Merge branch 'linus' into irq/numa

Conflicts:
	arch/mips/sibyte/bcm1480/irq.c
	arch/mips/sibyte/sb1250/irq.c

Merge reason: we gathered a few conflicts plus update to latest upstream fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

43 files changed, 319 insertions, 194 deletions

diff --git a/net/Kconfig b/net/Kconfig
index ce77db4fcec8..c19f549c8e74 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -119,12 +119,6 @@ menuconfig NETFILTER
           <file:Documentation/Changes> under "iptables" for the location of
           these packages.
 
-          Make sure to say N to "Fast switching" below if you intend to say Y
-          here, as Fast switching currently bypasses netfilter.
-
-          Chances are that you should say Y here if you compile a kernel which
-          will run as a router and N for regular hosts. If unsure, say N.
-
 if NETFILTER
 
 config NETFILTER_DEBUG
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 61309b26f271..fa47d5d84f5c 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -171,10 +171,8 @@ static void hci_conn_timeout(unsigned long arg)
         switch (conn->state) {
         case BT_CONNECT:
         case BT_CONNECT2:
-                if (conn->type == ACL_LINK)
+                if (conn->type == ACL_LINK && conn->out)
                         hci_acl_connect_cancel(conn);
-                else
-                        hci_acl_disconn(conn, 0x13);
                 break;
         case BT_CONFIG:
         case BT_CONNECTED:
@@ -292,6 +290,8 @@ int hci_conn_del(struct hci_conn *conn)
 
         hci_conn_del_sysfs(conn);
 
+        hci_dev_put(hdev);
+
         return 0;
 }
 
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 4e7cb88e5da9..184ba0a88ec0 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1493,7 +1493,7 @@ static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff
         hci_dev_lock(hdev);
 
         conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
-        if (conn) {
+        if (conn && conn->state == BT_CONNECTED) {
                 hci_conn_hold(conn);
                 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
                 hci_conn_put(conn);
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 582d8877078c..4cc3624bd22d 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -88,14 +88,19 @@ static struct device_type bt_link = {
 static void add_conn(struct work_struct *work)
 {
         struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
+        struct hci_dev *hdev = conn->hdev;
 
         /* ensure previous del is complete */
         flush_work(&conn->work_del);
 
+        dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
+
         if (device_add(&conn->dev) < 0) {
                 BT_ERR("Failed to register connection device");
                 return;
         }
+
+        hci_dev_hold(hdev);
 }
 
 /*
@@ -131,6 +136,7 @@ static void del_conn(struct work_struct *work)
 
         device_del(&conn->dev);
         put_device(&conn->dev);
+
         hci_dev_put(hdev);
 }
 
@@ -154,12 +160,8 @@ void hci_conn_init_sysfs(struct hci_conn *conn)
 
 void hci_conn_add_sysfs(struct hci_conn *conn)
 {
-        struct hci_dev *hdev = conn->hdev;
-
         BT_DBG("conn %p", conn);
 
-        dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
-
         queue_work(bt_workq, &conn->work_add);
 }
 
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 30b88777c3df..5ee1a3682bf2 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -134,6 +134,10 @@ struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb)
                 if (skb->protocol == htons(ETH_P_PAUSE))
                         goto drop;
 
+                /* If STP is turned off, then forward */
+                if (p->br->stp_enabled == BR_NO_STP && dest[5] == 0)
+                        goto forward;
+
                 if (NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_IN, skb, skb->dev,
                             NULL, br_handle_local_finish))
                         return NULL;    /* frame consumed by filter */
@@ -141,6 +145,7 @@ struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb)
                         return skb;     /* continue processing */
         }
 
+forward:
         switch (p->state) {
         case BR_STATE_FORWARDING:
                 rhook = rcu_dereference(br_should_route_hook);
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 6e63ec3f1fcf..0660515f3992 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -297,6 +297,9 @@ void br_topology_change_detection(struct net_bridge *br)
 {
         int isroot = br_is_root_bridge(br);
 
+        if (br->stp_enabled != BR_KERNEL_STP)
+                return;
+
         pr_info("%s: topology change detected, %s\n", br->dev->name,
                 isroot ? "propagating" : "sending tcn bpdu");
 
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 9cc9f95b109e..6d62d4618cfc 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -66,9 +66,9 @@
 
    NOTES.
 
-   * The stored value for avbps is scaled by 2^5, so that maximal
-     rate is ~1Gbit, avpps is scaled by 2^10.
-
+   * avbps is scaled by 2^5, avpps is scaled by 2^10.
+   * both values are reported as 32 bit unsigned values. bps can
+     overflow for fast links : max speed being 34360Mbit/sec
    * Minimal interval is HZ/4=250msec (it is the greatest common divisor
      for HZ=100 and HZ=1024 8)), maximal interval
      is (HZ*2^EST_MAX_INTERVAL)/4 = 8sec. Shorter intervals
@@ -86,9 +86,9 @@ struct gen_estimator
         spinlock_t              *stats_lock;
         int                     ewma_log;
         u64                     last_bytes;
+        u64                     avbps;
         u32                     last_packets;
         u32                     avpps;
-        u32                     avbps;
         struct rcu_head         e_rcu;
         struct rb_node          node;
 };
@@ -115,6 +115,7 @@ static void est_timer(unsigned long arg)
         rcu_read_lock();
         list_for_each_entry_rcu(e, &elist[idx].list, list) {
                 u64 nbytes;
+                u64 brate;
                 u32 npackets;
                 u32 rate;
 
@@ -125,9 +126,9 @@ static void est_timer(unsigned long arg)
 
                 nbytes = e->bstats->bytes;
                 npackets = e->bstats->packets;
-                rate = (nbytes - e->last_bytes)<<(7 - idx);
+                brate = (nbytes - e->last_bytes)<<(7 - idx);
                 e->last_bytes = nbytes;
-                e->avbps += ((long)rate - (long)e->avbps) >> e->ewma_log;
+                e->avbps += ((s64)(brate - e->avbps)) >> e->ewma_log;
                 e->rate_est->bps = (e->avbps+0xF)>>5;
 
                 rate = (npackets - e->last_packets)<<(12 - idx);
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index b5873bdff612..64f51eec6576 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -175,9 +175,13 @@ static void service_arp_queue(struct netpoll_info *npi)
 void netpoll_poll(struct netpoll *np)
 {
         struct net_device *dev = np->dev;
-        const struct net_device_ops *ops = dev->netdev_ops;
+        const struct net_device_ops *ops;
+
+        if (!dev || !netif_running(dev))
+                return;
 
-        if (!dev || !netif_running(dev) || !ops->ndo_poll_controller)
+        ops = dev->netdev_ops;
+        if (!ops->ndo_poll_controller)
                 return;
 
