rq_cred->cr_auth->au_cslack;
        struct rpc_rqst *req = task->tk_rqstp;
        struct rpc_xprt *xprt = task->tk_xprt;
        struct rpc_procinfo *proc = task->tk_msg.rpc_proc;
@@ -980,7 +1019,7 @@ call_allocate(struct rpc_task *task)
        dprint_status(task);
        task->tk_status = 0;
-        task->tk_action = call_refresh;
+        task->tk_action = call_bind;
        if (req->rq_buffer)
                return;
@@ -1017,47 +1056,6 @@ call_allocate(struct rpc_task *task)
        rpc_exit(task, -ERESTARTSYS);
 }
-/*
- * 2a.  Bind and/or refresh the credentials
- */
-static void
-call_refresh(struct rpc_task *task)
-{
-        dprint_status(task);
-        task->tk_action = call_refreshresult;
-        task->tk_status = 0;
-        task->tk_client->cl_stats->rpcauthrefresh++;
-        rpcauth_refreshcred(task);
-}
-/*
- * 2b.  Process the results of a credential refresh
- */
-static void
-call_refreshresult(struct rpc_task *task)
-{
-        int status = task->tk_status;
-        dprint_status(task);
-        task->tk_status = 0;
-        task->tk_action = call_bind;
-        if (status >= 0 && rpcauth_uptodatecred(task))
-                return;
-        switch (status) {
-        case -EACCES:
-                rpc_exit(task, -EACCES);
-                return;
-        case -ENOMEM:
-                rpc_exit(task, -ENOMEM);
-                return;
-        case -ETIMEDOUT:
-                rpc_delay(task, 3*HZ);
-        }
-        task->tk_action = call_refresh;
-}
 static inline int
 rpc_task_need_encode(struct rpc_task *task)
 {
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 95ccbcf45d3e..8c8eef2b8f26 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -48,7 +48,7 @@ static void rpc_purge_list(struct rpc_inode *rpci, struct list_head *head,
                return;
        do {
                msg = list_entry(head->next, struct rpc_pipe_msg, list);
-                list_del(&msg->list);
+                list_del_init(&msg->list);
                msg->errno = err;
                destroy_msg(msg);
        } while (!list_empty(head));
@@ -208,7 +208,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp)
        if (msg != NULL) {
                spin_lock(&inode->i_lock);
                msg->errno = -EAGAIN;
-                list_del(&msg->list);
+                list_del_init(&msg->list);
                spin_unlock(&inode->i_lock);
                rpci->ops->destroy_msg(msg);
        }
@@ -268,7 +268,7 @@ rpc_pipe_read(struct file *filp, char __user *buf, size_t len, loff_t *offset)
        if (res < 0 || msg->len == msg->copied) {
                filp->private_data = NULL;
                spin_lock(&inode->i_lock);
-                list_del(&msg->list);
+                list_del_init(&msg->list);
                spin_unlock(&inode->i_lock);
                rpci->ops->destroy_msg(msg);
        }
@@ -371,21 +371,23 @@ rpc_show_info(struct seq_file *m, void *v)
 static int
 rpc_info_open(struct inode *inode, struct file *file)
 {
-        struct rpc_clnt *clnt;
+        struct rpc_clnt *clnt = NULL;
        int ret = single_open(file, rpc_show_info, NULL);
        if (!ret) {
                struct seq_file *m = file->private_data;
-                mutex_lock(&inode->i_mutex);
-                clnt = RPC_I(inode)->private;
+                spin_lock(&file->f_path.dentry->d_lock);
-                if (clnt) {
+                if (!d_unhashed(file->f_path.dentry))
-                        kref_get(&clnt->cl_kref);
+                        clnt = RPC_I(inode)->private;
+                if (clnt != NULL && atomic_inc_not_zero(&clnt->cl_count)) {
+                        spin_unlock(&file->f_path.dentry->d_lock);
                        m->private = clnt;
                } else {
+                        spin_unlock(&file->f_path.dentry->d_lock);
                        single_release(inode, file);
                        ret = -EINVAL;
                }
-                mutex_unlock(&inode->i_mutex);
        }
        return ret;
 }
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index b6309db56226..fe9306bf10cc 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -800,7 +800,7 @@ static void xs_udp_data_ready(struct sock *sk, int len)
        u32 _xid;
        __be32 *xp;
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        dprintk("RPC:       xs_udp_data_ready...\n");
        if (!(xprt = xprt_from_sock(sk)))
