40 files changed, 331 insertions, 193 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index 5bf5f227dbe0..8af95b2dddd6 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -582,11 +582,9 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
        memset(&fid->qid, 0, sizeof(struct p9_qid));
        fid->mode = -1;
-        fid->rdir_fpos = 0;
        fid->uid = current_fsuid();
        fid->clnt = clnt;
-        fid->aux = NULL;
+        fid->rdir = NULL;
        spin_lock_irqsave(&clnt->lock, flags);
        list_add(&fid->flist, &clnt->fidlist);
        spin_unlock_irqrestore(&clnt->lock, flags);
@@ -609,6 +607,7 @@ static void p9_fid_destroy(struct p9_fid *fid)
        spin_lock_irqsave(&clnt->lock, flags);
        list_del(&fid->flist);
        spin_unlock_irqrestore(&clnt->lock, flags);
+        kfree(fid->rdir);
        kfree(fid);
 }
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index b2e07f0dd298..ea1e3daabefe 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -43,7 +43,6 @@
 #include <net/9p/transport.h>
 #include <linux/scatterlist.h>
 #include <linux/virtio.h>
-#include <linux/virtio_ids.h>
 #include <linux/virtio_9p.h>
 #define VIRTQUEUE_NUM   128
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 7f939ce29801..2bc6f6a8de68 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -92,6 +92,8 @@ static void add_conn(struct work_struct *work)
        dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
+        dev_set_drvdata(&conn->dev, conn);
        if (device_add(&conn->dev) < 0) {
                BT_ERR("Failed to register connection device");
                return;
@@ -144,8 +146,6 @@ void hci_conn_init_sysfs(struct hci_conn *conn)
        conn->dev.class = bt_class;
        conn->dev.parent = &hdev->dev;
-        dev_set_drvdata(&conn->dev, conn);
        device_initialize(&conn->dev);
        INIT_WORK(&conn->work_add, add_conn);
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 555d9da1869b..77e9fb130adb 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -555,12 +555,12 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
        conn->feat_mask = 0;
-        setup_timer(&conn->info_timer, l2cap_info_timeout,
-                                                (unsigned long) conn);
        spin_lock_init(&conn->lock);
        rwlock_init(&conn->chan_list.lock);
+        setup_timer(&conn->info_timer, l2cap_info_timeout,
+                                                (unsigned long) conn);
        conn->disc_reason = 0x13;
        return conn;
@@ -783,6 +783,9 @@ static void l2cap_sock_init(struct sock *sk, struct sock *parent)
        /* Default config options */
        pi->conf_len = 0;
        pi->flush_to = L2CAP_DEFAULT_FLUSH_TO;
+        skb_queue_head_init(TX_QUEUE(sk));
+        skb_queue_head_init(SREJ_QUEUE(sk));
+        INIT_LIST_HEAD(SREJ_LIST(sk));
 }
 static struct proto l2cap_proto = {
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index b1b3b0fbf41c..4a9f52732655 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -377,12 +377,16 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
        struct net_bridge_port *p;
        int err = 0;
-        if (dev->flags & IFF_LOOPBACK || dev->type != ARPHRD_ETHER)
+        /* Don't allow bridging non-ethernet like devices */
+        if ((dev->flags & IFF_LOOPBACK) ||
+            dev->type != ARPHRD_ETHER || dev->addr_len != ETH_ALEN)
                return -EINVAL;
+        /* No bridging of bridges */
        if (dev->netdev_ops->ndo_start_xmit == br_dev_xmit)
                return -ELOOP;
+        /* Device is already being bridged */
        if (dev->br_port != NULL)
                return -EBUSY;
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 597da4f8f888..e8d58f33fe09 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -132,23 +132,27 @@ static inline struct bcm_sock *bcm_sk(const struct sock *sk)
 /*
 * procfs functions
 */
-static char *bcm_proc_getifname(int ifindex)
+static char *bcm_proc_getifname(char *result, int ifindex)
 {
        struct net_device *dev;
        if (!ifindex)
                return "any";
-        /* no usage counting */
+        read_lock(&dev_base_lock);
        dev = __dev_get_by_index(&init_net, ifindex);
        if (dev)
-                return dev->name;
+                strcpy(result, dev->name);
+        else
+                strcpy(result, "???");
+        read_unlock(&dev_base_lock);
-        return "???";
+        return result;
 }
 static int bcm_proc_show(struct seq_file *m, void *v)
 {
+        char ifname[IFNAMSIZ];
        struct sock *sk = (struct sock *)m->private;
        struct bcm_sock *bo = bcm_sk(sk);
        struct bcm_op *op;
@@ -157,7 +161,7 @@ static int bcm_proc_show(struct seq_file *m, void *v)
        seq_printf(m, " / sk %p", sk);
        seq_printf(m, " / bo %p", bo);
        seq_printf(m, " / dropped %lu", bo->dropped_usr_msgs);
-        seq_printf(m, " / bound %s", bcm_proc_getifname(bo->ifindex));
+        seq_printf(m, " / bound %s", bcm_proc_getifname(ifname, bo->ifindex));
        seq_printf(m, " <<<\n");
        list_for_each_entry(op, &bo->rx_ops, list) {
@@ -169,7 +173,7 @@ static int bcm_proc_show(struct seq_file *m, void *v)
                        continue;
                seq_printf(m, "rx_op: %03X %-5s ",
-                                op->can_id, bcm_proc_getifname(op->ifindex));
+                                op->can_id, bcm_proc_getifname(ifname, op->ifindex));
                seq_printf(m, "[%d]%c ", op->nframes,
                                (op->flags & RX_CHECK_DLC)?'d':' ');
                if (op->kt_ival1.tv64)
@@ -194,7 +198,8 @@ static int bcm_proc_show(struct seq_file *m, void *v)
        list_for_each_entry(op, &bo->tx_ops, list) {
                seq_printf(m, "tx_op: %03X %s [%d] ",
