Merge branch 'for-bfields' of git://linux-nfs.org/~tomtucker/xprt-switch-2.6 into for-2.6.27

author: J. Bruce Fields <bfields@citi.umich.edu> 2008-07-03 16:24:06 -0400
committer: J. Bruce Fields <bfields@citi.umich.edu> 2008-07-03 16:24:06 -0400
commit: e86322f611eef95aafaf726fd3965e5b211f1985 (patch)
tree: 28547e26df4fc6ae671dc8cc6912a53717e4db08 /net
parent: b001a1b6aa960949a24c2cdc28257dfcc9428d74 (diff)
parent: 8948896c9e098c6fd31a6a698a598a7cbd7fa40e (diff)
105 files changed, 1391 insertions, 1426 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 2a739adaa92b..ab2225da0ee2 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -382,6 +382,18 @@ static void vlan_sync_address(struct net_device *dev,
        memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN);
 }
+static void vlan_transfer_features(struct net_device *dev,
+                                   struct net_device *vlandev)
+{
+        unsigned long old_features = vlandev->features;
+        vlandev->features &= ~dev->vlan_features;
+        vlandev->features |= dev->features & dev->vlan_features;
+        if (old_features != vlandev->features)
+                netdev_features_change(vlandev);
+}
 static void __vlan_device_event(struct net_device *dev, unsigned long event)
 {
        switch (event) {
@@ -410,10 +422,8 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
        int i, flgs;
        struct net_device *vlandev;
-        if (is_vlan_dev(dev)) {
+        if (is_vlan_dev(dev))
                __vlan_device_event(dev, event);
-                goto out;
-        }
        grp = __vlan_find_group(dev);
        if (!grp)
@@ -450,6 +460,18 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
                }
                break;
+        case NETDEV_FEAT_CHANGE:
+                /* Propagate device features to underlying device */
+                for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+                        vlandev = vlan_group_get_device(grp, i);
+                        if (!vlandev)
+                                continue;
+                        vlan_transfer_features(dev, vlandev);
+                }
+                break;
        case NETDEV_DOWN:
                /* Put all VLANs for this dev in the down state too.  */
                for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index c961f0826005..5d055c242ed8 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -663,6 +663,8 @@ static int vlan_dev_init(struct net_device *dev)
                                          (1<<__LINK_STATE_DORMANT))) |
                      (1<<__LINK_STATE_PRESENT);
+        dev->features |= real_dev->features & real_dev->vlan_features;
        /* ipv6 shared card related stuff */
        dev->dev_id = real_dev->dev_id;
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 9d52ebfc1962..05fafdc2eea3 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -188,10 +188,13 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct br2684_dev *brdev,
                                return 0;
                        }
                }
-        } else {
+        } else { /* e_vc */
-                skb_push(skb, 2);
+                if (brdev->payload == p_bridged) {
-                if (brdev->payload == p_bridged)
+                        skb_push(skb, 2);
                        memset(skb->data, 0, 2);
+                } else { /* p_routed */
+                        skb_pull(skb, ETH_HLEN);
+                }
        }
        skb_debug(skb);
@@ -377,11 +380,8 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb)
                                 (skb->data + 6, ethertype_ipv4,
                                  sizeof(ethertype_ipv4)) == 0)
                                skb->protocol = __constant_htons(ETH_P_IP);
-                        else {
+                        else
-                                brdev->stats.rx_errors++;
+                                goto error;
-                                dev_kfree_skb(skb);
-                                return;
-                        }
                        skb_pull(skb, sizeof(llc_oui_ipv4));
                        skb_reset_network_header(skb);
                        skb->pkt_type = PACKET_HOST;
@@ -394,44 +394,56 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb)
                           (memcmp(skb->data, llc_oui_pid_pad, 7) == 0)) {
                        skb_pull(skb, sizeof(llc_oui_pid_pad));
                        skb->protocol = eth_type_trans(skb, net_dev);
-                } else {
+                } else
-                        brdev->stats.rx_errors++;
+                        goto error;
-                        dev_kfree_skb(skb);
-                        return;
-                }
-        } else {
+        } else { /* e_vc */
-                /* first 2 chars should be 0 */
+                if (brdev->payload == p_routed) {
-                if (*((u16 *) (skb->data)) != 0) {
+                        struct iphdr *iph;
-                        brdev->stats.rx_errors++;
-                        dev_kfree_skb(skb);
+                        skb_reset_network_header(skb);
-                        return;
+                        iph = ip_hdr(skb);
+                        if (iph->version == 4)
+                                skb->protocol = __constant_htons(ETH_P_IP);
+                        else if (iph->version == 6)
+                                skb->protocol = __constant_htons(ETH_P_IPV6);
+                        else
+                                goto error;
+                        skb->pkt_type = PACKET_HOST;
+                } else { /* p_bridged */
+                        /* first 2 chars should be 0 */
+                        if (*((u16 *) (skb->data)) != 0)
+                                goto error;
+                        skb_pull(skb, BR2684_PAD_LEN);
+                        skb->protocol = eth_type_trans(skb, net_dev);
                }
-                skb_pull(skb, BR2684_PAD_LEN + ETH_HLEN);       /* pad, dstmac, srcmac, ethtype */
-                skb->protocol = eth_type_trans(skb, net_dev);
        }
 #ifdef CONFIG_ATM_BR2684_IPFILTER
-        if (unlikely(packet_fails_filter(skb->protocol, brvcc, skb))) {
+        if (unlikely(packet_fails_filter(skb->protocol, brvcc, skb)))
-                brdev->stats.rx_dropped++;
+                goto dropped;
-                dev_kfree_skb(skb);
-                return;
-        }
 #endif /* CONFIG_ATM_BR2684_IPFILTER */
        skb->dev = net_dev;
        ATM_SKB(skb)->vcc = atmvcc;     /* needed ? */
        pr_debug("received packet's protocol: %x\n", ntohs(skb->protocol));
        skb_debug(skb);
-        if (unlikely(!(net_dev->flags & IFF_UP))) {
+        /* sigh, interface is down? */
-                /* sigh, interface is down */
+        if (unlikely(!(net_dev->flags & IFF_UP)))
-                brdev->stats.rx_dropped++;
+                goto dropped;
-                dev_kfree_skb(skb);
-                return;
-        }
        brdev->stats.rx_packets++;
        brdev->stats.rx_bytes += skb->len;
        memset(ATM_SKB(skb), 0, sizeof(struct atm_skb_data));
        netif_rx(skb);
+        return;
+dropped:
+        brdev->stats.rx_dropped++;
+        goto free_skb;
+error:
+        brdev->stats.rx_errors++;
+free_skb:
+        dev_kfree_skb(skb);
+        return;
 }
 /*
@@ -518,9 +530,9 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
                struct sk_buff *next = skb->next;
                skb->next = skb->prev = NULL;
+                br2684_push(atmvcc, skb);
                BRPRIV(skb->dev)->stats.rx_bytes -= skb->len;
                BRPRIV(skb->dev)->stats.rx_packets--;
-                br2684_push(atmvcc, skb);
                skb = next;
        }
diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c
index d8f215733175..034aa10a5198 100644
--- a/net/ax25/ax25_subr.c
+++ b/net/ax25/ax25_subr.c
@@ -64,20 +64,15 @@ void ax25_frames_acked(ax25_cb *ax25, unsigned short nr)
 void ax25_requeue_frames(ax25_cb *ax25)
 {
-        struct sk_buff *skb, *skb_prev = NULL;
+        struct sk_buff *skb;
        /*
         * Requeue all the un-ack-ed frames on the output queue to be picked
         * up by ax25_kick called from the timer. This arrangement handles the
         * possibility of an empty output queue.