                goto out;
@@ -852,7 +852,7 @@ static void xs_udp_data_ready(struct sock *sk, int len)
 dropit:
        skb_free_datagram(sk, skb);
 out:
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
 }
 static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_reader *desc)
@@ -1229,7 +1229,7 @@ static void xs_tcp_data_ready(struct sock *sk, int bytes)
        dprintk("RPC:       xs_tcp_data_ready...\n");
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        if (!(xprt = xprt_from_sock(sk)))
                goto out;
        if (xprt->shutdown)
@@ -1248,7 +1248,7 @@ static void xs_tcp_data_ready(struct sock *sk, int bytes)
                read = tcp_read_sock(sk, &rd_desc, xs_tcp_data_recv);
        } while (read > 0);
 out:
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
 }
 /*
@@ -1301,7 +1301,7 @@ static void xs_tcp_state_change(struct sock *sk)
 {
        struct rpc_xprt *xprt;
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        if (!(xprt = xprt_from_sock(sk)))
                goto out;
        dprintk("RPC:       xs_tcp_state_change client %p...\n", xprt);
@@ -1313,7 +1313,7 @@ static void xs_tcp_state_change(struct sock *sk)
        switch (sk->sk_state) {
        case TCP_ESTABLISHED:
-                spin_lock_bh(&xprt->transport_lock);
+                spin_lock(&xprt->transport_lock);
                if (!xprt_test_and_set_connected(xprt)) {
                        struct sock_xprt *transport = container_of(xprt,
                                        struct sock_xprt, xprt);
@@ -1327,7 +1327,7 @@ static void xs_tcp_state_change(struct sock *sk)
                        xprt_wake_pending_tasks(xprt, -EAGAIN);
                }
-                spin_unlock_bh(&xprt->transport_lock);
+                spin_unlock(&xprt->transport_lock);
                break;
        case TCP_FIN_WAIT1:
                /* The client initiated a shutdown of the socket */
@@ -1365,7 +1365,7 @@ static void xs_tcp_state_change(struct sock *sk)
                xs_sock_mark_closed(xprt);
        }
 out:
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
 }
 /**
@@ -1376,7 +1376,7 @@ static void xs_error_report(struct sock *sk)
 {
        struct rpc_xprt *xprt;
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        if (!(xprt = xprt_from_sock(sk)))
                goto out;
        dprintk("RPC:       %s client %p...\n"
@@ -1384,7 +1384,7 @@ static void xs_error_report(struct sock *sk)
                        __func__, xprt, sk->sk_err);
        xprt_wake_pending_tasks(xprt, -EAGAIN);
 out:
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
 }
 static void xs_write_space(struct sock *sk)
@@ -1416,13 +1416,13 @@ static void xs_write_space(struct sock *sk)
 */
 static void xs_udp_write_space(struct sock *sk)
 {
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        /* from net/core/sock.c:sock_def_write_space */
        if (sock_writeable(sk))
                xs_write_space(sk);
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
 }
 /**
@@ -1437,13 +1437,13 @@ static void xs_udp_write_space(struct sock *sk)
 */
 static void xs_tcp_write_space(struct sock *sk)
 {
-        read_lock(&sk->sk_callback_lock);
+        read_lock_bh(&sk->sk_callback_lock);
        /* from net/core/stream.c:sk_stream_write_space */
        if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk))
                xs_write_space(sk);
-        read_unlock(&sk->sk_callback_lock);
+        read_unlock_bh(&sk->sk_callback_lock);
 }
 static void xs_udp_do_set_buffer_size(struct rpc_xprt *xprt)
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 4414a18c63b4..0b39b2451ea5 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -692,6 +692,7 @@ static int unix_autobind(struct socket *sock)
        static u32 ordernum = 1;
        struct unix_address *addr;
        int err;
+        unsigned int retries = 0;
        mutex_lock(&u->readlock);
@@ -717,9 +718,17 @@ retry:
        if (__unix_find_socket_byname(net, addr->name, addr->len, sock->type,
                                      addr->hash)) {
                spin_unlock(&unix_table_lock);
-                /* Sanity yield. It is unusual case, but yet... */
+                /*
-                if (!(ordernum&0xFF))
+                 * __unix_find_socket_byname() may take long time if many names
-                        yield();
+                 * are already in use.