-                                op->can_id, bcm_proc_getifname(op->ifindex),
+                                op->can_id,
+                                bcm_proc_getifname(ifname, op->ifindex),
                                op->nframes);
                if (op->kt_ival1.tv64)
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 1c6cf3a1a4f6..4ade3011bb3c 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -224,6 +224,15 @@ void skb_free_datagram(struct sock *sk, struct sk_buff *skb)
        consume_skb(skb);
        sk_mem_reclaim_partial(sk);
 }
+EXPORT_SYMBOL(skb_free_datagram);
+void skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb)
+{
+        lock_sock(sk);
+        skb_free_datagram(sk, skb);
+        release_sock(sk);
+}
+EXPORT_SYMBOL(skb_free_datagram_locked);
 /**
 *      skb_kill_datagram - Free a datagram skbuff forcibly
@@ -752,5 +761,4 @@ unsigned int datagram_poll(struct file *file, struct socket *sock,
 EXPORT_SYMBOL(datagram_poll);
 EXPORT_SYMBOL(skb_copy_and_csum_datagram_iovec);
 EXPORT_SYMBOL(skb_copy_datagram_iovec);
-EXPORT_SYMBOL(skb_free_datagram);
 EXPORT_SYMBOL(skb_recv_datagram);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 86acdba0a97d..6eb8d47cbf3a 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -335,6 +335,7 @@ struct pktgen_dev {
        __u32 cur_src_mac_offset;
        __be32 cur_saddr;
        __be32 cur_daddr;
+        __u16 ip_id;
        __u16 cur_udp_dst;
        __u16 cur_udp_src;
        __u16 cur_queue_map;
@@ -2630,6 +2631,8 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
        iph->protocol = IPPROTO_UDP;    /* UDP */
        iph->saddr = pkt_dev->cur_saddr;
        iph->daddr = pkt_dev->cur_daddr;
+        iph->id = htons(pkt_dev->ip_id);
+        pkt_dev->ip_id++;
        iph->frag_off = 0;
        iplen = 20 + 8 + datalen;
        iph->tot_len = htons(iplen);
@@ -2641,24 +2644,26 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
        skb->dev = odev;
        skb->pkt_type = PACKET_HOST;
-        if (pkt_dev->nfrags <= 0)
+        if (pkt_dev->nfrags <= 0) {
                pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
-        else {
+                memset(pgh + 1, 0, datalen - sizeof(struct pktgen_hdr));
+        } else {
                int frags = pkt_dev->nfrags;
-                int i;
+                int i, len;
                pgh = (struct pktgen_hdr *)(((char *)(udph)) + 8);
                if (frags > MAX_SKB_FRAGS)
                        frags = MAX_SKB_FRAGS;
                if (datalen > frags * PAGE_SIZE) {
-                        skb_put(skb, datalen - frags * PAGE_SIZE);
+                        len = datalen - frags * PAGE_SIZE;
+                        memset(skb_put(skb, len), 0, len);
                        datalen = frags * PAGE_SIZE;
                }
                i = 0;
                while (datalen > 0) {
-                        struct page *page = alloc_pages(GFP_KERNEL, 0);
+                        struct page *page = alloc_pages(GFP_KERNEL | __GFP_ZERO, 0);
                        skb_shinfo(skb)->frags[i].page = page;
                        skb_shinfo(skb)->frags[i].page_offset = 0;
                        skb_shinfo(skb)->frags[i].size =
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 26b0ab1e9f56..2036568beea9 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -263,11 +263,10 @@ static int dn_def_dev_strategy(ctl_table *table,
                        return -ENODEV;
                rv = -ENODEV;
-                if (dev->dn_ptr != NULL) {
+                if (dev->dn_ptr != NULL)
                        rv = dn_dev_set_default(dev, 1);
-                        if (rv)
+                if (rv)
-                                dev_put(dev);
+                        dev_put(dev);
-                }
        }
        return rv;
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index e2f950592566..aa00398be80e 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -229,14 +229,17 @@ unsigned int inet_dev_addr_type(struct net *net, const struct net_device *dev,
 */
 int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
-                        struct net_device *dev, __be32 *spec_dst, u32 *itag)
+                        struct net_device *dev, __be32 *spec_dst,
+                        u32 *itag, u32 mark)
 {
        struct in_device *in_dev;
        struct flowi fl = { .nl_u = { .ip4_u =
                                      { .daddr = src,
                                        .saddr = dst,
                                        .tos = tos } },
+                            .mark = mark,
                            .iif = oif };
        struct fib_result res;
        int no_addr, rpf;
        int ret;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 4351ca2cf0b8..537731b3bcb3 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -446,6 +446,28 @@ extern int sysctl_tcp_synack_retries;
 EXPORT_SYMBOL_GPL(inet_csk_reqsk_queue_hash_add);
+/* Decide when to expire the request and when to resend SYN-ACK */
+static inline void syn_ack_recalc(struct request_sock *req, const int thresh,
+                                  const int max_retries,
+                                  const u8 rskq_defer_accept,
+                                  int *expire, int *resend)
+{
+        if (!rskq_defer_accept) {
+                *expire = req->retrans >= thresh;
+                *resend = 1;
+                return;
+        }
+        *expire = req->retrans >= thresh &&
+                  (!inet_rsk(req)->acked || req->retrans >= max_retries);
+        /*
+         * Do not resend while waiting for data after ACK,
+         * start to resend on end of deferring period to give
+         * last chance for data or ACK to create established socket.