         /* Process pending work on NIC */
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 3779c1438c11..0666a827bc62 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2447,7 +2447,7 @@ static inline void free_SAs(struct pktgen_dev *pkt_dev)
         if (pkt_dev->cflows) {
                 /* let go of the SAs if we have them */
                 int i = 0;
-                for (;  i < pkt_dev->nflows; i++){
+                for (;  i < pkt_dev->cflows; i++) {
                         struct xfrm_state *x = pkt_dev->flows[i].x;
                         if (x) {
                                 xfrm_state_put(x);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f091a5a845c1..e505b5392e1e 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -502,7 +502,9 @@ int skb_recycle_check(struct sk_buff *skb, int skb_size)
         shinfo->gso_segs = 0;
         shinfo->gso_type = 0;
         shinfo->ip6_frag_id = 0;
+        shinfo->tx_flags.flags = 0;
         shinfo->frag_list = NULL;
+        memset(&shinfo->hwtstamps, 0, sizeof(shinfo->hwtstamps));
 
         memset(skb, 0, offsetof(struct sk_buff, tail));
         skb->data = skb->head + NET_SKB_PAD;
@@ -2286,7 +2288,7 @@ unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
 next_skb:
         block_limit = skb_headlen(st->cur_skb) + st->stepped_offset;
 
-        if (abs_offset < block_limit) {
+        if (abs_offset < block_limit && !st->frag_data) {
                 *data = st->cur_skb->data + (abs_offset - st->stepped_offset);
                 return block_limit - abs_offset;
         }
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index b2cf91e4ccaa..5b919f7b45db 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -407,8 +407,8 @@ config INET_XFRM_MODE_BEET
           If unsure, say Y.
 
 config INET_LRO
-        tristate "Large Receive Offload (ipv4/tcp)"
-
+        bool "Large Receive Offload (ipv4/tcp)"
+        default y
         ---help---
           Support for Large Receive Offload (ipv4/tcp).
 
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index ec0ae490f0b6..33c7c85dfe40 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -986,9 +986,12 @@ fib_find_node(struct trie *t, u32 key)
 static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
 {
         int wasfull;
-        t_key cindex, key = tn->key;
+        t_key cindex, key;
         struct tnode *tp;
 
+        preempt_disable();
+        key = tn->key;
+
         while (tn != NULL && (tp = node_parent((struct node *)tn)) != NULL) {
                 cindex = tkey_extract_bits(key, tp->pos, tp->bits);
                 wasfull = tnode_full(tp, tnode_get_child(tp, cindex));
@@ -1007,6 +1010,7 @@ static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
         if (IS_TNODE(tn))
                 tn = (struct tnode *)resize(t, (struct tnode *)tn);
 
+        preempt_enable();
         return (struct node *)tn;
 }
 
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 90d22ae0a419..88bf051d0cbb 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -139,6 +139,8 @@ __be32 ic_servaddr = NONE;	/* Boot server IP address */
 __be32 root_server_addr = NONE; /* Address of NFS server */
 u8 root_server_path[256] = { 0, };      /* Path to mount as root */
 
+u32 ic_dev_xid;         /* Device under configuration */
+
 /* vendor class identifier */
 static char vendor_class_identifier[253] __initdata;
 
@@ -932,6 +934,13 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
                 goto drop_unlock;
         }
 
+        /* Is it a reply for the device we are configuring? */
+        if (b->xid != ic_dev_xid) {
+                if (net_ratelimit())
+                        printk(KERN_ERR "DHCP/BOOTP: Ignoring delayed packet \n");
+                goto drop_unlock;
+        }
+
         /* Parse extensions */
         if (ext_len >= 4 &&
             !memcmp(b->exten, ic_bootp_cookie, 4)) { /* Check magic cookie */
@@ -1115,6 +1124,9 @@ static int __init ic_dynamic(void)
         get_random_bytes(&timeout, sizeof(timeout));
         timeout = CONF_BASE_TIMEOUT + (timeout % (unsigned) CONF_TIMEOUT_RANDOM);
         for (;;) {
+                /* Track the device we are configuring */
+                ic_dev_xid = d->xid;
+
 #ifdef IPCONFIG_BOOTP
                 if (do_bootp && (d->able & IC_BOOTP))
                         ic_bootp_send_if(d, jiffies - start_jiffies);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index c4c60e9f068a..28205e5bfa9b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -784,8 +784,8 @@ static void rt_check_expire(void)
 {
         static unsigned int rover;
         unsigned int i = rover, goal;
-        struct rtable *rth, **rthp;
-        unsigned long length = 0, samples = 0;
+        struct rtable *rth, *aux, **rthp;
+        unsigned long samples = 0;
         unsigned long sum = 0, sum2 = 0;
         u64 mult;
 
@@ -795,9 +795,9 @@ static void rt_check_expire(void)
         goal = (unsigned int)mult;
         if (goal > rt_hash_mask)
                 goal = rt_hash_mask + 1;
-        length = 0;
         for (; goal > 0; goal--) {
                 unsigned long tmo = ip_rt_gc_timeout;
+                unsigned long length;
 
                 i = (i + 1) & rt_hash_mask;
                 rthp = &rt_hash_table[i].chain;
@@ -809,8 +809,10 @@ static void rt_check_expire(void)
 
                 if (*rthp == NULL)
                         continue;
+                length = 0;
                 spin_lock_bh(rt_hash_lock_addr(i));
                 while ((rth = *rthp) != NULL) {
+                        prefetch(rth->u.dst.rt_next);
                         if (rt_is_expired(rth)) {
                                 *rthp = rth->u.dst.rt_next;
                                 rt_free(rth);
@@ -819,33 +821,30 @@ static void rt_check_expire(void)
                         if (rth->u.dst.expires) {
                                 /* Entry is expired even if it is in use */
                                 if (time_before_eq(jiffies, rth->u.dst.expires)) {
+nofree:
                                         tmo >>= 1;
                                         rthp = &rth->u.dst.rt_next;
                                         /*
-                                         * Only bump our length if the hash
-                                         * inputs on entries n and n+1 are not
-                                         * the same, we only count entries on
+                                         * We only count entries on
                                          * a chain with equal hash inputs once
                                          * so that entries for different QOS
                                          * levels, and other non-hash input
                                          * attributes don't unfairly skew
                                          * the length computation
                                          */
-                                        if ((*rthp == NULL) ||
-                                            !compare_hash_inputs(&(*rthp)->fl,
-                                                                 &rth->fl))
-                                                length += ONE;
+                                        for (aux = rt_hash_table[i].chain;;) {
+                                                if (aux == rth) {
+                                                        length += ONE;
+                                                        break;
+                                                }
+                                                if (compare_hash_inputs(&aux->fl, &rth->fl))
+                                                        break;
+                                                aux = aux->u.dst.rt_next;
+                                        }
                                         continue;
                                 }
-                        } else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout)) {
-                                tmo >>= 1;
-                                rthp = &rth->u.dst.rt_next;
-                                if ((*rthp == NULL) ||
-                                    !compare_hash_inputs(&(*rthp)->fl,
-                                                         &rth->fl))
-                                        length += ONE;
-                                continue;
-                        }
+                        } else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout))
+                                goto nofree;
 