         */
-        while ((skb = skb_dequeue(&ax25->ack_queue)) != NULL) {
+        while ((skb = skb_dequeue_tail(&ax25->ack_queue)) != NULL)
-                if (skb_prev == NULL)
+                skb_queue_head(&ax25->write_queue, skb);
-                        skb_queue_head(&ax25->write_queue, skb);
-                else
-                        skb_append(skb_prev, skb, &ax25->write_queue);
-                skb_prev = skb;
-        }
 }
 /*
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index eb62558e9b09..0c2c93735e93 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -423,8 +423,8 @@ static int __rfcomm_dlc_close(struct rfcomm_dlc *d, int err)
                rfcomm_dlc_lock(d);
                d->state = BT_CLOSED;
-                rfcomm_dlc_unlock(d);
                d->state_change(d, err);
+                rfcomm_dlc_unlock(d);
                skb_queue_purge(&d->tx_queue);
                rfcomm_dlc_unlink(d);
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index c3f749abb2d0..c9191871c1e0 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -566,11 +566,22 @@ static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err)
        if (dlc->state == BT_CLOSED) {
                if (!dev->tty) {
                        if (test_bit(RFCOMM_RELEASE_ONHUP, &dev->flags)) {
-                                if (rfcomm_dev_get(dev->id) == NULL)
+                                /* Drop DLC lock here to avoid deadlock
+                                 * 1. rfcomm_dev_get will take rfcomm_dev_lock
+                                 *    but in rfcomm_dev_add there's lock order:
+                                 *    rfcomm_dev_lock -> dlc lock
+                                 * 2. rfcomm_dev_put will deadlock if it's
+                                 *    the last reference
+                                 */
+                                rfcomm_dlc_unlock(dlc);
+                                if (rfcomm_dev_get(dev->id) == NULL) {
+                                        rfcomm_dlc_lock(dlc);
                                        return;
+                                }
                                rfcomm_dev_del(dev);
                                rfcomm_dev_put(dev);
+                                rfcomm_dlc_lock(dlc);
                        }
                } else
                        tty_hangup(dev->tty);
diff --git a/net/core/dev.c b/net/core/dev.c
index a1607bc0cd4c..c421a1f8f0b9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -119,6 +119,7 @@
 #include <linux/err.h>
 #include <linux/ctype.h>
 #include <linux/if_arp.h>
+#include <linux/if_vlan.h>
 #include "net-sysfs.h"
@@ -903,7 +904,11 @@ int dev_change_name(struct net_device *dev, char *newname)
                strlcpy(dev->name, newname, IFNAMSIZ);
 rollback:
-        device_rename(&dev->dev, dev->name);
+        err = device_rename(&dev->dev, dev->name);
+        if (err) {
+                memcpy(dev->name, oldname, IFNAMSIZ);
+                return err;
+        }
        write_lock_bh(&dev_base_lock);
        hlist_del(&dev->name_hlist);
@@ -1358,6 +1363,29 @@ void netif_device_attach(struct net_device *dev)
 }
 EXPORT_SYMBOL(netif_device_attach);
+static bool can_checksum_protocol(unsigned long features, __be16 protocol)
+{
+        return ((features & NETIF_F_GEN_CSUM) ||
+                ((features & NETIF_F_IP_CSUM) &&
+                 protocol == htons(ETH_P_IP)) ||
+                ((features & NETIF_F_IPV6_CSUM) &&
+                 protocol == htons(ETH_P_IPV6)));
+}
+static bool dev_can_checksum(struct net_device *dev, struct sk_buff *skb)
+{
+        if (can_checksum_protocol(dev->features, skb->protocol))
+                return true;
+        if (skb->protocol == htons(ETH_P_8021Q)) {
+                struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
+                if (can_checksum_protocol(dev->features & dev->vlan_features,
+                                          veh->h_vlan_encapsulated_proto))
+                        return true;
+        }
+        return false;
+}
 /*
 * Invalidate hardware checksum when packet is to be mangled, and
@@ -1636,14 +1664,8 @@ int dev_queue_xmit(struct sk_buff *skb)
        if (skb->ip_summed == CHECKSUM_PARTIAL) {
                skb_set_transport_header(skb, skb->csum_start -
                                              skb_headroom(skb));
+                if (!dev_can_checksum(dev, skb) && skb_checksum_help(skb))
-                if (!(dev->features & NETIF_F_GEN_CSUM) &&
+                        goto out_kfree_skb;
-                    !((dev->features & NETIF_F_IP_CSUM) &&
-                      skb->protocol == htons(ETH_P_IP)) &&
-                    !((dev->features & NETIF_F_IPV6_CSUM) &&
-                      skb->protocol == htons(ETH_P_IPV6)))
-                        if (skb_checksum_help(skb))
-                                goto out_kfree_skb;
        }
 gso:
@@ -2055,6 +2077,10 @@ int netif_receive_skb(struct sk_buff *skb)
        rcu_read_lock();
+        /* Don't receive packets in an exiting network namespace */
+        if (!net_alive(dev_net(skb->dev)))
+                goto out;
 #ifdef CONFIG_NET_CLS_ACT
        if (skb->tc_verd & TC_NCLS) {
                skb->tc_verd = CLR_TC_NCLS(skb->tc_verd);
@@ -3137,7 +3163,7 @@ int dev_change_flags(struct net_device *dev, unsigned flags)
         *      Load in the correct multicast list now the flags have changed.