+         */
+        *resend = !inet_rsk(req)->acked ||
+                  req->retrans >= rskq_defer_accept - 1;
+}
 void inet_csk_reqsk_queue_prune(struct sock *parent,
                                const unsigned long interval,
                                const unsigned long timeout,
@@ -501,9 +523,15 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
                reqp=&lopt->syn_table[i];
                while ((req = *reqp) != NULL) {
                        if (time_after_eq(now, req->expires)) {
-                                if ((req->retrans < thresh ||
+                                int expire = 0, resend = 0;
-                                     (inet_rsk(req)->acked && req->retrans < max_retries))
-                                    && !req->rsk_ops->rtx_syn_ack(parent, req)) {
+                                syn_ack_recalc(req, thresh, max_retries,
+                                               queue->rskq_defer_accept,
+                                               &expire, &resend);
+                                if (!expire &&
+                                    (!resend ||
+                                     !req->rsk_ops->rtx_syn_ack(parent, req) ||
+                                     inet_rsk(req)->acked)) {
                                        unsigned long timeo;
                                        if (req->retrans++ == 0)
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 41ada9904d31..143333852624 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1464,7 +1464,7 @@ static void ipgre_tap_setup(struct net_device *dev)
        ether_setup(dev);
-        dev->netdev_ops         = &ipgre_netdev_ops;
+        dev->netdev_ops         = &ipgre_tap_netdev_ops;
        dev->destructor         = free_netdev;
        dev->iflink             = 0;
@@ -1525,25 +1525,29 @@ static int ipgre_changelink(struct net_device *dev, struct nlattr *tb[],
                if (t->dev != dev)
                        return -EEXIST;
        } else {
-                unsigned nflags = 0;
                t = nt;
-                if (ipv4_is_multicast(p.iph.daddr))
+                if (dev->type != ARPHRD_ETHER) {
-                        nflags = IFF_BROADCAST;
+                        unsigned nflags = 0;
-                else if (p.iph.daddr)
-                        nflags = IFF_POINTOPOINT;
-                if ((dev->flags ^ nflags) &
+                        if (ipv4_is_multicast(p.iph.daddr))
-                    (IFF_POINTOPOINT | IFF_BROADCAST))
+                                nflags = IFF_BROADCAST;
-                        return -EINVAL;
+                        else if (p.iph.daddr)
+                                nflags = IFF_POINTOPOINT;
+                        if ((dev->flags ^ nflags) &
+                            (IFF_POINTOPOINT | IFF_BROADCAST))
+                                return -EINVAL;
+                }
                ipgre_tunnel_unlink(ign, t);
                t->parms.iph.saddr = p.iph.saddr;
                t->parms.iph.daddr = p.iph.daddr;
                t->parms.i_key = p.i_key;
-                memcpy(dev->dev_addr, &p.iph.saddr, 4);
+                if (dev->type != ARPHRD_ETHER) {
-                memcpy(dev->broadcast, &p.iph.daddr, 4);
+                        memcpy(dev->dev_addr, &p.iph.saddr, 4);
+                        memcpy(dev->broadcast, &p.iph.daddr, 4);
+                }
                ipgre_tunnel_link(ign, t);
                netdev_state_change(dev);
        }
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 0c0b6e363a20..e982b5c1ee17 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -634,17 +634,16 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                                break;
                        }
                        dev = ip_dev_find(sock_net(sk), mreq.imr_address.s_addr);
-                        if (dev) {
+                        if (dev)
                                mreq.imr_ifindex = dev->ifindex;
-                                dev_put(dev);
-                        }
                } else
-                        dev = __dev_get_by_index(sock_net(sk), mreq.imr_ifindex);
+                        dev = dev_get_by_index(sock_net(sk), mreq.imr_ifindex);
                err = -EADDRNOTAVAIL;
                if (!dev)
                        break;
+                dev_put(dev);
                err = -EINVAL;
                if (sk->sk_bound_dev_if &&
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 08ccd344de7a..ae40ed1ba560 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -438,25 +438,27 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
                goto tx_error;
        }
-        if (tiph->frag_off)
+        df |= old_iph->frag_off & htons(IP_DF);
+        if (df) {
                mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
-        else
-                mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
-        if (mtu < 68) {
+                if (mtu < 68) {
-                stats->collisions++;
+                        stats->collisions++;
-                ip_rt_put(rt);
+                        ip_rt_put(rt);
-                goto tx_error;
+                        goto tx_error;
-        }
+                }
-        if (skb_dst(skb))
-                skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
-        df |= (old_iph->frag_off&htons(IP_DF));
+                if (skb_dst(skb))
+                        skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
-        if ((old_iph->frag_off&htons(IP_DF)) && mtu < ntohs(old_iph->tot_len)) {
+                if ((old_iph->frag_off & htons(IP_DF)) &&
-                icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
+                    mtu < ntohs(old_iph->tot_len)) {
-                ip_rt_put(rt);
+                        icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
-                goto tx_error;
+                                  htonl(mtu));
+                        ip_rt_put(rt);
+                        goto tx_error;
+                }
        }
        if (tunnel->err_count > 0) {
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index 68afc6ecd343..fe1a64479dd0 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -750,6 +750,8 @@ static int __init nf_nat_init(void)
        BUG_ON(nfnetlink_parse_nat_setup_hook != NULL);
        rcu_assign_pointer(nfnetlink_parse_nat_setup_hook,
                           nfnetlink_parse_nat_setup);
+        BUG_ON(nf_ct_nat_offset != NULL);
+        rcu_assign_pointer(nf_ct_nat_offset, nf_nat_get_offset);
        return 0;
 cleanup_extend:
@@ -764,6 +766,7 @@ static void __exit nf_nat_cleanup(void)
        nf_ct_extend_unregister(&nat_extend);
        rcu_assign_pointer(nf_nat_seq_adjust_hook, NULL);
        rcu_assign_pointer(nfnetlink_parse_nat_setup_hook, NULL);