+                 */
+                cond_resched();
+                /* Give up if all names seems to be in use. */
+                if (retries++ == 0xFFFFF) {
+                        err = -ENOSPC;
+                        kfree(addr);
+                        goto out;
+                }
                goto retry;
        }
        addr->hash ^= sk->sk_type;
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 541e2fff5e9c..d6d046b9f6f2 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -475,12 +475,10 @@ int wiphy_register(struct wiphy *wiphy)
        mutex_lock(&cfg80211_mutex);
        res = device_add(&rdev->wiphy.dev);
-        if (res)
+        if (res) {
-                goto out_unlock;
+                mutex_unlock(&cfg80211_mutex);
+                return res;
-        res = rfkill_register(rdev->rfkill);
+        }
-        if (res)
-                goto out_rm_dev;
        /* set up regulatory info */
        wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE);
@@ -509,13 +507,18 @@ int wiphy_register(struct wiphy *wiphy)
        cfg80211_debugfs_rdev_add(rdev);
        mutex_unlock(&cfg80211_mutex);
+        /*
+         * due to a locking dependency this has to be outside of the
+         * cfg80211_mutex lock
+         */
+        res = rfkill_register(rdev->rfkill);
+        if (res)
+                goto out_rm_dev;
        return 0;
 out_rm_dev:
        device_del(&rdev->wiphy.dev);
-out_unlock:
-        mutex_unlock(&cfg80211_mutex);
        return res;
 }
 EXPORT_SYMBOL(wiphy_register);
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index bb5e0a5ecfa1..7e5c3a45f811 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -1420,6 +1420,9 @@ int cfg80211_wext_giwessid(struct net_device *dev,
 {
        struct wireless_dev *wdev = dev->ieee80211_ptr;
+        data->flags = 0;
+        data->length = 0;
        switch (wdev->iftype) {
        case NL80211_IFTYPE_ADHOC:
                return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index 0ef17bc42bac..8f5116f5af19 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -782,6 +782,22 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
                }
        }
+        if (IW_IS_GET(cmd) && !(descr->flags & IW_DESCR_FLAG_NOMAX)) {
+                /*
+                 * If this is a GET, but not NOMAX, it means that the extra
+                 * data is not bounded by userspace, but by max_tokens. Thus
+                 * set the length to max_tokens. This matches the extra data
+                 * allocation.
+                 * The driver should fill it with the number of tokens it
+                 * provided, and it may check iwp->length rather than having
+                 * knowledge of max_tokens. If the driver doesn't change the
+                 * iwp->length, this ioctl just copies back max_token tokens
+                 * filled with zeroes. Hopefully the driver isn't claiming
+                 * them to be valid data.
+                 */
+                iwp->length = descr->max_tokens;
+        }
        err = handler(dev, info, (union iwreq_data *) iwp, extra);
        iwp->length += essid_compat;
diff --git a/net/wireless/wext-priv.c b/net/wireless/wext-priv.c
index 3feb28e41c53..674d426a9d24 100644
--- a/net/wireless/wext-priv.c
+++ b/net/wireless/wext-priv.c
@@ -152,7 +152,7 @@ static int ioctl_private_iw_point(struct iw_point *iwp, unsigned int cmd,
        } else if (!iwp->pointer)
                return -EFAULT;
-        extra = kmalloc(extra_size, GFP_KERNEL);
+        extra = kzalloc(extra_size, GFP_KERNEL);
        if (!extra)
                return -ENOMEM;
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index a3cca0a94346..64f2ae1fdc15 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -101,7 +101,7 @@ resume:
                        err = -EHOSTUNREACH;
                        goto error_nolock;
                }
-                skb_dst_set_noref(skb, dst);
+                skb_dst_set(skb, dst_clone(dst));
                x = dst->xfrm;
        } while (x && !(x->outer_mode->flags & XFRM_MODE_FLAG_TUNNEL));
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 2b3ed7ad4933..cbab6e1a8c9c 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1175,9 +1175,8 @@ xfrm_tmpl_resolve_one(struct xfrm_policy *policy, struct flowi *fl,
                    tmpl->mode == XFRM_MODE_BEET) {
                        remote = &tmpl->id.daddr;
                        local = &tmpl->saddr;
-                        family = tmpl->encap_family;
+                        if (xfrm_addr_any(local, tmpl->encap_family)) {
-                        if (xfrm_addr_any(local, family)) {
+                                error = xfrm_get_saddr(net, &tmp, remote, tmpl->encap_family);
-                                error = xfrm_get_saddr(net, &tmp, remote, family);
                                if (error)
                                        goto fail;
                                local = &tmp;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 5208b12fbfb4..eb96ce52f178 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -656,15 +656,23 @@ void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si)
 EXPORT_SYMBOL(xfrm_sad_getinfo);
 static int
-xfrm_init_tempsel(struct xfrm_state *x, struct flowi *fl,
+xfrm_init_tempstate(struct xfrm_state *x, struct flowi *fl,
-                  struct xfrm_tmpl *tmpl,
+                    struct xfrm_tmpl *tmpl,
-                  xfrm_address_t *daddr, xfrm_address_t *saddr,
+                    xfrm_address_t *daddr, xfrm_address_t *saddr,
-                  unsigned short family)