         */
-        if (dev->change_rx_flags && (dev->flags ^ flags) & IFF_MULTICAST)
+        if (dev->change_rx_flags && (old_flags ^ flags) & IFF_MULTICAST)
                dev->change_rx_flags(dev, IFF_MULTICAST);
        dev_set_rx_mode(dev);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 5d9d7130bd6e..65f01f71b3f3 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1714,7 +1714,8 @@ static int neightbl_fill_parms(struct sk_buff *skb, struct neigh_parms *parms)
        return nla_nest_end(skb, nest);
 nla_put_failure:
-        return nla_nest_cancel(skb, nest);
+        nla_nest_cancel(skb, nest);
+        return -EMSGSIZE;
 }
 static int neightbl_fill_info(struct sk_buff *skb, struct neigh_table *tbl,
@@ -2057,9 +2058,9 @@ static int neigh_fill_info(struct sk_buff *skb, struct neighbour *neigh,
                goto nla_put_failure;
        }
-        ci.ndm_used      = now - neigh->used;
+        ci.ndm_used      = jiffies_to_clock_t(now - neigh->used);
-        ci.ndm_confirmed = now - neigh->confirmed;
+        ci.ndm_confirmed = jiffies_to_clock_t(now - neigh->confirmed);
-        ci.ndm_updated   = now - neigh->updated;
+        ci.ndm_updated   = jiffies_to_clock_t(now - neigh->updated);
        ci.ndm_refcnt    = atomic_read(&neigh->refcnt) - 1;
        read_unlock_bh(&neigh->lock);
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 72b4c184dd84..7c52fe277b62 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -140,6 +140,9 @@ static void cleanup_net(struct work_struct *work)
        struct pernet_operations *ops;
        struct net *net;
+        /* Be very certain incoming network packets will not find us */
+        rcu_barrier();
        net = container_of(work, struct net, work);
        mutex_lock(&net_mutex);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 8dca21110493..fdf537707e51 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -390,6 +390,7 @@ struct pktgen_thread {
        int cpu;
        wait_queue_head_t queue;
+        struct completion start_done;
 };
 #define REMOVE 1
@@ -3414,6 +3415,7 @@ static int pktgen_thread_worker(void *arg)
        BUG_ON(smp_processor_id() != cpu);
        init_waitqueue_head(&t->queue);
+        complete(&t->start_done);
        pr_debug("pktgen: starting pktgen/%d:  pid=%d\n", cpu, task_pid_nr(current));
@@ -3615,6 +3617,7 @@ static int __init pktgen_create_thread(int cpu)
        INIT_LIST_HEAD(&t->if_list);
        list_add_tail(&t->th_list, &pktgen_threads);
+        init_completion(&t->start_done);
        p = kthread_create(pktgen_thread_worker, t, "kpktgend_%d", cpu);
        if (IS_ERR(p)) {
@@ -3639,6 +3642,7 @@ static int __init pktgen_create_thread(int cpu)
        }
        wake_up_process(p);
+        wait_for_completion(&t->start_done);
        return 0;
 }
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index cf857c4dc7b1..a9a77216310e 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -498,7 +498,8 @@ int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics)
        return nla_nest_end(skb, mx);
 nla_put_failure:
-        return nla_nest_cancel(skb, mx);
+        nla_nest_cancel(skb, mx);
+        return -EMSGSIZE;
 }
 int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id,
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 5c459f2b7985..1e556d312117 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1445,6 +1445,7 @@ done:
        if (spd.nr_pages) {
                int ret;
+                struct sock *sk = __skb->sk;
                /*
                 * Drop the socket lock, otherwise we have reverse
@@ -1455,9 +1456,9 @@ done:
                 * we call into ->sendpage() with the i_mutex lock held
                 * and networking will grab the socket lock.
                 */
-                release_sock(__skb->sk);
+                release_sock(sk);
                ret = splice_to_pipe(pipe, &spd);
-                lock_sock(__skb->sk);
+                lock_sock(sk);
                return ret;
        }
diff --git a/net/core/user_dma.c b/net/core/user_dma.c
index 0ad1cd57bc39..c77aff9c6eb3 100644
--- a/net/core/user_dma.c
+++ b/net/core/user_dma.c
@@ -75,7 +75,7 @@ int dma_skb_copy_datagram_iovec(struct dma_chan *chan,
                end = start + skb_shinfo(skb)->frags[i].size;
                copy = end - offset;
-                if ((copy = end - offset) > 0) {
+                if (copy > 0) {
                        skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
                        struct page *page = frag->page;
diff --git a/net/dccp/ackvec.c b/net/dccp/ackvec.c
index 6de4bd195d28..1e8be246ad15 100644
--- a/net/dccp/ackvec.c
+++ b/net/dccp/ackvec.c
@@ -290,12 +290,12 @@ int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk,
                while (1) {
                        const u8 len = dccp_ackvec_len(av, index);
-                        const u8 state = dccp_ackvec_state(av, index);
+                        const u8 av_state = dccp_ackvec_state(av, index);
                        /*
                         * valid packets not yet in av_buf have a reserved
                         * entry, with a len equal to 0.