+        rcu_assign_pointer(nf_ct_nat_offset, NULL);
        synchronize_net();
 }
diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 09172a65d9b6..f9520fa3aba9 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -73,6 +73,28 @@ adjust_tcp_sequence(u32 seq,
        DUMP_OFFSET(this_way);
 }
+/* Get the offset value, for conntrack */
+s16 nf_nat_get_offset(const struct nf_conn *ct,
+                      enum ip_conntrack_dir dir,
+                      u32 seq)
+{
+        struct nf_conn_nat *nat = nfct_nat(ct);
+        struct nf_nat_seq *this_way;
+        s16 offset;
+        if (!nat)
+                return 0;
+        this_way = &nat->seq[dir];
+        spin_lock_bh(&nf_nat_seqofs_lock);
+        offset = after(seq, this_way->correction_pos)
+                 ? this_way->offset_after : this_way->offset_before;
+        spin_unlock_bh(&nf_nat_seqofs_lock);
+        return offset;
+}
+EXPORT_SYMBOL_GPL(nf_nat_get_offset);
 /* Frobs data inside this packet, which is linear. */
 static void mangle_contents(struct sk_buff *skb,
                            unsigned int dataoff,
@@ -189,11 +211,6 @@ nf_nat_mangle_tcp_packet(struct sk_buff *skb,
                adjust_tcp_sequence(ntohl(tcph->seq),
                                    (int)rep_len - (int)match_len,
                                    ct, ctinfo);
-                /* Tell TCP window tracking about seq change */
-                nf_conntrack_tcp_update(skb, ip_hdrlen(skb),
-                                        ct, CTINFO2DIR(ctinfo),
-                                        (int)rep_len - (int)match_len);
                nf_conntrack_event_cache(IPCT_NATSEQADJ, ct);
        }
        return 1;
@@ -415,12 +432,7 @@ nf_nat_seq_adjust(struct sk_buff *skb,
        tcph->seq = newseq;
        tcph->ack_seq = newack;
-        if (!nf_nat_sack_adjust(skb, tcph, ct, ctinfo))
+        return nf_nat_sack_adjust(skb, tcph, ct, ctinfo);
-                return 0;
-        nf_conntrack_tcp_update(skb, ip_hdrlen(skb), ct, dir, seqoff);
-        return 1;
 }
 /* Setup NAT on this expected conntrack so it follows master. */
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 757c9171e7c2..ab996f9c0fe0 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -352,13 +352,24 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
        skb->ip_summed = CHECKSUM_NONE;
        skb->transport_header = skb->network_header;
-        err = memcpy_fromiovecend((void *)iph, from, 0, length);
+        err = -EFAULT;
-        if (err)
+        if (memcpy_fromiovecend((void *)iph, from, 0, length))
-                goto error_fault;
+                goto error_free;
-        /* We don't modify invalid header */
        iphlen = iph->ihl * 4;
-        if (iphlen >= sizeof(*iph) && iphlen <= length) {
+        /*
+         * We don't want to modify the ip header, but we do need to
+         * be sure that it won't cause problems later along the network
+         * stack.  Specifically we want to make sure that iph->ihl is a
+         * sane value.  If ihl points beyond the length of the buffer passed
+         * in, reject the frame as invalid
+         */
+        err = -EINVAL;
+        if (iphlen > length)
+                goto error_free;
+        if (iphlen >= sizeof(*iph)) {
                if (!iph->saddr)
                        iph->saddr = rt->rt_src;
                iph->check   = 0;
@@ -381,8 +392,7 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 out:
        return 0;
-error_fault:
+error_free:
-        err = -EFAULT;
        kfree_skb(skb);
 error:
        IP_INC_STATS(net, IPSTATS_MIB_OUTDISCARDS);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index bb4199252026..5b1050a5d874 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1854,7 +1854,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
                        goto e_inval;
                spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
        } else if (fib_validate_source(saddr, 0, tos, 0,
-                                        dev, &spec_dst, &itag) < 0)
+                                        dev, &spec_dst, &itag, 0) < 0)
                goto e_inval;
        rth = dst_alloc(&ipv4_dst_ops);
@@ -1967,7 +1967,7 @@ static int __mkroute_input(struct sk_buff *skb,
        err = fib_validate_source(saddr, daddr, tos, FIB_RES_OIF(*res),
-                                  in_dev->dev, &spec_dst, &itag);
+                                  in_dev->dev, &spec_dst, &itag, skb->mark);
        if (err < 0) {
                ip_handle_martian_source(in_dev->dev, in_dev, skb, daddr,
                                         saddr);
@@ -2141,7 +2141,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
                int result;
                result = fib_validate_source(saddr, daddr, tos,
                                             net->loopback_dev->ifindex,
-                                             dev, &spec_dst, &itag);
+                                             dev, &spec_dst, &itag, skb->mark);
                if (result < 0)
                        goto martian_source;
                if (result)
@@ -2170,7 +2170,7 @@ brd_input:
                spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
        else {
                err = fib_validate_source(saddr, 0, tos, 0, dev, &spec_dst,
-                                          &itag);
+                                          &itag, skb->mark);
                if (err < 0)
                        goto martian_source;
                if (err)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 64d0af675823..98440ad82558 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -326,6 +326,43 @@ void tcp_enter_memory_pressure(struct sock *sk)
 EXPORT_SYMBOL(tcp_enter_memory_pressure);
+/* Convert seconds to retransmits based on initial and max timeout */
+static u8 secs_to_retrans(int seconds, int timeout, int rto_max)
+{
+        u8 res = 0;
+        if (seconds > 0) {
+                int period = timeout;
+                res = 1;
+                while (seconds > period && res < 255) {
+                        res++;
+                        timeout <<= 1;
+                        if (timeout > rto_max)
+                                timeout = rto_max;
+                        period += timeout;
+                }
+        }
+        return res;
+}
+/* Convert retransmits to seconds based on initial and max timeout */
+static int retrans_to_secs(u8 retrans, int timeout, int rto_max)
+{
+        int period = 0;
+        if (retrans > 0) {
+                period = timeout;
+                while (--retrans) {
+                        timeout <<= 1;
+                        if (timeout > rto_max)
+                                timeout = rto_max;
+                        period += timeout;
+                }
+        }
+        return period;
+}
 /*
 *      Wait for a TCP event.