                         /* Cleanup aged off entries. */
                         *rthp = rth->u.dst.rt_next;
@@ -1068,7 +1067,6 @@ out:	return 0;
 static int rt_intern_hash(unsigned hash, struct rtable *rt, struct rtable **rp)
 {
         struct rtable   *rth, **rthp;
-        struct rtable   *rthi;
         unsigned long   now;
         struct rtable *cand, **candp;
         u32             min_score;
@@ -1088,7 +1086,6 @@ restart:
         }
 
         rthp = &rt_hash_table[hash].chain;
-        rthi = NULL;
 
         spin_lock_bh(rt_hash_lock_addr(hash));
         while ((rth = *rthp) != NULL) {
@@ -1134,17 +1131,6 @@ restart:
                 chain_length++;
 
                 rthp = &rth->u.dst.rt_next;
-
-                /*
-                 * check to see if the next entry in the chain
-                 * contains the same hash input values as rt.  If it does
-                 * This is where we will insert into the list, instead of
-                 * at the head.  This groups entries that differ by aspects not
-                 * relvant to the hash function together, which we use to adjust
-                 * our chain length
-                 */
-                if (*rthp && compare_hash_inputs(&(*rthp)->fl, &rt->fl))
-                        rthi = rth;
         }
 
         if (cand) {
@@ -1205,10 +1191,7 @@ restart:
                 }
         }
 
-        if (rthi)
-                rt->u.dst.rt_next = rthi->u.dst.rt_next;
-        else
-                rt->u.dst.rt_next = rt_hash_table[hash].chain;
+        rt->u.dst.rt_next = rt_hash_table[hash].chain;
 
 #if RT_CACHE_DEBUG >= 2
         if (rt->u.dst.rt_next) {
@@ -1224,10 +1207,7 @@ restart:
          * previous writes to rt are comitted to memory
          * before making rt visible to other CPUS.
          */
-        if (rthi)
-                rcu_assign_pointer(rthi->u.dst.rt_next, rt);
-        else
-                rcu_assign_pointer(rt_hash_table[hash].chain, rt);
+        rcu_assign_pointer(rt_hash_table[hash].chain, rt);
 
         spin_unlock_bh(rt_hash_lock_addr(hash));
         *rp = rt;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 1d7f49c6f0ca..7a0f0b27bf1f 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1321,6 +1321,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
         struct task_struct *user_recv = NULL;
         int copied_early = 0;
         struct sk_buff *skb;
+        u32 urg_hole = 0;
 
         lock_sock(sk);
 
@@ -1532,7 +1533,8 @@ do_prequeue:
                                 }
                         }
                 }
-                if ((flags & MSG_PEEK) && peek_seq != tp->copied_seq) {
+                if ((flags & MSG_PEEK) &&
+                    (peek_seq - copied - urg_hole != tp->copied_seq)) {
                         if (net_ratelimit())
                                 printk(KERN_DEBUG "TCP(%s:%d): Application bug, race in MSG_PEEK.\n",
                                        current->comm, task_pid_nr(current));
@@ -1553,6 +1555,7 @@ do_prequeue:
                                 if (!urg_offset) {
                                         if (!sock_flag(sk, SOCK_URGINLINE)) {
                                                 ++*seq;
+                                                urg_hole++;
                                                 offset++;
                                                 used--;
                                                 if (!used)
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index a453aac91bd3..c6743eec9b7d 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -158,6 +158,11 @@ void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event)
 }
 EXPORT_SYMBOL_GPL(tcp_vegas_cwnd_event);
 
+static inline u32 tcp_vegas_ssthresh(struct tcp_sock *tp)
+{
+        return  min(tp->snd_ssthresh, tp->snd_cwnd-1);
+}
+
 static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 {
         struct tcp_sock *tp = tcp_sk(sk);
@@ -221,11 +226,10 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
                          */
                         diff = tp->snd_cwnd * (rtt-vegas->baseRTT) / vegas->baseRTT;
 
-                        if (diff > gamma && tp->snd_ssthresh > 2 ) {
+                        if (diff > gamma && tp->snd_cwnd <= tp->snd_ssthresh) {
                                 /* Going too fast. Time to slow down
                                  * and switch to congestion avoidance.
                                  */
-                                tp->snd_ssthresh = 2;
 
                                 /* Set cwnd to match the actual rate
                                  * exactly:
@@ -235,6 +239,7 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
                                  * utilization.
                                  */
                                 tp->snd_cwnd = min(tp->snd_cwnd, (u32)target_cwnd+1);
+                                tp->snd_ssthresh = tcp_vegas_ssthresh(tp);
 
                         } else if (tp->snd_cwnd <= tp->snd_ssthresh) {
                                 /* Slow start.  */
@@ -250,6 +255,8 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
                                          * we slow down.
                                          */
                                         tp->snd_cwnd--;
+                                        tp->snd_ssthresh
+                                                = tcp_vegas_ssthresh(tp);
                                 } else if (diff < alpha) {
                                         /* We don't have enough extra packets
                                          * in the network, so speed up.
diff --git a/net/ipv6/netfilter/ip6t_ipv6header.c b/net/ipv6/netfilter/ip6t_ipv6header.c
index 14e6724d5672..91490ad9302c 100644
--- a/net/ipv6/netfilter/ip6t_ipv6header.c
+++ b/net/ipv6/netfilter/ip6t_ipv6header.c
@@ -50,14 +50,14 @@ ipv6header_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
                 struct ipv6_opt_hdr _hdr;
                 int hdrlen;
 
-                /* Is there enough space for the next ext header? */
-                if (len < (int)sizeof(struct ipv6_opt_hdr))
-                        return false;
                 /* No more exthdr -> evaluate */
                 if (nexthdr == NEXTHDR_NONE) {
                         temp |= MASK_NONE;
                         break;
                 }
+                /* Is there enough space for the next ext header? */
+                if (len < (int)sizeof(struct ipv6_opt_hdr))
+                        return false;
                 /* ESP -> evaluate */
                 if (nexthdr == NEXTHDR_ESP) {
                         temp |= MASK_ESP;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1394ddb6e35c..032a5ec391c5 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -137,6 +137,7 @@ static struct rt6_info ip6_null_entry_template = {
                 }
         },
         .rt6i_flags     = (RTF_REJECT | RTF_NONEXTHOP),
+        .rt6i_protocol  = RTPROT_KERNEL,
         .rt6i_metric    = ~(u32) 0,
         .rt6i_ref       = ATOMIC_INIT(1),
 };
@@ -159,6 +160,7 @@ static struct rt6_info ip6_prohibit_entry_template = {
                 }
         },
         .rt6i_flags     = (RTF_REJECT | RTF_NONEXTHOP),
+        .rt6i_protocol  = RTPROT_KERNEL,
         .rt6i_metric    = ~(u32) 0,
         .rt6i_ref       = ATOMIC_INIT(1),
 };
@@ -176,6 +178,7 @@ static struct rt6_info ip6_blk_hole_entry_template = {
                 }
         },
         .rt6i_flags     = (RTF_REJECT | RTF_NONEXTHOP),
+        .rt6i_protocol  = RTPROT_KERNEL,
         .rt6i_metric    = ~(u32) 0,
         .rt6i_ref       = ATOMIC_INIT(1),
 };
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 3824990d340b..d9233ec50610 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -476,8 +476,8 @@ minstrel_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
                 return NULL;
 
         for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
-                sband = hw->wiphy->bands[hw->conf.channel->band];
-                if (sband->n_bitrates > max_rates)
+                sband = hw->wiphy->bands[i];
+                if (sband && sband->n_bitrates > max_rates)
                         max_rates = sband->n_bitrates;
         }
 