                         */
-                        if (state == DCCP_ACKVEC_STATE_NOT_RECEIVED &&
+                        if (av_state == DCCP_ACKVEC_STATE_NOT_RECEIVED &&
                            len == 0 && delta == 0) { /* Found our
                                                         reserved seat! */
                                dccp_pr_debug("Found %llu reserved seat!\n",
@@ -325,31 +325,6 @@ out_duplicate:
        return -EILSEQ;
 }
-#ifdef CONFIG_IP_DCCP_DEBUG
-void dccp_ackvector_print(const u64 ackno, const unsigned char *vector, int len)
-{
-        dccp_pr_debug_cat("ACK vector len=%d, ackno=%llu |", len,
-                         (unsigned long long)ackno);
-        while (len--) {
-                const u8 state = (*vector & DCCP_ACKVEC_STATE_MASK) >> 6;
-                const u8 rl = *vector & DCCP_ACKVEC_LEN_MASK;
-                dccp_pr_debug_cat("%d,%d|", state, rl);
-                ++vector;
-        }
-        dccp_pr_debug_cat("\n");
-}
-void dccp_ackvec_print(const struct dccp_ackvec *av)
-{
-        dccp_ackvector_print(av->av_buf_ackno,
-                             av->av_buf + av->av_buf_head,
-                             av->av_vec_len);
-}
-#endif
 static void dccp_ackvec_throw_record(struct dccp_ackvec *av,
                                     struct dccp_ackvec_record *avr)
 {
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index cd61dea2eea1..a1929f33d703 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -159,8 +159,8 @@ static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp)
        } else if (ktime_us_delta(now, hctx->ccid3hctx_t_ld)
                                - (s64)hctx->ccid3hctx_rtt >= 0) {
-                hctx->ccid3hctx_x =
+                hctx->ccid3hctx_x = min(2 * hctx->ccid3hctx_x, min_rate);
-                        max(min(2 * hctx->ccid3hctx_x, min_rate),
+                hctx->ccid3hctx_x = max(hctx->ccid3hctx_x,
                            scaled_div(((__u64)hctx->ccid3hctx_s) << 6,
                                       hctx->ccid3hctx_rtt));
                hctx->ccid3hctx_t_ld = now;
@@ -193,22 +193,17 @@ static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hctx, int len)
 /*
 *      Update Window Counter using the algorithm from [RFC 4342, 8.1].
- *      The algorithm is not applicable if RTT < 4 microseconds.
+ *      As elsewhere, RTT > 0 is assumed by using dccp_sample_rtt().
 */
 static inline void ccid3_hc_tx_update_win_count(struct ccid3_hc_tx_sock *hctx,
                                                ktime_t now)
 {
-        u32 quarter_rtts;
+        u32 delta = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count),
+            quarter_rtts = (4 * delta) / hctx->ccid3hctx_rtt;
-        if (unlikely(hctx->ccid3hctx_rtt < 4))  /* avoid divide-by-zero */
-                return;
-        quarter_rtts = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count);
-        quarter_rtts /= hctx->ccid3hctx_rtt / 4;
        if (quarter_rtts > 0) {
                hctx->ccid3hctx_t_last_win_count = now;
-                hctx->ccid3hctx_last_win_count  += min_t(u32, quarter_rtts, 5);
+                hctx->ccid3hctx_last_win_count  += min(quarter_rtts, 5U);
                hctx->ccid3hctx_last_win_count  &= 0xF;         /* mod 16 */
        }
 }
@@ -334,8 +329,14 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, struct sk_buff *skb)
                        hctx->ccid3hctx_x    = rfc3390_initial_rate(sk);
                        hctx->ccid3hctx_t_ld = now;
                } else {
-                        /* Sender does not have RTT sample: X_pps = 1 pkt/sec */
+                        /*
-                        hctx->ccid3hctx_x = hctx->ccid3hctx_s;
+                         * Sender does not have RTT sample:
+                         * - set fallback RTT (RFC 4340, 3.4) since a RTT value
+                         *   is needed in several parts (e.g.  window counter);
+                         * - set sending rate X_pps = 1pps as per RFC 3448, 4.2.
+                         */
+                        hctx->ccid3hctx_rtt = DCCP_FALLBACK_RTT;
+                        hctx->ccid3hctx_x   = hctx->ccid3hctx_s;
                        hctx->ccid3hctx_x <<= 6;
                }
                ccid3_update_send_interval(hctx);
diff --git a/net/dccp/ccids/lib/tfrc.c b/net/dccp/ccids/lib/tfrc.c
index d1dfbb8de64c..97ecec0a8e76 100644
--- a/net/dccp/ccids/lib/tfrc.c
+++ b/net/dccp/ccids/lib/tfrc.c
@@ -14,14 +14,6 @@ module_param(tfrc_debug, bool, 0444);
 MODULE_PARM_DESC(tfrc_debug, "Enable debug messages");
 #endif
-extern int  tfrc_tx_packet_history_init(void);
-extern void tfrc_tx_packet_history_exit(void);
-extern int  tfrc_rx_packet_history_init(void);
-extern void tfrc_rx_packet_history_exit(void);
-extern int  tfrc_li_init(void);
-extern void tfrc_li_exit(void);
 static int __init tfrc_module_init(void)
 {
        int rc = tfrc_li_init();
diff --git a/net/dccp/ccids/lib/tfrc.h b/net/dccp/ccids/lib/tfrc.h
index 1fb1187bbf1c..ed9857527acf 100644
--- a/net/dccp/ccids/lib/tfrc.h
+++ b/net/dccp/ccids/lib/tfrc.h
@@ -15,7 +15,7 @@
 *  (at your option) any later version.