 *
@@ -1405,7 +1442,9 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                                goto found_ok_skb;
                        if (tcp_hdr(skb)->fin)
                                goto found_fin_ok;
-                        WARN_ON(!(flags & MSG_PEEK));
+                        WARN(!(flags & MSG_PEEK), KERN_INFO "recvmsg bug 2: "
+                                        "copied %X seq %X\n", *seq,
+                                        TCP_SKB_CB(skb)->seq);
                }
                /* Well, if we have backlog, try to process it now yet. */
@@ -2163,16 +2202,10 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
                break;
        case TCP_DEFER_ACCEPT:
-                icsk->icsk_accept_queue.rskq_defer_accept = 0;
+                /* Translate value in seconds to number of retransmits */
-                if (val > 0) {
+                icsk->icsk_accept_queue.rskq_defer_accept =
-                        /* Translate value in seconds to number of
+                        secs_to_retrans(val, TCP_TIMEOUT_INIT / HZ,
-                         * retransmits */
+                                        TCP_RTO_MAX / HZ);
-                        while (icsk->icsk_accept_queue.rskq_defer_accept < 32 &&
-                               val > ((TCP_TIMEOUT_INIT / HZ) <<
-                                       icsk->icsk_accept_queue.rskq_defer_accept))
-                                icsk->icsk_accept_queue.rskq_defer_accept++;
-                        icsk->icsk_accept_queue.rskq_defer_accept++;
-                }
                break;
        case TCP_WINDOW_CLAMP:
@@ -2353,8 +2386,8 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
                        val = (val ? : sysctl_tcp_fin_timeout) / HZ;
                break;
        case TCP_DEFER_ACCEPT:
-                val = !icsk->icsk_accept_queue.rskq_defer_accept ? 0 :
+                val = retrans_to_secs(icsk->icsk_accept_queue.rskq_defer_accept,
-                        ((TCP_TIMEOUT_INIT / HZ) << (icsk->icsk_accept_queue.rskq_defer_accept - 1));
+                                      TCP_TIMEOUT_INIT / HZ, TCP_RTO_MAX / HZ);
                break;
        case TCP_WINDOW_CLAMP:
                val = tp->window_clamp;
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index e320afea07fc..4c03598ed924 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -641,10 +641,9 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
        if (!(flg & TCP_FLAG_ACK))
                return NULL;
-        /* If TCP_DEFER_ACCEPT is set, drop bare ACK. */
+        /* While TCP_DEFER_ACCEPT is active, drop bare ACK. */
-        if (inet_csk(sk)->icsk_accept_queue.rskq_defer_accept &&
+        if (req->retrans < inet_csk(sk)->icsk_accept_queue.rskq_defer_accept &&
            TCP_SKB_CB(skb)->end_seq == tcp_rsk(req)->rcv_isn + 1) {
-                inet_csk(sk)->icsk_accept_queue.rskq_defer_accept--;
                inet_rsk(req)->acked = 1;
                return NULL;
        }
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index d0d436d6216c..0fa9f70e4b19 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -999,9 +999,7 @@ try_again:
                err = ulen;
 out_free:
-        lock_sock(sk);
+        skb_free_datagram_locked(sk, skb);
-        skb_free_datagram(sk, skb);
-        release_sock(sk);
 out:
        return err;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 14f54eb5a7fc..4f7aaf6996a3 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -496,13 +496,17 @@ done:
                        goto e_inval;
                if (val) {
+                        struct net_device *dev;
                        if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != val)
                                goto e_inval;
-                        if (__dev_get_by_index(net, val) == NULL) {
+                        dev = dev_get_by_index(net, val);
+                        if (!dev) {
                                retv = -ENODEV;
                                break;
                        }
+                        dev_put(dev);
                }
                np->mcast_oif = val;
                retv = 0;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 3a60f12b34ed..cf538ed5ef6a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -288,9 +288,7 @@ try_again:
                err = ulen;
 out_free:
-        lock_sock(sk);
+        skb_free_datagram_locked(sk, skb);
-        skb_free_datagram(sk, skb);
-        release_sock(sk);
 out:
        return err;
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index bd765f30dba2..b09948ceec4a 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -666,26 +666,25 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
        state = &sta->ampdu_mlme.tid_state_tx[tid];
+        del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
        spin_lock_bh(&sta->lock);
-        if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
+        if (!(*state & HT_ADDBA_REQUESTED_MSK))
-                spin_unlock_bh(&sta->lock);
+                goto timer_still_needed;
-                return;
-        }
        if (mgmt->u.action.u.addba_resp.dialog_token !=
                sta->ampdu_mlme.tid_tx[tid]->dialog_token) {
-                spin_unlock_bh(&sta->lock);
 #ifdef CONFIG_MAC80211_HT_DEBUG
                printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
-                return;
+                goto timer_still_needed;
        }
-        del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
 #ifdef CONFIG_MAC80211_HT_DEBUG
        printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
        if (le16_to_cpu(mgmt->u.action.u.addba_resp.status)
                        == WLAN_STATUS_SUCCESS) {
                u8 curstate = *state;
@@ -699,5 +698,11 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
        } else {
                ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR);
        }
+        goto out;
+ timer_still_needed:
+        add_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
+ out:
        spin_unlock_bh(&sta->lock);
 }
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 5608f6c68413..7b5131bd6fa1 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -72,6 +72,9 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
        struct ieee80211_sub_if_data *sdata;
        int ret;
+        if (netif_running(dev))
+                return -EBUSY;
        if (!nl80211_type_check(type))
                return -EINVAL;
@@ -81,9 +84,6 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
        if (ret)
                return ret;
-        if (netif_running(sdata->dev))
-                return -EBUSY;
        if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
                ieee80211_sdata_set_mesh_id(sdata,
                                            params->mesh_id_len,
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 0891bfb06996..48ef1a282b91 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -153,7 +153,7 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
        if (net_ratelimit())
                printk(KERN_DEBUG "delba from %pM (%s) tid %d reason code %d\n",
                        mgmt->sa, initiator ? "initiator" : "recipient", tid,
-                        mgmt->u.action.u.delba.reason_code);
+                        le16_to_cpu(mgmt->u.action.u.delba.reason_code));
 #endif /* CONFIG_MAC80211_HT_DEBUG */
        if (initiator == WLAN_BACK_INITIATOR)
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 6eaf69823439..f1362f32c17d 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -73,6 +73,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
        struct ieee80211_mgmt *mgmt;
        u8 *pos;
        struct ieee80211_supported_band *sband;
+        struct cfg80211_bss *bss;
        u32 bss_change;
        u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
@@ -177,8 +178,9 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
        mod_timer(&ifibss->timer,
                  round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
-        cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel,
+        bss = cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel,
-                                  mgmt, skb->len, 0, GFP_KERNEL);
+                                        mgmt, skb->len, 0, GFP_KERNEL);
+        cfg80211_put_bss(bss);
        cfg80211_ibss_joined(sdata->dev, ifibss->bssid, GFP_KERNEL);
 }
@@ -538,13 +540,12 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
                                       WLAN_CAPABILITY_PRIVACY,
                                       capability);
+        if (bss) {
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
-        if (bss)
                printk(KERN_DEBUG "   sta_find_ibss: selected %pM current "
                       "%pM\n", bss->cbss.bssid, ifibss->bssid);
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
-        if (bss && !memcmp(ifibss->bssid, bss->cbss.bssid, ETH_ALEN)) {
                printk(KERN_DEBUG "%s: Selected IBSS BSSID %pM"
                       " based on configured SSID\n",
                       sdata->dev->name, bss->cbss.bssid);
@@ -552,8 +553,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
                ieee80211_sta_join_ibss(sdata, bss);
                ieee80211_rx_bss_put(local, bss);
                return;
-        } else if (bss)
+        }
-                ieee80211_rx_bss_put(local, bss);
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
        printk(KERN_DEBUG "   did not try to join ibss\n");
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index e12a786e26b8..29b82e98effa 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -259,7 +259,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
 * @hwmp_ie: hwmp information element (PREP or PREQ)
 *
 * This function updates the path routing information to the originator and the
- * transmitter of a HWMP PREQ or PREP fram.