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index b16801cde06f..8bef9a1262ff 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -317,13 +317,44 @@ rate_control_pid_rate_init(void *priv, struct ieee80211_supported_band *sband,
                            struct ieee80211_sta *sta, void *priv_sta)
 {
         struct rc_pid_sta_info *spinfo = priv_sta;
+        struct rc_pid_info *pinfo = priv;
+        struct rc_pid_rateinfo *rinfo = pinfo->rinfo;
         struct sta_info *si;
+        int i, j, tmp;
+        bool s;
 
         /* TODO: This routine should consider using RSSI from previous packets
          * as we need to have IEEE 802.1X auth succeed immediately after assoc..
          * Until that method is implemented, we will use the lowest supported
          * rate as a workaround. */
 
+        /* Sort the rates. This is optimized for the most common case (i.e.
+         * almost-sorted CCK+OFDM rates). Kind of bubble-sort with reversed
+         * mapping too. */
+        for (i = 0; i < sband->n_bitrates; i++) {
+                rinfo[i].index = i;
+                rinfo[i].rev_index = i;
+                if (RC_PID_FAST_START)
+                        rinfo[i].diff = 0;
+                else
+                        rinfo[i].diff = i * pinfo->norm_offset;
+        }
+        for (i = 1; i < sband->n_bitrates; i++) {
+                s = 0;
+                for (j = 0; j < sband->n_bitrates - i; j++)
+                        if (unlikely(sband->bitrates[rinfo[j].index].bitrate >
+                                     sband->bitrates[rinfo[j + 1].index].bitrate)) {
+                                tmp = rinfo[j].index;
+                                rinfo[j].index = rinfo[j + 1].index;
+                                rinfo[j + 1].index = tmp;
+                                rinfo[rinfo[j].index].rev_index = j;
+                                rinfo[rinfo[j + 1].index].rev_index = j + 1;
+                                s = 1;
+                        }
+                if (!s)
+                        break;
+        }
+
         spinfo->txrate_idx = rate_lowest_index(sband, sta);
         /* HACK */
         si = container_of(sta, struct sta_info, sta);
@@ -336,21 +367,22 @@ static void *rate_control_pid_alloc(struct ieee80211_hw *hw,
         struct rc_pid_info *pinfo;
         struct rc_pid_rateinfo *rinfo;
         struct ieee80211_supported_band *sband;
-        int i, j, tmp;
-        bool s;
+        int i, max_rates = 0;
 #ifdef CONFIG_MAC80211_DEBUGFS
         struct rc_pid_debugfs_entries *de;
 #endif
 
-        sband = hw->wiphy->bands[hw->conf.channel->band];
-
         pinfo = kmalloc(sizeof(*pinfo), GFP_ATOMIC);
         if (!pinfo)
                 return NULL;
 
-        /* We can safely assume that sband won't change unless we get
-         * reinitialized. */
-        rinfo = kmalloc(sizeof(*rinfo) * sband->n_bitrates, GFP_ATOMIC);
+        for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
+                sband = hw->wiphy->bands[i];
+                if (sband && sband->n_bitrates > max_rates)
+                        max_rates = sband->n_bitrates;
+        }
+
+        rinfo = kmalloc(sizeof(*rinfo) * max_rates, GFP_ATOMIC);
         if (!rinfo) {
                 kfree(pinfo);
                 return NULL;
@@ -368,33 +400,6 @@ static void *rate_control_pid_alloc(struct ieee80211_hw *hw,
         pinfo->rinfo = rinfo;
         pinfo->oldrate = 0;
 
-        /* Sort the rates. This is optimized for the most common case (i.e.
-         * almost-sorted CCK+OFDM rates). Kind of bubble-sort with reversed
-         * mapping too. */
-        for (i = 0; i < sband->n_bitrates; i++) {
-                rinfo[i].index = i;
-                rinfo[i].rev_index = i;
-                if (RC_PID_FAST_START)
-                        rinfo[i].diff = 0;
-                else
-                        rinfo[i].diff = i * pinfo->norm_offset;
-        }
-        for (i = 1; i < sband->n_bitrates; i++) {
-                s = 0;
-                for (j = 0; j < sband->n_bitrates - i; j++)
-                        if (unlikely(sband->bitrates[rinfo[j].index].bitrate >
-                                     sband->bitrates[rinfo[j + 1].index].bitrate)) {
-                                tmp = rinfo[j].index;
-                                rinfo[j].index = rinfo[j + 1].index;
-                                rinfo[j + 1].index = tmp;
-                                rinfo[rinfo[j].index].rev_index = j;
-                                rinfo[rinfo[j + 1].index].rev_index = j + 1;
-                                s = 1;
-                        }
-                if (!s)
-                        break;
-        }
-
 #ifdef CONFIG_MAC80211_DEBUGFS
         de = &pinfo->dentries;
         de->target = debugfs_create_u32("target_pf", S_IRUSR | S_IWUSR,
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3fb04a86444d..63656266d567 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -772,7 +772,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
         hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
         /* internal error, why is TX_FRAGMENTED set? */
-        if (WARN_ON(skb->len <= frag_threshold))
+        if (WARN_ON(skb->len + FCS_LEN <= frag_threshold))
                 return TX_DROP;
 
         /*
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 60aba45023ff..77bfdfeb966e 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -260,7 +260,10 @@ struct ip_vs_conn *ip_vs_ct_in_get
         list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
                 if (cp->af == af &&
                     ip_vs_addr_equal(af, s_addr, &cp->caddr) &&
-                    ip_vs_addr_equal(af, d_addr, &cp->vaddr) &&
+                    /* protocol should only be IPPROTO_IP if
+                     * d_addr is a fwmark */
+                    ip_vs_addr_equal(protocol == IPPROTO_IP ? AF_UNSPEC : af,
+                                     d_addr, &cp->vaddr) &&
                     s_port == cp->cport && d_port == cp->vport &&
                     cp->flags & IP_VS_CONN_F_TEMPLATE &&
                     protocol == cp->protocol) {
@@ -698,7 +701,9 @@ ip_vs_conn_new(int af, int proto, const union nf_inet_addr *caddr, __be16 cport,
         cp->cport          = cport;
         ip_vs_addr_copy(af, &cp->vaddr, vaddr);
         cp->vport          = vport;
-        ip_vs_addr_copy(af, &cp->daddr, daddr);
+        /* proto should only be IPPROTO_IP if d_addr is a fwmark */
+        ip_vs_addr_copy(proto == IPPROTO_IP ? AF_UNSPEC : af,
+                        &cp->daddr, daddr);
         cp->dport          = dport;
         cp->flags          = flags;
         spin_lock_init(&cp->lock);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index cb3e031335eb..8dddb17a947a 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -278,7 +278,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
                  */
                 if (svc->fwmark) {
                         union nf_inet_addr fwmark = {
-                                .all = { 0, 0, 0, htonl(svc->fwmark) }
+                                .ip = htonl(svc->fwmark)
                         };
 