 */
 #include <linux/types.h>
-#include <asm/div64.h>
+#include <linux/math64.h>
 #include "../../dccp.h"
 /* internal includes that this module exports: */
 #include "loss_interval.h"
@@ -29,21 +29,19 @@ extern int tfrc_debug;
 #endif
 /* integer-arithmetic divisions of type (a * 1000000)/b */
-static inline u64 scaled_div(u64 a, u32 b)
+static inline u64 scaled_div(u64 a, u64 b)
 {
        BUG_ON(b==0);
-        a *= 1000000;
+        return div64_u64(a * 1000000, b);
-        do_div(a, b);
-        return a;
 }
-static inline u32 scaled_div32(u64 a, u32 b)
+static inline u32 scaled_div32(u64 a, u64 b)
 {
        u64 result = scaled_div(a, b);
        if (result > UINT_MAX) {
-                DCCP_CRIT("Overflow: a(%llu)/b(%u) > ~0U",
+                DCCP_CRIT("Overflow: %llu/%llu > UINT_MAX",
-                          (unsigned long long)a, b);
+                          (unsigned long long)a, (unsigned long long)b);
                return UINT_MAX;
        }
        return result;
@@ -58,7 +56,14 @@ static inline u32 tfrc_ewma(const u32 avg, const u32 newval, const u8 weight)
        return avg ? (weight * avg + (10 - weight) * newval) / 10 : newval;
 }
-extern u32 tfrc_calc_x(u16 s, u32 R, u32 p);
+extern u32  tfrc_calc_x(u16 s, u32 R, u32 p);
-extern u32 tfrc_calc_x_reverse_lookup(u32 fvalue);
+extern u32  tfrc_calc_x_reverse_lookup(u32 fvalue);
+extern int  tfrc_tx_packet_history_init(void);
+extern void tfrc_tx_packet_history_exit(void);
+extern int  tfrc_rx_packet_history_init(void);
+extern void tfrc_rx_packet_history_exit(void);
+extern int  tfrc_li_init(void);
+extern void tfrc_li_exit(void);
 #endif /* _TFRC_H_ */
diff --git a/net/dccp/ccids/lib/tfrc_equation.c b/net/dccp/ccids/lib/tfrc_equation.c
index e4e64b76c10c..2f20a29cffe4 100644
--- a/net/dccp/ccids/lib/tfrc_equation.c
+++ b/net/dccp/ccids/lib/tfrc_equation.c
@@ -661,7 +661,7 @@ u32 tfrc_calc_x(u16 s, u32 R, u32 p)
 EXPORT_SYMBOL_GPL(tfrc_calc_x);
-/*
+/**
 *  tfrc_calc_x_reverse_lookup  -  try to find p given f(p)
 *
 *  @fvalue: function value to match, scaled by 1000000
@@ -676,11 +676,11 @@ u32 tfrc_calc_x_reverse_lookup(u32 fvalue)
        /* Error cases. */
        if (fvalue < tfrc_calc_x_lookup[0][1]) {
-                DCCP_WARN("fvalue %d smaller than resolution\n", fvalue);
+                DCCP_WARN("fvalue %u smaller than resolution\n", fvalue);
-                return tfrc_calc_x_lookup[0][1];
+                return TFRC_SMALLEST_P;
        }
        if (fvalue > tfrc_calc_x_lookup[TFRC_CALC_X_ARRSIZE - 1][0]) {
-                DCCP_WARN("fvalue %d exceeds bounds!\n", fvalue);
+                DCCP_WARN("fvalue %u exceeds bounds!\n", fvalue);
                return 1000000;
        }
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index b348dd70c685..37d27bcb361f 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -589,7 +589,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
        if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1)
                goto drop;
-        req = reqsk_alloc(&dccp_request_sock_ops);
+        req = inet_reqsk_alloc(&dccp_request_sock_ops);
        if (req == NULL)
                goto drop;
@@ -605,7 +605,6 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
        ireq = inet_rsk(req);
        ireq->loc_addr = ip_hdr(skb)->daddr;
        ireq->rmt_addr = ip_hdr(skb)->saddr;
-        ireq->opt       = NULL;
        /*
         * Step 3: Process LISTEN state
@@ -739,8 +738,8 @@ int dccp_invalid_packet(struct sk_buff *skb)
         * If P.type is not Data, Ack, or DataAck and P.X == 0 (the packet
         * has short sequence numbers), drop packet and return
         */
-        if (dh->dccph_type >= DCCP_PKT_DATA    &&
+        if ((dh->dccph_type < DCCP_PKT_DATA    ||
-            dh->dccph_type <= DCCP_PKT_DATAACK && dh->dccph_x == 0)  {
+            dh->dccph_type > DCCP_PKT_DATAACK) && dh->dccph_x == 0)  {
                DCCP_WARN("P.type (%s) not Data || [Data]Ack, while P.X == 0\n",
                          dccp_packet_name(dh->dccph_type));
                return 1;
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 9b1129bb7ece..f7fe2a572d7b 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -421,7 +421,6 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
        ireq6 = inet6_rsk(req);
        ipv6_addr_copy(&ireq6->rmt_addr, &ipv6_hdr(skb)->saddr);
        ipv6_addr_copy(&ireq6->loc_addr, &ipv6_hdr(skb)->daddr);
-        ireq6->pktopts  = NULL;
        if (ipv6_opt_accepted(sk, skb) ||
            np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo ||
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index 33ad48321b08..66dca5bba858 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -165,12 +165,12 @@ out_free:
                /* See dccp_v4_conn_request */
                newdmsk->dccpms_sequence_window = req->rcv_wnd;
-                newdp->dccps_gar = newdp->dccps_isr = dreq->dreq_isr;
+                newdp->dccps_gar = newdp->dccps_iss = dreq->dreq_iss;
-                dccp_update_gsr(newsk, dreq->dreq_isr);
-                newdp->dccps_iss = dreq->dreq_iss;
                dccp_update_gss(newsk, dreq->dreq_iss);
+                newdp->dccps_isr = dreq->dreq_isr;
+                dccp_update_gsr(newsk, dreq->dreq_isr);
                /*
                 * SWL and AWL are initially adjusted so that they are not less than
                 * the initial Sequence Numbers received and sent, respectively:
diff --git a/net/dccp/options.c b/net/dccp/options.c
index d2a84a2fecee..43bc24e761d0 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -107,9 +107,11 @@ int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq,
                 *
                 * CCID-specific options are ignored during connection setup, as
                 * negotiation may still be in progress (see RFC 4340, 10.3).
+                 * The same applies to Ack Vectors, as these depend on the CCID.