+ * transmitter of a HWMP PREQ or PREP frame.
 *
 * Returns: metric to frame originator or 0 if the frame should not be further
 * processed
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 8d26e9bf8964..dc5049d58c51 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1457,8 +1457,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
        if (status_code != WLAN_STATUS_SUCCESS) {
                printk(KERN_DEBUG "%s: AP denied association (code=%d)\n",
                       sdata->dev->name, status_code);
-                list_del(&wk->list);
+                wk->state = IEEE80211_MGD_STATE_IDLE;
-                kfree(wk);
                return RX_MGMT_CFG80211_ASSOC;
        }
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index db4bda681ec9..eaa4118de988 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1445,7 +1445,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
                                if (tmp_sdata->vif.type != NL80211_IFTYPE_AP)
                                        continue;
                                if (compare_ether_addr(tmp_sdata->dev->dev_addr,
-                                                       hdr->addr2)) {
+                                                       hdr->addr2) == 0) {
                                        dev_hold(tmp_sdata->dev);
                                        dev_put(sdata->dev);
                                        sdata = tmp_sdata;
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index ca6e68dcd8a8..b9168c1864ca 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1351,6 +1351,11 @@ err_stat:
        return ret;
 }
+s16 (*nf_ct_nat_offset)(const struct nf_conn *ct,
+                        enum ip_conntrack_dir dir,
+                        u32 seq);
+EXPORT_SYMBOL_GPL(nf_ct_nat_offset);
 int nf_conntrack_init(struct net *net)
 {
        int ret;
@@ -1368,6 +1373,9 @@ int nf_conntrack_init(struct net *net)
                /* For use by REJECT target */
                rcu_assign_pointer(ip_ct_attach, nf_conntrack_attach);
                rcu_assign_pointer(nf_ct_destroy, destroy_conntrack);
+                /* Howto get NAT offsets */
+                rcu_assign_pointer(nf_ct_nat_offset, NULL);
        }
        return 0;
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 97a82ba75376..ba2b76937283 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -492,6 +492,21 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff,
        }
 }
+#ifdef CONFIG_NF_NAT_NEEDED
+static inline s16 nat_offset(const struct nf_conn *ct,
+                             enum ip_conntrack_dir dir,
+                             u32 seq)
+{
+        typeof(nf_ct_nat_offset) get_offset = rcu_dereference(nf_ct_nat_offset);
+        return get_offset != NULL ? get_offset(ct, dir, seq) : 0;
+}
+#define NAT_OFFSET(pf, ct, dir, seq) \
+        (pf == NFPROTO_IPV4 ? nat_offset(ct, dir, seq) : 0)
+#else
+#define NAT_OFFSET(pf, ct, dir, seq)    0
+#endif
 static bool tcp_in_window(const struct nf_conn *ct,
                          struct ip_ct_tcp *state,
                          enum ip_conntrack_dir dir,
@@ -506,6 +521,7 @@ static bool tcp_in_window(const struct nf_conn *ct,
        struct ip_ct_tcp_state *receiver = &state->seen[!dir];
        const struct nf_conntrack_tuple *tuple = &ct->tuplehash[dir].tuple;
        __u32 seq, ack, sack, end, win, swin;
+        s16 receiver_offset;
        bool res;
        /*
@@ -519,11 +535,16 @@ static bool tcp_in_window(const struct nf_conn *ct,
        if (receiver->flags & IP_CT_TCP_FLAG_SACK_PERM)
                tcp_sack(skb, dataoff, tcph, &sack);
+        /* Take into account NAT sequence number mangling */
+        receiver_offset = NAT_OFFSET(pf, ct, !dir, ack - 1);
+        ack -= receiver_offset;
+        sack -= receiver_offset;
        pr_debug("tcp_in_window: START\n");
        pr_debug("tcp_in_window: ");
        nf_ct_dump_tuple(tuple);
-        pr_debug("seq=%u ack=%u sack=%u win=%u end=%u\n",
+        pr_debug("seq=%u ack=%u+(%d) sack=%u+(%d) win=%u end=%u\n",
-                 seq, ack, sack, win, end);
+                 seq, ack, receiver_offset, sack, receiver_offset, win, end);
        pr_debug("tcp_in_window: sender end=%u maxend=%u maxwin=%u scale=%i "
                 "receiver end=%u maxend=%u maxwin=%u scale=%i\n",
                 sender->td_end, sender->td_maxend, sender->td_maxwin,
@@ -613,8 +634,8 @@ static bool tcp_in_window(const struct nf_conn *ct,
        pr_debug("tcp_in_window: ");
        nf_ct_dump_tuple(tuple);
-        pr_debug("seq=%u ack=%u sack =%u win=%u end=%u\n",
+        pr_debug("seq=%u ack=%u+(%d) sack=%u+(%d) win=%u end=%u\n",
-                 seq, ack, sack, win, end);
+                 seq, ack, receiver_offset, sack, receiver_offset, win, end);
        pr_debug("tcp_in_window: sender end=%u maxend=%u maxwin=%u scale=%i "
                 "receiver end=%u maxend=%u maxwin=%u scale=%i\n",
                 sender->td_end, sender->td_maxend, sender->td_maxwin,
@@ -700,7 +721,7 @@ static bool tcp_in_window(const struct nf_conn *ct,
                        before(seq, sender->td_maxend + 1) ?