                         ct = ip_vs_ct_in_get(svc->af, IPPROTO_IP, &snet, 0,
@@ -306,7 +306,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
                          */
                         if (svc->fwmark) {
                                 union nf_inet_addr fwmark = {
-                                        .all = { 0, 0, 0, htonl(svc->fwmark) }
+                                        .ip = htonl(svc->fwmark)
                                 };
 
                                 ct = ip_vs_conn_new(svc->af, IPPROTO_IP,
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index f13fc57e1ecb..c523f0b8cee5 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1186,28 +1186,6 @@ ctnetlink_change_conntrack(struct nf_conn *ct, struct nlattr *cda[])
         return 0;
 }
 
-static inline void
-ctnetlink_event_report(struct nf_conn *ct, u32 pid, int report)
-{
-        unsigned int events = 0;
-
-        if (test_bit(IPS_EXPECTED_BIT, &ct->status))
-                events |= IPCT_RELATED;
-        else
-                events |= IPCT_NEW;
-
-        nf_conntrack_event_report(IPCT_STATUS |
-                                  IPCT_HELPER |
-                                  IPCT_REFRESH |
-                                  IPCT_PROTOINFO |
-                                  IPCT_NATSEQADJ |
-                                  IPCT_MARK |
-                                  events,
-                                  ct,
-                                  pid,
-                                  report);
-}
-
 static struct nf_conn *
 ctnetlink_create_conntrack(struct nlattr *cda[],
                            struct nf_conntrack_tuple *otuple,
@@ -1373,6 +1351,7 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
                 err = -ENOENT;
                 if (nlh->nlmsg_flags & NLM_F_CREATE) {
                         struct nf_conn *ct;
+                        enum ip_conntrack_events events;
 
                         ct = ctnetlink_create_conntrack(cda, &otuple,
                                                         &rtuple, u3);
@@ -1383,9 +1362,18 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
                         err = 0;
                         nf_conntrack_get(&ct->ct_general);
                         spin_unlock_bh(&nf_conntrack_lock);
-                        ctnetlink_event_report(ct,
-                                               NETLINK_CB(skb).pid,
-                                               nlmsg_report(nlh));
+                        if (test_bit(IPS_EXPECTED_BIT, &ct->status))
+                                events = IPCT_RELATED;
+                        else
+                                events = IPCT_NEW;
+
+                        nf_conntrack_event_report(IPCT_STATUS |
+                                                  IPCT_HELPER |
+                                                  IPCT_PROTOINFO |
+                                                  IPCT_NATSEQADJ |
+                                                  IPCT_MARK | events,
+                                                  ct, NETLINK_CB(skb).pid,
+                                                  nlmsg_report(nlh));
                         nf_ct_put(ct);
                 } else
                         spin_unlock_bh(&nf_conntrack_lock);
@@ -1404,9 +1392,13 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
                 if (err == 0) {
                         nf_conntrack_get(&ct->ct_general);
                         spin_unlock_bh(&nf_conntrack_lock);
-                        ctnetlink_event_report(ct,
-                                               NETLINK_CB(skb).pid,
-                                               nlmsg_report(nlh));
+                        nf_conntrack_event_report(IPCT_STATUS |
+                                                  IPCT_HELPER |
+                                                  IPCT_PROTOINFO |
+                                                  IPCT_NATSEQADJ |
+                                                  IPCT_MARK,
+                                                  ct, NETLINK_CB(skb).pid,
+                                                  nlmsg_report(nlh));
                         nf_ct_put(ct);
                 } else
                         spin_unlock_bh(&nf_conntrack_lock);
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 8e757dd53396..aee0d6bea309 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -22,6 +22,7 @@
 #include <linux/netfilter/nfnetlink_conntrack.h>
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_l4proto.h>
+#include <net/netfilter/nf_conntrack_ecache.h>
 #include <net/netfilter/nf_log.h>
 
 static DEFINE_RWLOCK(dccp_lock);
@@ -553,6 +554,9 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb,
         ct->proto.dccp.state = new_state;
         write_unlock_bh(&dccp_lock);
 
+        if (new_state != old_state)
+                nf_conntrack_event_cache(IPCT_PROTOINFO, ct);
+
         dn = dccp_pernet(net);
         nf_ct_refresh_acct(ct, ctinfo, skb, dn->dccp_timeout[new_state]);
 
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index b5ccf2b4b2e7..97a6e93d742e 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -634,6 +634,14 @@ static bool tcp_in_window(const struct nf_conn *ct,
                         sender->td_end = end;
                         sender->flags |= IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED;
                 }
+                if (tcph->ack) {
+                        if (!(sender->flags & IP_CT_TCP_FLAG_MAXACK_SET)) {
+                                sender->td_maxack = ack;
+                                sender->flags |= IP_CT_TCP_FLAG_MAXACK_SET;
+                        } else if (after(ack, sender->td_maxack))
+                                sender->td_maxack = ack;
+                }
+
                 /*
                  * Update receiver data.
                  */
@@ -919,6 +927,16 @@ static int tcp_packet(struct nf_conn *ct,
                 return -NF_ACCEPT;
         case TCP_CONNTRACK_CLOSE:
                 if (index == TCP_RST_SET
+                    && (ct->proto.tcp.seen[!dir].flags & IP_CT_TCP_FLAG_MAXACK_SET)
+                    && before(ntohl(th->seq), ct->proto.tcp.seen[!dir].td_maxack)) {
+                        /* Invalid RST  */
+                        write_unlock_bh(&tcp_lock);
+                        if (LOG_INVALID(net, IPPROTO_TCP))
+                                nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
+                                          "nf_ct_tcp: invalid RST ");
+                        return -NF_ACCEPT;
+                }
+                if (index == TCP_RST_SET
                     && ((test_bit(IPS_SEEN_REPLY_BIT, &ct->status)
                          && ct->proto.tcp.last_index == TCP_SYN_SET)
                         || (!test_bit(IPS_ASSURED_BIT, &ct->status)
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index fd326ac27ec8..66a6dd5c519a 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -581,6 +581,12 @@ nfulnl_log_packet(u_int8_t pf,
                 + nla_total_size(sizeof(struct nfulnl_msg_packet_hw))
                 + nla_total_size(sizeof(struct nfulnl_msg_packet_timestamp));
 
+        if (in && skb_mac_header_was_set(skb)) {
+                size +=   nla_total_size(skb->dev->hard_header_len)
+                        + nla_total_size(sizeof(u_int16_t))     /* hwtype */
+                        + nla_total_size(sizeof(u_int16_t));    /* hwlen */
+        }
+
         spin_lock_bh(&inst->lock);
 
         if (inst->flags & NFULNL_CFG_F_SEQ)
diff --git a/net/netfilter/xt_cluster.c b/net/netfilter/xt_cluster.c
index 6c4847662b85..69a639f35403 100644
--- a/net/netfilter/xt_cluster.c
+++ b/net/netfilter/xt_cluster.c
@@ -135,7 +135,13 @@ static bool xt_cluster_mt_checkentry(const struct xt_mtchk_param *par)
 {
         struct xt_cluster_match_info *info = par->matchinfo;
 