                 *
                 */
-                if (dreq != NULL && opt >= 128)
+                if (dreq != NULL && (opt >= 128 ||
+                    opt == DCCPO_ACK_VECTOR_0 || opt == DCCPO_ACK_VECTOR_1))
                        goto ignore_option;
                switch (opt) {
diff --git a/net/dccp/output.c b/net/dccp/output.c
index 1f8a9b64c083..fe20068c5d8e 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -508,6 +508,7 @@ void dccp_send_ack(struct sock *sk)
 EXPORT_SYMBOL_GPL(dccp_send_ack);
+#if 0
 /* FIXME: Is this still necessary (11.3) - currently nowhere used by DCCP. */
 void dccp_send_delayed_ack(struct sock *sk)
 {
@@ -538,6 +539,7 @@ void dccp_send_delayed_ack(struct sock *sk)
        icsk->icsk_ack.timeout = timeout;
        sk_reset_timer(sk, &icsk->icsk_delack_timer, timeout);
 }
+#endif
 void dccp_send_sync(struct sock *sk, const u64 ackno,
                    const enum dccp_pkt_type pkt_type)
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index 0bcdc9250279..81368a7f5379 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -42,7 +42,7 @@ static int bufsize = 64 * 1024;
 static const char procname[] = "dccpprobe";
-struct {
+static struct {
        struct kfifo      *fifo;
        spinlock_t        lock;
        wait_queue_head_t wait;
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 418862f1bf22..9b539fa9fe18 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -1288,7 +1288,6 @@ static void arp_format_neigh_entry(struct seq_file *seq,
                                   struct neighbour *n)
 {
        char hbuffer[HBUFFERLEN];
-        const char hexbuf[] = "0123456789ABCDEF";
        int k, j;
        char tbuf[16];
        struct net_device *dev = n->dev;
@@ -1302,8 +1301,8 @@ static void arp_format_neigh_entry(struct seq_file *seq,
        else {
 #endif
        for (k = 0, j = 0; k < HBUFFERLEN - 3 && j < dev->addr_len; j++) {
-                hbuffer[k++] = hexbuf[(n->ha[j] >> 4) & 15];
+                hbuffer[k++] = hex_asc_hi(n->ha[j]);
-                hbuffer[k++] = hexbuf[n->ha[j] & 15];
+                hbuffer[k++] = hex_asc_lo(n->ha[j]);
                hbuffer[k++] = ':';
        }
        hbuffer[--k] = 0;
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 6848e4760f34..79a7ef6209ff 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -90,7 +90,6 @@ static const struct nla_policy ifa_ipv4_policy[IFA_MAX+1] = {
        [IFA_LOCAL]             = { .type = NLA_U32 },
        [IFA_ADDRESS]           = { .type = NLA_U32 },
        [IFA_BROADCAST]         = { .type = NLA_U32 },
-        [IFA_ANYCAST]           = { .type = NLA_U32 },
        [IFA_LABEL]             = { .type = NLA_STRING, .len = IFNAMSIZ - 1 },
 };
@@ -536,9 +535,6 @@ static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh)
        if (tb[IFA_BROADCAST])
                ifa->ifa_broadcast = nla_get_be32(tb[IFA_BROADCAST]);
-        if (tb[IFA_ANYCAST])
-                ifa->ifa_anycast = nla_get_be32(tb[IFA_ANYCAST]);
        if (tb[IFA_LABEL])
                nla_strlcpy(ifa->ifa_label, tb[IFA_LABEL], IFNAMSIZ);
        else
@@ -745,7 +741,6 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
                                break;
                        inet_del_ifa(in_dev, ifap, 0);
                        ifa->ifa_broadcast = 0;
-                        ifa->ifa_anycast = 0;
                        ifa->ifa_scope = 0;
                }
@@ -1113,7 +1108,6 @@ static inline size_t inet_nlmsg_size(void)
               + nla_total_size(4) /* IFA_ADDRESS */
               + nla_total_size(4) /* IFA_LOCAL */
               + nla_total_size(4) /* IFA_BROADCAST */
-               + nla_total_size(4) /* IFA_ANYCAST */
               + nla_total_size(IFNAMSIZ); /* IFA_LABEL */
 }
@@ -1143,9 +1137,6 @@ static int inet_fill_ifaddr(struct sk_buff *skb, struct in_ifaddr *ifa,
        if (ifa->ifa_broadcast)
                NLA_PUT_BE32(skb, IFA_BROADCAST, ifa->ifa_broadcast);
-        if (ifa->ifa_anycast)
-                NLA_PUT_BE32(skb, IFA_ANYCAST, ifa->ifa_anycast);
        if (ifa->ifa_label[0])
                NLA_PUT_STRING(skb, IFA_LABEL, ifa->ifa_label);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 0f1557a4ac7a..0b2ac6a3d903 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -506,7 +506,6 @@ const struct nla_policy rtm_ipv4_policy[RTA_MAX+1] = {
        [RTA_PREFSRC]           = { .type = NLA_U32 },
        [RTA_METRICS]           = { .type = NLA_NESTED },
        [RTA_MULTIPATH]         = { .len = sizeof(struct rtnexthop) },
-        [RTA_PROTOINFO]         = { .type = NLA_U32 },
        [RTA_FLOW]              = { .type = NLA_U32 },
 };
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 3b83c34019fc..0d4d72827e4b 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -960,7 +960,10 @@ int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
        rtm->rtm_dst_len = dst_len;
        rtm->rtm_src_len = 0;
        rtm->rtm_tos = tos;
-        rtm->rtm_table = tb_id;
+        if (tb_id < 256)
+                rtm->rtm_table = tb_id;
+        else
+                rtm->rtm_table = RT_TABLE_COMPAT;
        NLA_PUT_U32(skb, RTA_TABLE, tb_id);
        rtm->rtm_type = type;
        rtm->rtm_flags = fi->fib_flags;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 828ea211ff21..ec834480abe7 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -419,7 +419,8 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
        struct inet_connection_sock *icsk = inet_csk(parent);
        struct request_sock_queue *queue = &icsk->icsk_accept_queue;
        struct listen_sock *lopt = queue->listen_opt;
-        int thresh = icsk->icsk_syn_retries ? : sysctl_tcp_synack_retries;
+        int max_retries = icsk->icsk_syn_retries ? : sysctl_tcp_synack_retries;
+        int thresh = max_retries;
        unsigned long now = jiffies;
        struct request_sock **reqp, *req;
        int i, budget;
@@ -455,6 +456,9 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
                }
        }
+        if (queue->rskq_defer_accept)
+                max_retries = queue->rskq_defer_accept;
        budget = 2 * (lopt->nr_table_entries / (timeout / interval));
        i = lopt->clock_hand;
@@ -462,8 +466,9 @@ 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 &&
+                                if ((req->retrans < thresh ||
-                                    !req->rsk_ops->rtx_syn_ack(parent, req)) {
+                                     (inet_rsk(req)->acked && req->retrans < max_retries))
+                                    && !req->rsk_ops->rtx_syn_ack(parent, req)) {
                                        unsigned long timeo;
                                        if (req->retrans++ == 0)
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 2ada033406de..4342cba4ff82 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -313,9 +313,8 @@ static void ipgre_tunnel_uninit(struct net_device *dev)
 static void ipgre_err(struct sk_buff *skb, u32 info)
 {
-#ifndef I_WISH_WORLD_WERE_PERFECT
-/* It is not :-( All the routers (except for Linux) return only
+/* All the routers (except for Linux) return only
   8 bytes of packet payload. It means, that precise relaying of
   ICMP in the real Internet is absolutely infeasible.