+                    unsigned short family)
 {
        struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);
        if (!afinfo)
                return -1;
-        afinfo->init_tempsel(x, fl, tmpl, daddr, saddr);
+        afinfo->init_tempsel(&x->sel, fl);
+        if (family != tmpl->encap_family) {
+                xfrm_state_put_afinfo(afinfo);
+                afinfo = xfrm_state_get_afinfo(tmpl->encap_family);
+                if (!afinfo)
+                        return -1;
+        }
+        afinfo->init_temprop(x, tmpl, daddr, saddr);
        xfrm_state_put_afinfo(afinfo);
        return 0;
 }
@@ -790,37 +798,38 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
        int error = 0;
        struct xfrm_state *best = NULL;
        u32 mark = pol->mark.v & pol->mark.m;
+        unsigned short encap_family = tmpl->encap_family;
        to_put = NULL;
        spin_lock_bh(&xfrm_state_lock);
-        h = xfrm_dst_hash(net, daddr, saddr, tmpl->reqid, family);
+        h = xfrm_dst_hash(net, daddr, saddr, tmpl->reqid, encap_family);
        hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
-                if (x->props.family == family &&
+                if (x->props.family == encap_family &&
                    x->props.reqid == tmpl->reqid &&
                    (mark & x->mark.m) == x->mark.v &&
                    !(x->props.flags & XFRM_STATE_WILDRECV) &&
-                    xfrm_state_addr_check(x, daddr, saddr, family) &&
+                    xfrm_state_addr_check(x, daddr, saddr, encap_family) &&
                    tmpl->mode == x->props.mode &&
                    tmpl->id.proto == x->id.proto &&
                    (tmpl->id.spi == x->id.spi || !tmpl->id.spi))
-                        xfrm_state_look_at(pol, x, fl, family, daddr, saddr,
+                        xfrm_state_look_at(pol, x, fl, encap_family, daddr, saddr,
                                           &best, &acquire_in_progress, &error);
        }
        if (best)
                goto found;
-        h_wildcard = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family);
+        h_wildcard = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, encap_family);
        hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h_wildcard, bydst) {
-                if (x->props.family == family &&
+                if (x->props.family == encap_family &&
                    x->props.reqid == tmpl->reqid &&
                    (mark & x->mark.m) == x->mark.v &&
                    !(x->props.flags & XFRM_STATE_WILDRECV) &&
-                    xfrm_state_addr_check(x, daddr, saddr, family) &&
+                    xfrm_state_addr_check(x, daddr, saddr, encap_family) &&
                    tmpl->mode == x->props.mode &&
                    tmpl->id.proto == x->id.proto &&
                    (tmpl->id.spi == x->id.spi || !tmpl->id.spi))
-                        xfrm_state_look_at(pol, x, fl, family, daddr, saddr,
+                        xfrm_state_look_at(pol, x, fl, encap_family, daddr, saddr,
                                           &best, &acquire_in_progress, &error);
        }
@@ -829,7 +838,7 @@ found:
        if (!x && !error && !acquire_in_progress) {
                if (tmpl->id.spi &&
                    (x0 = __xfrm_state_lookup(net, mark, daddr, tmpl->id.spi,
-                                              tmpl->id.proto, family)) != NULL) {
+                                              tmpl->id.proto, encap_family)) != NULL) {
                        to_put = x0;
                        error = -EEXIST;
                        goto out;
@@ -839,9 +848,9 @@ found:
                        error = -ENOMEM;
                        goto out;
                }
-                /* Initialize temporary selector matching only
+                /* Initialize temporary state matching only
                 * to current session. */
-                xfrm_init_tempsel(x, fl, tmpl, daddr, saddr, family);
+                xfrm_init_tempstate(x, fl, tmpl, daddr, saddr, family);
                memcpy(&x->mark, &pol->mark, sizeof(x->mark));
                error = security_xfrm_state_alloc_acquire(x, pol->security, fl->secid);
@@ -856,10 +865,10 @@ found:
                        x->km.state = XFRM_STATE_ACQ;
                        list_add(&x->km.all, &net->xfrm.state_all);
                        hlist_add_head(&x->bydst, net->xfrm.state_bydst+h);
-                        h = xfrm_src_hash(net, daddr, saddr, family);
+                        h = xfrm_src_hash(net, daddr, saddr, encap_family);
                        hlist_add_head(&x->bysrc, net->xfrm.state_bysrc+h);
                        if (x->id.spi) {
-                                h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, family);
+                                h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, encap_family);
                                hlist_add_head(&x->byspi, net->xfrm.state_byspi+h);
                        }
                        x->lft.hard_add_expires_seconds = net->xfrm.sysctl_acq_expires;
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index b14ed4b1f27c..8bae6b22c846 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1801,7 +1801,7 @@ static int xfrm_add_sa_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
        struct xfrm_user_expire *ue = nlmsg_data(nlh);
        struct xfrm_usersa_info *p = &ue->state;
        struct xfrm_mark m;
-        u32 mark = xfrm_mark_get(attrs, &m);;
+        u32 mark = xfrm_mark_get(attrs, &m);
        x = xfrm_state_lookup(net, mark, &p->id.daddr, p->id.spi, p->id.proto, p->family);