-        if (info->node_mask >= (1 << info->total_nodes)) {
+        if (info->total_nodes > XT_CLUSTER_NODES_MAX) {
+                printk(KERN_ERR "xt_cluster: you have exceeded the maximum "
+                                "number of cluster nodes (%u > %u)\n",
+                                info->total_nodes, XT_CLUSTER_NODES_MAX);
+                return false;
+        }
+        if (info->node_mask >= (1ULL << info->total_nodes)) {
                 printk(KERN_ERR "xt_cluster: this node mask cannot be "
                                 "higher than the total number of nodes\n");
                 return false;
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index a5b5369c30f9..219dcdbe388c 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -926,7 +926,7 @@ static int dl_seq_show(struct seq_file *s, void *v)
         if (!hlist_empty(&htable->hash[*bucket])) {
                 hlist_for_each_entry(ent, pos, &htable->hash[*bucket], node)
                         if (dl_seq_real_show(ent, htable->family, s))
-                                return 1;
+                                return -1;
         }
         return 0;
 }
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
index 0f1218b8d289..67e38a056240 100644
--- a/net/rxrpc/ar-connection.c
+++ b/net/rxrpc/ar-connection.c
@@ -343,9 +343,9 @@ static int rxrpc_connect_exclusive(struct rxrpc_sock *rx,
                 /* not yet present - create a candidate for a new connection
                  * and then redo the check */
                 conn = rxrpc_alloc_connection(gfp);
-                if (IS_ERR(conn)) {
-                        _leave(" = %ld", PTR_ERR(conn));
-                        return PTR_ERR(conn);
+                if (!conn) {
+                        _leave(" = -ENOMEM");
+                        return -ENOMEM;
                 }
 
                 conn->trans = trans;
@@ -508,9 +508,9 @@ int rxrpc_connect_call(struct rxrpc_sock *rx,
                 /* not yet present - create a candidate for a new connection and then
                  * redo the check */
                 candidate = rxrpc_alloc_connection(gfp);
-                if (IS_ERR(candidate)) {
-                        _leave(" = %ld", PTR_ERR(candidate));
-                        return PTR_ERR(candidate);
+                if (!candidate) {
+                        _leave(" = -ENOMEM");
+                        return -ENOMEM;
                 }
 
                 candidate->trans = trans;
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 91a3db4a76f8..cc29b44b1500 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -104,8 +104,7 @@ static int cls_cgroup_classify(struct sk_buff *skb, struct tcf_proto *tp,
                                struct tcf_result *res)
 {
         struct cls_cgroup_head *head = tp->root;
-        struct cgroup_cls_state *cs;
-        int ret = 0;
+        u32 classid;
 
         /*
          * Due to the nature of the classifier it is required to ignore all
@@ -121,17 +120,18 @@ static int cls_cgroup_classify(struct sk_buff *skb, struct tcf_proto *tp,
                 return -1;
 
         rcu_read_lock();
-        cs = task_cls_state(current);
-        if (cs->classid && tcf_em_tree_match(skb, &head->ematches, NULL)) {
-                res->classid = cs->classid;
-                res->class = 0;
-                ret = tcf_exts_exec(skb, &head->exts, res);
-        } else
-                ret = -1;
-
+        classid = task_cls_state(current)->classid;
         rcu_read_unlock();
 
-        return ret;
+        if (!classid)
+                return -1;
+
+        if (!tcf_em_tree_match(skb, &head->ematches, NULL))
+                return -1;
+
+        res->classid = classid;
+        res->class = 0;
+        return tcf_exts_exec(skb, &head->exts, res);
 }
 
 static unsigned long cls_cgroup_get(struct tcf_proto *tp, u32 handle)
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c
index 92cfc9d7e3b9..69188e8358b4 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -51,7 +51,7 @@ static int fifo_init(struct Qdisc *sch, struct nlattr *opt)
                 u32 limit = qdisc_dev(sch)->tx_queue_len ? : 1;
 
                 if (sch->ops == &bfifo_qdisc_ops)
-                        limit *= qdisc_dev(sch)->mtu;
+                        limit *= psched_mtu(qdisc_dev(sch));
 
                 q->limit = limit;
         } else {
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index ec697cebb63b..3b6418297231 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -303,6 +303,8 @@ restart:
                 switch (teql_resolve(skb, skb_res, slave)) {
                 case 0:
                         if (__netif_tx_trylock(slave_txq)) {
+                                unsigned int length = qdisc_pkt_len(skb);
+
                                 if (!netif_tx_queue_stopped(slave_txq) &&
                                     !netif_tx_queue_frozen(slave_txq) &&
                                     slave_ops->ndo_start_xmit(skb, slave) == 0) {
@@ -310,8 +312,7 @@ restart:
                                         master->slaves = NEXT_SLAVE(q);
                                         netif_wake_queue(dev);
                                         master->stats.tx_packets++;
-                                        master->stats.tx_bytes +=
-                                                qdisc_pkt_len(skb);
+                                        master->stats.tx_bytes += length;
                                         return 0;
                                 }
                                 __netif_tx_unlock(slave_txq);
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index af3198814c15..9d504234af4a 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -345,6 +345,7 @@ static void svc_sock_setbufsize(struct socket *sock, unsigned int snd,
         lock_sock(sock->sk);
         sock->sk->sk_sndbuf = snd * 2;
         sock->sk->sk_rcvbuf = rcv * 2;
+        sock->sk->sk_userlocks |= SOCK_SNDBUF_LOCK|SOCK_RCVBUF_LOCK;
         release_sock(sock->sk);
 #endif
 }
@@ -796,6 +797,23 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
                 test_bit(XPT_CONN, &svsk->sk_xprt.xpt_flags),
                 test_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags));
 
+        if (test_and_clear_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags))
+                /* sndbuf needs to have room for one request
+                 * per thread, otherwise we can stall even when the
+                 * network isn't a bottleneck.
+                 *
+                 * We count all threads rather than threads in a
+                 * particular pool, which provides an upper bound
+                 * on the number of threads which will access the socket.
+                 *
+                 * rcvbuf just needs to be able to hold a few requests.
+                 * Normally they will be removed from the queue
+                 * as soon a a complete request arrives.
+                 */
+                svc_sock_setbufsize(svsk->sk_sock,
+                                    (serv->sv_nrthreads+3) * serv->sv_max_mesg,
+                                    3 * serv->sv_max_mesg);
+
         clear_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
 
         /* Receive data. If we haven't got the record length yet, get
@@ -1043,6 +1061,15 @@ static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv)
 
                 tcp_sk(sk)->nonagle |= TCP_NAGLE_OFF;
 