@@ -398,149 +397,6 @@ static void ipgre_err(struct sk_buff *skb, u32 info)
 out:
        read_unlock(&ipgre_lock);
        return;
-#else
-        struct iphdr *iph = (struct iphdr*)dp;
-        struct iphdr *eiph;
-        __be16       *p = (__be16*)(dp+(iph->ihl<<2));
-        const int type = icmp_hdr(skb)->type;
-        const int code = icmp_hdr(skb)->code;
-        int rel_type = 0;
-        int rel_code = 0;
-        __be32 rel_info = 0;
-        __u32 n = 0;
-        __be16 flags;
-        int grehlen = (iph->ihl<<2) + 4;
-        struct sk_buff *skb2;
-        struct flowi fl;
-        struct rtable *rt;
-        if (p[1] != htons(ETH_P_IP))
-                return;
-        flags = p[0];
-        if (flags&(GRE_CSUM|GRE_KEY|GRE_SEQ|GRE_ROUTING|GRE_VERSION)) {
-                if (flags&(GRE_VERSION|GRE_ROUTING))
-                        return;
-                if (flags&GRE_CSUM)
-                        grehlen += 4;
-                if (flags&GRE_KEY)
-                        grehlen += 4;
-                if (flags&GRE_SEQ)
-                        grehlen += 4;
-        }
-        if (len < grehlen + sizeof(struct iphdr))
-                return;
-        eiph = (struct iphdr*)(dp + grehlen);
-        switch (type) {
-        default:
-                return;
-        case ICMP_PARAMETERPROB:
-                n = ntohl(icmp_hdr(skb)->un.gateway) >> 24;
-                if (n < (iph->ihl<<2))
-                        return;
-                /* So... This guy found something strange INSIDE encapsulated
-                   packet. Well, he is fool, but what can we do ?
-                 */
-                rel_type = ICMP_PARAMETERPROB;
-                n -= grehlen;
-                rel_info = htonl(n << 24);
-                break;
-        case ICMP_DEST_UNREACH:
-                switch (code) {
-                case ICMP_SR_FAILED:
-                case ICMP_PORT_UNREACH:
-                        /* Impossible event. */
-                        return;
-                case ICMP_FRAG_NEEDED:
-                        /* And it is the only really necessary thing :-) */
-                        n = ntohs(icmp_hdr(skb)->un.frag.mtu);
-                        if (n < grehlen+68)
-                                return;
-                        n -= grehlen;
-                        /* BSD 4.2 MORE DOES NOT EXIST IN NATURE. */
-                        if (n > ntohs(eiph->tot_len))
-                                return;
-                        rel_info = htonl(n);
-                        break;
-                default:
-                        /* All others are translated to HOST_UNREACH.
-                           rfc2003 contains "deep thoughts" about NET_UNREACH,
-                           I believe, it is just ether pollution. --ANK
-                         */
-                        rel_type = ICMP_DEST_UNREACH;
-                        rel_code = ICMP_HOST_UNREACH;
-                        break;
-                }
-                break;
-        case ICMP_TIME_EXCEEDED:
-                if (code != ICMP_EXC_TTL)
-                        return;
-                break;
-        }
-        /* Prepare fake skb to feed it to icmp_send */
-        skb2 = skb_clone(skb, GFP_ATOMIC);
-        if (skb2 == NULL)
-                return;
-        dst_release(skb2->dst);
-        skb2->dst = NULL;
-        skb_pull(skb2, skb->data - (u8*)eiph);
-        skb_reset_network_header(skb2);
-        /* Try to guess incoming interface */
-        memset(&fl, 0, sizeof(fl));
-        fl.fl4_dst = eiph->saddr;
-        fl.fl4_tos = RT_TOS(eiph->tos);
-        fl.proto = IPPROTO_GRE;
-        if (ip_route_output_key(dev_net(skb->dev), &rt, &fl)) {
-                kfree_skb(skb2);
-                return;
-        }
-        skb2->dev = rt->u.dst.dev;
-        /* route "incoming" packet */
-        if (rt->rt_flags&RTCF_LOCAL) {
-                ip_rt_put(rt);
-                rt = NULL;
-                fl.fl4_dst = eiph->daddr;
-                fl.fl4_src = eiph->saddr;
-                fl.fl4_tos = eiph->tos;
-                if (ip_route_output_key(dev_net(skb->dev), &rt, &fl) ||
-                    rt->u.dst.dev->type != ARPHRD_IPGRE) {
-                        ip_rt_put(rt);
-                        kfree_skb(skb2);
-                        return;
-                }
-        } else {
-                ip_rt_put(rt);
-                if (ip_route_input(skb2, eiph->daddr, eiph->saddr, eiph->tos, skb2->dev) ||
-                    skb2->dst->dev->type != ARPHRD_IPGRE) {
-                        kfree_skb(skb2);
-                        return;
-                }
-        }
-        /* change mtu on this route */
-        if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED) {
-                if (n > dst_mtu(skb2->dst)) {
-                        kfree_skb(skb2);
-                        return;
-                }
-                skb2->dst->ops->update_pmtu(skb2->dst, n);
-        } else if (type == ICMP_TIME_EXCEEDED) {
-                struct ip_tunnel *t = netdev_priv(skb2->dev);
-                if (t->parms.iph.ttl) {
-                        rel_type = ICMP_DEST_UNREACH;
-                        rel_code = ICMP_HOST_UNREACH;
-                }
-        }
-        icmp_send(skb2, rel_type, rel_code, rel_info);
-        kfree_skb(skb2);
-#endif
 }
 static inline void ipgre_ecn_decapsulate(struct iphdr *iph, struct sk_buff *skb)
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 149111f08e8d..af5cb53da5cc 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -278,9 +278,8 @@ static void ipip_tunnel_uninit(struct net_device *dev)
 static int ipip_err(struct sk_buff *skb, u32 info)
 {
-#ifndef I_WISH_WORLD_WERE_PERFECT
-/* It is not :-( All the routers (except for Linux) return only
+/* All the routers (except for Linux) return only
   8 bytes of packet payload. It means, that precise relaying of
   ICMP in the real Internet is absolutely infeasible.