                        after(end, sender->td_end - receiver->td_maxwin - 1) ?
                        before(sack, receiver->td_end + 1) ?
-                        after(ack, receiver->td_end - MAXACKWINDOW(sender)) ? "BUG"
+                        after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1) ? "BUG"
                        : "ACK is under the lower bound (possible overly delayed ACK)"
                        : "ACK is over the upper bound (ACKed data not seen yet)"
                        : "SEQ is under the lower bound (already ACKed data retransmitted)"
@@ -715,39 +736,6 @@ static bool tcp_in_window(const struct nf_conn *ct,
        return res;
 }
-#ifdef CONFIG_NF_NAT_NEEDED
-/* Update sender->td_end after NAT successfully mangled the packet */
-/* Caller must linearize skb at tcp header. */
-void nf_conntrack_tcp_update(const struct sk_buff *skb,
-                             unsigned int dataoff,
-                             struct nf_conn *ct, int dir,
-                             s16 offset)
-{
-        const struct tcphdr *tcph = (const void *)skb->data + dataoff;
-        const struct ip_ct_tcp_state *sender = &ct->proto.tcp.seen[dir];
-        const struct ip_ct_tcp_state *receiver = &ct->proto.tcp.seen[!dir];
-        __u32 end;
-        end = segment_seq_plus_len(ntohl(tcph->seq), skb->len, dataoff, tcph);
-        spin_lock_bh(&ct->lock);
-        /*
-         * We have to worry for the ack in the reply packet only...
-         */
-        if (ct->proto.tcp.seen[dir].td_end + offset == end)
-                ct->proto.tcp.seen[dir].td_end = end;
-        ct->proto.tcp.last_end = end;
-        spin_unlock_bh(&ct->lock);
-        pr_debug("tcp_update: sender end=%u maxend=%u maxwin=%u scale=%i "
-                 "receiver end=%u maxend=%u maxwin=%u scale=%i\n",
-                 sender->td_end, sender->td_maxend, sender->td_maxwin,
-                 sender->td_scale,
-                 receiver->td_end, receiver->td_maxend, receiver->td_maxwin,
-                 receiver->td_scale);
-}
-EXPORT_SYMBOL_GPL(nf_conntrack_tcp_update);
-#endif
 #define TH_FIN  0x01
 #define TH_SYN  0x02
 #define TH_RST  0x04
diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c
index 680980954395..38f03f75a636 100644
--- a/net/netfilter/xt_connlimit.c
+++ b/net/netfilter/xt_connlimit.c
@@ -103,7 +103,7 @@ static int count_them(struct xt_connlimit_data *data,
                      const struct nf_conntrack_tuple *tuple,
                      const union nf_inet_addr *addr,
                      const union nf_inet_addr *mask,
-                      const struct xt_match *match)
+                      u_int8_t family)
 {
        const struct nf_conntrack_tuple_hash *found;
        struct xt_connlimit_conn *conn;
@@ -113,8 +113,7 @@ static int count_them(struct xt_connlimit_data *data,
        bool addit = true;
        int matches = 0;
+        if (family == NFPROTO_IPV6)
-        if (match->family == NFPROTO_IPV6)
                hash = &data->iphash[connlimit_iphash6(addr, mask)];
        else
                hash = &data->iphash[connlimit_iphash(addr->ip & mask->ip)];
@@ -157,8 +156,7 @@ static int count_them(struct xt_connlimit_data *data,
                        continue;
                }
-                if (same_source_net(addr, mask, &conn->tuple.src.u3,
+                if (same_source_net(addr, mask, &conn->tuple.src.u3, family))
-                    match->family))
                        /* same source network -> be counted! */
                        ++matches;
                nf_ct_put(found_ct);
@@ -207,7 +205,7 @@ connlimit_mt(const struct sk_buff *skb, const struct xt_match_param *par)
        spin_lock_bh(&info->data->lock);
        connections = count_them(info->data, tuple_ptr, &addr,
-                                 &info->mask, par->match);
+                                 &info->mask, par->family);
        spin_unlock_bh(&info->data->lock);
        if (connections < 0) {
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index d7ecca0a0c07..f2d116a5cb35 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -982,10 +982,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
                goto out_put;
        size_max = po->tx_ring.frame_size
-                - sizeof(struct skb_shared_info)
+                - (po->tp_hdrlen - sizeof(struct sockaddr_ll));
-                - po->tp_hdrlen
-                - LL_ALLOCATED_SPACE(dev)
-                - sizeof(struct sockaddr_ll);
        if (size_max > dev->mtu + reserve)
                size_max = dev->mtu + reserve;
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 9478d9b3d977..f3e21989b88c 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -578,18 +578,18 @@ static int rose_clear_routes(void)
 /*
 *      Check that the device given is a valid AX.25 interface that is "up".