+                /* initialise setting must have enough space to
+                 * receive and respond to one request.
+                 * svc_tcp_recvfrom will re-adjust if necessary
+                 */
+                svc_sock_setbufsize(svsk->sk_sock,
+                                    3 * svsk->sk_xprt.xpt_server->sv_max_mesg,
+                                    3 * svsk->sk_xprt.xpt_server->sv_max_mesg);
+
+                set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
                 set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
                 if (sk->sk_state != TCP_ESTABLISHED)
                         set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
@@ -1112,14 +1139,8 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
         /* Initialize the socket */
         if (sock->type == SOCK_DGRAM)
                 svc_udp_init(svsk, serv);
-        else {
-                /* initialise setting must have enough space to
-                 * receive and respond to one request.
-                 */
-                svc_sock_setbufsize(svsk->sk_sock, 4 * serv->sv_max_mesg,
-                                        4 * serv->sv_max_mesg);
+        else
                 svc_tcp_init(svsk, serv);
-        }
 
         dprintk("svc: svc_setup_socket created %p (inet %p)\n",
                                 svsk, svsk->sk_sk);
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index 629a28764da9..42a6f9f20285 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -265,7 +265,7 @@ static int fast_reg_read_chunks(struct svcxprt_rdma *xprt,
                 frmr->page_list->page_list[page_no] =
                         ib_dma_map_single(xprt->sc_cm_id->device,
                                           page_address(rqstp->rq_arg.pages[page_no]),
-                                          PAGE_SIZE, DMA_TO_DEVICE);
+                                          PAGE_SIZE, DMA_FROM_DEVICE);
                 if (ib_dma_mapping_error(xprt->sc_cm_id->device,
                                          frmr->page_list->page_list[page_no]))
                         goto fatal_err;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 6c26a675435a..f11be72a1a80 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -128,7 +128,8 @@ static int fast_reg_xdr(struct svcxprt_rdma *xprt,
                 page_bytes -= sge_bytes;
 
                 frmr->page_list->page_list[page_no] =
-                        ib_dma_map_page(xprt->sc_cm_id->device, page, 0,
+                        ib_dma_map_single(xprt->sc_cm_id->device,
+                                          page_address(page),
                                           PAGE_SIZE, DMA_TO_DEVICE);
                 if (ib_dma_mapping_error(xprt->sc_cm_id->device,
                                          frmr->page_list->page_list[page_no]))
@@ -183,6 +184,7 @@ static int fast_reg_xdr(struct svcxprt_rdma *xprt,
 
  fatal_err:
         printk("svcrdma: Error fast registering memory for xprt %p\n", xprt);
+        vec->frmr = NULL;
         svc_rdma_put_frmr(xprt, frmr);
         return -EIO;
 }
@@ -516,6 +518,7 @@ static int send_reply(struct svcxprt_rdma *rdma,
                        "svcrdma: could not post a receive buffer, err=%d."
                        "Closing transport %p.\n", ret, rdma);
                 set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);
+                svc_rdma_put_frmr(rdma, vec->frmr);
                 svc_rdma_put_context(ctxt, 0);
                 return -ENOTCONN;
         }
@@ -530,18 +533,17 @@ static int send_reply(struct svcxprt_rdma *rdma,
                 clear_bit(RDMACTXT_F_FAST_UNREG, &ctxt->flags);
 
         /* Prepare the SGE for the RPCRDMA Header */
+        ctxt->sge[0].lkey = rdma->sc_dma_lkey;
+        ctxt->sge[0].length = svc_rdma_xdr_get_reply_hdr_len(rdma_resp);
         ctxt->sge[0].addr =
-                ib_dma_map_page(rdma->sc_cm_id->device,
-                                page, 0, PAGE_SIZE, DMA_TO_DEVICE);
+                ib_dma_map_single(rdma->sc_cm_id->device, page_address(page),
+                                  ctxt->sge[0].length, DMA_TO_DEVICE);
         if (ib_dma_mapping_error(rdma->sc_cm_id->device, ctxt->sge[0].addr))
                 goto err;
         atomic_inc(&rdma->sc_dma_used);
 
         ctxt->direction = DMA_TO_DEVICE;
 
-        ctxt->sge[0].length = svc_rdma_xdr_get_reply_hdr_len(rdma_resp);
-        ctxt->sge[0].lkey = rdma->sc_dma_lkey;
-
         /* Determine how many of our SGE are to be transmitted */
         for (sge_no = 1; byte_count && sge_no < vec->count; sge_no++) {
                 sge_bytes = min_t(size_t, vec->sge[sge_no].iov_len, byte_count);
@@ -606,6 +608,7 @@ static int send_reply(struct svcxprt_rdma *rdma,
         return 0;
 
  err:
+        svc_rdma_unmap_dma(ctxt);
         svc_rdma_put_frmr(rdma, vec->frmr);
         svc_rdma_put_context(ctxt, 1);
         return -EIO;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 3d810e7df3fb..5151f9f6c573 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -500,8 +500,8 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt)
                 BUG_ON(sge_no >= xprt->sc_max_sge);
                 page = svc_rdma_get_page();
                 ctxt->pages[sge_no] = page;
-                pa = ib_dma_map_page(xprt->sc_cm_id->device,
-                                     page, 0, PAGE_SIZE,
+                pa = ib_dma_map_single(xprt->sc_cm_id->device,
+                                     page_address(page), PAGE_SIZE,
                                      DMA_FROM_DEVICE);
                 if (ib_dma_mapping_error(xprt->sc_cm_id->device, pa))
                         goto err_put_ctxt;
@@ -520,8 +520,9 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt)
         svc_xprt_get(&xprt->sc_xprt);
         ret = ib_post_recv(xprt->sc_qp, &recv_wr, &bad_recv_wr);
         if (ret) {
-                svc_xprt_put(&xprt->sc_xprt);
+                svc_rdma_unmap_dma(ctxt);
                 svc_rdma_put_context(ctxt, 1);
+                svc_xprt_put(&xprt->sc_xprt);
         }
         return ret;
 
@@ -1314,8 +1315,8 @@ void svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp,
         length = svc_rdma_xdr_encode_error(xprt, rmsgp, err, va);
 
         /* Prepare SGE for local address */
-        sge.addr = ib_dma_map_page(xprt->sc_cm_id->device,
-                                   p, 0, PAGE_SIZE, DMA_FROM_DEVICE);
+        sge.addr = ib_dma_map_single(xprt->sc_cm_id->device,
+                                   page_address(p), PAGE_SIZE, DMA_FROM_DEVICE);
         if (ib_dma_mapping_error(xprt->sc_cm_id->device, sge.addr)) {
                 put_page(p);
                 return;
@@ -1342,7 +1343,7 @@ void svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp,
         if (ret) {
                 dprintk("svcrdma: Error %d posting send for protocol error\n",
                         ret);
-                ib_dma_unmap_page(xprt->sc_cm_id->device,
+                ib_dma_unmap_single(xprt->sc_cm_id->device,
                                   sge.addr, PAGE_SIZE,
                                   DMA_FROM_DEVICE);
                 svc_rdma_put_context(ctxt, 1);
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 3b21e0cc5e69..465aafc2007f 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1495,7 +1495,8 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg,
         frmr_wr.wr.fast_reg.page_shift = PAGE_SHIFT;
         frmr_wr.wr.fast_reg.length = i << PAGE_SHIFT;
         frmr_wr.wr.fast_reg.access_flags = (writing ?
-                                IB_ACCESS_REMOTE_WRITE : IB_ACCESS_REMOTE_READ);
+                                IB_ACCESS_REMOTE_WRITE | IB_ACCESS_LOCAL_WRITE :
+                                IB_ACCESS_REMOTE_READ);
         frmr_wr.wr.fast_reg.rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey;
         DECR_CQCOUNT(&r_xprt->rx_ep);
 