+ *      called whith RTNL
 */
-static struct net_device *rose_ax25_dev_get(char *devname)
+static struct net_device *rose_ax25_dev_find(char *devname)
 {
        struct net_device *dev;
-        if ((dev = dev_get_by_name(&init_net, devname)) == NULL)
+        if ((dev = __dev_get_by_name(&init_net, devname)) == NULL)
                return NULL;
        if ((dev->flags & IFF_UP) && dev->type == ARPHRD_AX25)
                return dev;
-        dev_put(dev);
        return NULL;
 }
@@ -720,27 +720,23 @@ int rose_rt_ioctl(unsigned int cmd, void __user *arg)
        case SIOCADDRT:
                if (copy_from_user(&rose_route, arg, sizeof(struct rose_route_struct)))
                        return -EFAULT;
-                if ((dev = rose_ax25_dev_get(rose_route.device)) == NULL)
+                if ((dev = rose_ax25_dev_find(rose_route.device)) == NULL)
                        return -EINVAL;
-                if (rose_dev_exists(&rose_route.address)) { /* Can't add routes to ourself */
+                if (rose_dev_exists(&rose_route.address)) /* Can't add routes to ourself */
-                        dev_put(dev);
                        return -EINVAL;
-                }
                if (rose_route.mask > 10) /* Mask can't be more than 10 digits */
                        return -EINVAL;
                if (rose_route.ndigis > AX25_MAX_DIGIS)
                        return -EINVAL;
                err = rose_add_node(&rose_route, dev);
-                dev_put(dev);
                return err;
        case SIOCDELRT:
                if (copy_from_user(&rose_route, arg, sizeof(struct rose_route_struct)))
                        return -EFAULT;
-                if ((dev = rose_ax25_dev_get(rose_route.device)) == NULL)
+                if ((dev = rose_ax25_dev_find(rose_route.device)) == NULL)
                        return -EINVAL;
                err = rose_del_node(&rose_route, dev);
-                dev_put(dev);
                return err;
        case SIOCRSCLRRT:
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index ccc5e83cae5d..1c246a4f491e 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -111,7 +111,7 @@ static void svc_release_skb(struct svc_rqst *rqstp)
                rqstp->rq_xprt_ctxt = NULL;
                dprintk("svc: service %p, releasing skb %p\n", rqstp, skb);
-                skb_free_datagram(svsk->sk_sk, skb);
+                skb_free_datagram_locked(svsk->sk_sk, skb);
        }
 }
@@ -578,7 +578,7 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp)
                                "svc: received unknown control message %d/%d; "
                                "dropping RPC reply datagram\n",
                                        cmh->cmsg_level, cmh->cmsg_type);
-                skb_free_datagram(svsk->sk_sk, skb);
+                skb_free_datagram_locked(svsk->sk_sk, skb);
                return 0;
        }
@@ -588,18 +588,18 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp)
                if (csum_partial_copy_to_xdr(&rqstp->rq_arg, skb)) {
                        local_bh_enable();
                        /* checksum error */
-                        skb_free_datagram(svsk->sk_sk, skb);
+                        skb_free_datagram_locked(svsk->sk_sk, skb);
                        return 0;
                }
                local_bh_enable();
-                skb_free_datagram(svsk->sk_sk, skb);
+                skb_free_datagram_locked(svsk->sk_sk, skb);
        } else {
                /* we can use it in-place */
                rqstp->rq_arg.head[0].iov_base = skb->data +
                        sizeof(struct udphdr);
                rqstp->rq_arg.head[0].iov_len = len;
                if (skb_checksum_complete(skb)) {
-                        skb_free_datagram(svsk->sk_sk, skb);
+                        skb_free_datagram_locked(svsk->sk_sk, skb);
                        return 0;
                }
                rqstp->rq_xprt_ctxt = skb;
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 51ab497115eb..fc820cd75453 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1074,6 +1074,8 @@ restart:
        err = -ECONNREFUSED;
        if (other->sk_state != TCP_LISTEN)
                goto out_unlock;
+        if (other->sk_shutdown & RCV_SHUTDOWN)
+                goto out_unlock;
        if (unix_recvq_full(other)) {
                err = -EAGAIN;
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 2a33d8bc886b..68b321997d4c 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -358,6 +358,7 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
                              struct wireless_dev *wdev);
 void cfg80211_conn_work(struct work_struct *work);
+void cfg80211_sme_failed_assoc(struct wireless_dev *wdev);
 bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
 /* internal helpers */
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 79d2eec54cec..0a6b7a0eca6b 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -62,6 +62,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
        u8 *ie = mgmt->u.assoc_resp.variable;
        int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
        struct cfg80211_internal_bss *bss = NULL;
+        bool need_connect_result = true;
        wdev_lock(wdev);
@@ -94,6 +95,14 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
                }
                WARN_ON(!bss);
+        } else if (wdev->conn) {
+                cfg80211_sme_failed_assoc(wdev);
+                need_connect_result = false;
+                /*
+                 * do not call connect_result() now because the
+                 * sme will schedule work that does it later.
+                 */
+                goto out;
        }
        if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) {
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 93c3ed329204..9f0b2800a9d7 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -26,6 +26,7 @@ struct cfg80211_conn {
                CFG80211_CONN_AUTHENTICATING,
                CFG80211_CONN_ASSOCIATE_NEXT,
                CFG80211_CONN_ASSOCIATING,
+                CFG80211_CONN_DEAUTH_ASSOC_FAIL,
        } state;
        u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
        u8 *ie;
@@ -148,6 +149,12 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
                                               NULL, 0,
                                               WLAN_REASON_DEAUTH_LEAVING);
                return err;
+        case CFG80211_CONN_DEAUTH_ASSOC_FAIL:
+                __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
+                                       NULL, 0,
+                                       WLAN_REASON_DEAUTH_LEAVING);
+                /* return an error so that we call __cfg80211_connect_result() */
+                return -EINVAL;
        default:
                return 0;
        }
@@ -158,6 +165,7 @@ void cfg80211_conn_work(struct work_struct *work)
        struct cfg80211_registered_device *rdev =
                container_of(work, struct cfg80211_registered_device, conn_work);
        struct wireless_dev *wdev;
+        u8 bssid_buf[ETH_ALEN], *bssid = NULL;
        rtnl_lock();
        cfg80211_lock_rdev(rdev);
@@ -173,10 +181,13 @@ void cfg80211_conn_work(struct work_struct *work)
                        wdev_unlock(wdev);
                        continue;
                }
+                if (wdev->conn->params.bssid) {
+                        memcpy(bssid_buf, wdev->conn->params.bssid, ETH_ALEN);
+                        bssid = bssid_buf;
+                }
                if (cfg80211_conn_do_work(wdev))
                        __cfg80211_connect_result(
-                                        wdev->netdev,
+                                        wdev->netdev, bssid,
-                                        wdev->conn->params.bssid,
                                        NULL, 0, NULL, 0,
                                        WLAN_STATUS_UNSPECIFIED_FAILURE,
                                        false, NULL);
@@ -337,6 +348,15 @@ bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev)
        return true;
 }
+void cfg80211_sme_failed_assoc(struct wireless_dev *wdev)
+{
+        struct wiphy *wiphy = wdev->wiphy;
+        struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+        wdev->conn->state = CFG80211_CONN_DEAUTH_ASSOC_FAIL;
+        schedule_work(&rdev->conn_work);
+}
 void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
                               const u8 *req_ie, size_t req_ie_len,
                               const u8 *resp_ie, size_t resp_ie_len,