diff --git a/net/wimax/op-msg.c b/net/wimax/op-msg.c
index 5d149c1b5f0d..9ad4d893a566 100644
--- a/net/wimax/op-msg.c
+++ b/net/wimax/op-msg.c
@@ -149,7 +149,8 @@ struct sk_buff *wimax_msg_alloc(struct wimax_dev *wimax_dev,
         }
         result = nla_put(skb, WIMAX_GNL_MSG_DATA, size, msg);
         if (result < 0) {
-                dev_err(dev, "no memory to add payload in attribute\n");
+                dev_err(dev, "no memory to add payload (msg %p size %zu) in "
+                        "attribute: %d\n", msg, size, result);
                 goto error_nla_put;
         }
         genlmsg_end(skb, genl_msg);
@@ -299,10 +300,10 @@ int wimax_msg(struct wimax_dev *wimax_dev, const char *pipe_name,
         struct sk_buff *skb;
 
         skb = wimax_msg_alloc(wimax_dev, pipe_name, buf, size, gfp_flags);
-        if (skb == NULL)
-                goto error_msg_new;
-        result = wimax_msg_send(wimax_dev, skb);
-error_msg_new:
+        if (IS_ERR(skb))
+                result = PTR_ERR(skb);
+        else
+                result = wimax_msg_send(wimax_dev, skb);
         return result;
 }
 EXPORT_SYMBOL_GPL(wimax_msg);
diff --git a/net/wimax/stack.c b/net/wimax/stack.c
index a0ee76b52510..933e1422b09f 100644
--- a/net/wimax/stack.c
+++ b/net/wimax/stack.c
@@ -338,8 +338,21 @@ out:
  */
 void wimax_state_change(struct wimax_dev *wimax_dev, enum wimax_st new_state)
 {
+        /*
+         * A driver cannot take the wimax_dev out of the
+         * __WIMAX_ST_NULL state unless by calling wimax_dev_add(). If
+         * the wimax_dev's state is still NULL, we ignore any request
+         * to change its state because it means it hasn't been yet
+         * registered.
+         *
+         * There is no need to complain about it, as routines that
+         * call this might be shared from different code paths that
+         * are called before or after wimax_dev_add() has done its
+         * job.
+         */
         mutex_lock(&wimax_dev->mutex);
-        __wimax_state_change(wimax_dev, new_state);
+        if (wimax_dev->state > __WIMAX_ST_NULL)
+                __wimax_state_change(wimax_dev, new_state);
         mutex_unlock(&wimax_dev->mutex);
         return;
 }
@@ -376,7 +389,7 @@ EXPORT_SYMBOL_GPL(wimax_state_get);
 void wimax_dev_init(struct wimax_dev *wimax_dev)
 {
         INIT_LIST_HEAD(&wimax_dev->id_table_node);
-        __wimax_state_set(wimax_dev, WIMAX_ST_UNINITIALIZED);
+        __wimax_state_set(wimax_dev, __WIMAX_ST_NULL);
         mutex_init(&wimax_dev->mutex);
         mutex_init(&wimax_dev->mutex_reset);
 }
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 6c1993d99902..487cb627ddba 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -907,6 +907,7 @@ EXPORT_SYMBOL(freq_reg_info);
 int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
                          const struct ieee80211_reg_rule **reg_rule)
 {
+        assert_cfg80211_lock();
         return freq_reg_info_regd(wiphy, center_freq,
                 bandwidth, reg_rule, NULL);
 }
@@ -1133,7 +1134,8 @@ static bool reg_is_world_roaming(struct wiphy *wiphy)
         if (is_world_regdom(cfg80211_regdomain->alpha2) ||
             (wiphy->regd && is_world_regdom(wiphy->regd->alpha2)))
                 return true;
-        if (last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+        if (last_request &&
+            last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
             wiphy->custom_regulatory)
                 return true;
         return false;
@@ -1142,6 +1144,12 @@ static bool reg_is_world_roaming(struct wiphy *wiphy)
 /* Reap the advantages of previously found beacons */
 static void reg_process_beacons(struct wiphy *wiphy)
 {
+        /*
+         * Means we are just firing up cfg80211, so no beacons would
+         * have been processed yet.
+         */
+        if (!last_request)
+                return;
         if (!reg_is_world_roaming(wiphy))
                 return;
         wiphy_update_beacon_reg(wiphy);
@@ -1176,6 +1184,8 @@ static void handle_channel_custom(struct wiphy *wiphy,
         struct ieee80211_supported_band *sband;
         struct ieee80211_channel *chan;
 
+        assert_cfg80211_lock();
+
         sband = wiphy->bands[band];
         BUG_ON(chan_idx >= sband->n_channels);
         chan = &sband->channels[chan_idx];
@@ -1214,10 +1224,13 @@ void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
                                    const struct ieee80211_regdomain *regd)
 {
         enum ieee80211_band band;
+
+        mutex_lock(&cfg80211_mutex);
         for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
                 if (wiphy->bands[band])
                         handle_band_custom(wiphy, band, regd);
         }
+        mutex_unlock(&cfg80211_mutex);
 }
 EXPORT_SYMBOL(wiphy_apply_custom_regulatory);
 
@@ -1423,7 +1436,7 @@ new_request:
         return call_crda(last_request->alpha2);
 }
 
-/* This currently only processes user and driver regulatory hints */
+/* This processes *all* regulatory hints */
 static void reg_process_hint(struct regulatory_request *reg_request)
 {
         int r = 0;
@@ -1538,6 +1551,13 @@ static int regulatory_hint_core(const char *alpha2)
 
         queue_regulatory_request(request);
 
+        /*
+         * This ensures last_request is populated once modules
+         * come swinging in and calling regulatory hints and
+         * wiphy_apply_custom_regulatory().
+         */
+        flush_scheduled_work();
+
         return 0;
 }
 
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 2ae65b39b529..1f260c40b6ca 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -395,6 +395,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
                                         memcpy(ies, res->pub.information_elements, ielen);
                                         found->ies_allocated = true;
                                         found->pub.information_elements = ies;
+                                        found->pub.len_information_elements = ielen;
                                 }
                         }
                 }
diff --git a/net/wireless/wext.c b/net/wireless/wext.c
index cb6a5bb85d80..0e59f9ae9b81 100644
--- a/net/wireless/wext.c
+++ b/net/wireless/wext.c
@@ -786,6 +786,13 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
                         err = -EFAULT;
                         goto out;
                 }
+
+                if (cmd == SIOCSIWENCODEEXT) {
+                        struct iw_encode_ext *ee = (void *) extra;
+
+                        if (iwp->length < sizeof(*ee) + ee->key_len)
+                                return -EFAULT;
+                }
         }
 
         err = handler(dev, info, (union iwreq_data *) iwp, extra);