 */
@@ -337,133 +336,6 @@ static int ipip_err(struct sk_buff *skb, u32 info)
 out:
        read_unlock(&ipip_lock);
        return err;
-#else
-        struct iphdr *iph = (struct iphdr*)dp;
-        int hlen = iph->ihl<<2;
-        struct iphdr *eiph;
-        const int type = icmp_hdr(skb)->type;
-        const int code = icmp_hdr(skb)->code;
-        int rel_type = 0;
-        int rel_code = 0;
-        __be32 rel_info = 0;
-        __u32 n = 0;
-        struct sk_buff *skb2;
-        struct flowi fl;
-        struct rtable *rt;
-        if (len < hlen + sizeof(struct iphdr))
-                return 0;
-        eiph = (struct iphdr*)(dp + hlen);
-        switch (type) {
-        default:
-                return 0;
-        case ICMP_PARAMETERPROB:
-                n = ntohl(icmp_hdr(skb)->un.gateway) >> 24;
-                if (n < hlen)
-                        return 0;
-                /* So... This guy found something strange INSIDE encapsulated
-                   packet. Well, he is fool, but what can we do ?
-                 */
-                rel_type = ICMP_PARAMETERPROB;
-                rel_info = htonl((n - hlen) << 24);
-                break;
-        case ICMP_DEST_UNREACH:
-                switch (code) {
-                case ICMP_SR_FAILED:
-                case ICMP_PORT_UNREACH:
-                        /* Impossible event. */
-                        return 0;
-                case ICMP_FRAG_NEEDED:
-                        /* And it is the only really necessary thing :-) */
-                        n = ntohs(icmp_hdr(skb)->un.frag.mtu);
-                        if (n < hlen+68)
-                                return 0;
-                        n -= hlen;
-                        /* BSD 4.2 MORE DOES NOT EXIST IN NATURE. */
-                        if (n > ntohs(eiph->tot_len))
-                                return 0;
-                        rel_info = htonl(n);
-                        break;
-                default:
-                        /* All others are translated to HOST_UNREACH.
-                           rfc2003 contains "deep thoughts" about NET_UNREACH,
-                           I believe, it is just ether pollution. --ANK
-                         */
-                        rel_type = ICMP_DEST_UNREACH;
-                        rel_code = ICMP_HOST_UNREACH;
-                        break;
-                }
-                break;
-        case ICMP_TIME_EXCEEDED:
-                if (code != ICMP_EXC_TTL)
-                        return 0;
-                break;
-        }
-        /* Prepare fake skb to feed it to icmp_send */
-        skb2 = skb_clone(skb, GFP_ATOMIC);
-        if (skb2 == NULL)
-                return 0;
-        dst_release(skb2->dst);
-        skb2->dst = NULL;
-        skb_pull(skb2, skb->data - (u8*)eiph);
-        skb_reset_network_header(skb2);
-        /* Try to guess incoming interface */
-        memset(&fl, 0, sizeof(fl));
-        fl.fl4_daddr = eiph->saddr;
-        fl.fl4_tos = RT_TOS(eiph->tos);
-        fl.proto = IPPROTO_IPIP;
-        if (ip_route_output_key(dev_net(skb->dev), &rt, &key)) {
-                kfree_skb(skb2);
-                return 0;
-        }
-        skb2->dev = rt->u.dst.dev;
-        /* route "incoming" packet */
-        if (rt->rt_flags&RTCF_LOCAL) {
-                ip_rt_put(rt);
-                rt = NULL;
-                fl.fl4_daddr = eiph->daddr;
-                fl.fl4_src = eiph->saddr;
-                fl.fl4_tos = eiph->tos;
-                if (ip_route_output_key(dev_net(skb->dev), &rt, &fl) ||
-                    rt->u.dst.dev->type != ARPHRD_TUNNEL) {
-                        ip_rt_put(rt);
-                        kfree_skb(skb2);
-                        return 0;
-                }
-        } else {
-                ip_rt_put(rt);
-                if (ip_route_input(skb2, eiph->daddr, eiph->saddr, eiph->tos, skb2->dev) ||
-                    skb2->dst->dev->type != ARPHRD_TUNNEL) {
-                        kfree_skb(skb2);
-                        return 0;
-                }
-        }
-        /* change mtu on this route */
-        if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED) {
-                if (n > dst_mtu(skb2->dst)) {
-                        kfree_skb(skb2);
-                        return 0;
-                }
-                skb2->dst->ops->update_pmtu(skb2->dst, n);
-        } else if (type == ICMP_TIME_EXCEEDED) {
-                struct ip_tunnel *t = netdev_priv(skb2->dev);
-                if (t->parms.iph.ttl) {
-                        rel_type = ICMP_DEST_UNREACH;
-                        rel_code = ICMP_HOST_UNREACH;
-                }
-        }
-        icmp_send(skb2, rel_type, rel_code, rel_info);
-        kfree_skb(skb2);
-        return 0;
-#endif
 }
 static inline void ipip_ecn_decapsulate(const struct iphdr *outer_iph,
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index 04578593e100..d2a887fc8d9b 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -556,7 +556,6 @@ static void nf_nat_cleanup_conntrack(struct nf_conn *ct)
        spin_lock_bh(&nf_nat_lock);
        hlist_del_rcu(&nat->bysource);
-        nat->ct = NULL;
        spin_unlock_bh(&nf_nat_lock);
 }
@@ -570,8 +569,8 @@ static void nf_nat_move_storage(void *new, void *old)
                return;
        spin_lock_bh(&nf_nat_lock);
-        hlist_replace_rcu(&old_nat->bysource, &new_nat->bysource);
        new_nat->ct = ct;
+        hlist_replace_rcu(&old_nat->bysource, &new_nat->bysource);
        spin_unlock_bh(&nf_nat_lock);
 }
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index 5daefad3d193..7750c97fde7b 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -232,6 +232,11 @@ static unsigned char asn1_length_decode(struct asn1_ctx *ctx,
                        }
                }
        }
+        /* don't trust len bigger than ctx buffer */
+        if (*len > ctx->end - ctx->pointer)
+                return 0;
        return 1;
 }
@@ -250,6 +255,10 @@ static unsigned char asn1_header_decode(struct asn1_ctx *ctx,
        if (!asn1_length_decode(ctx, &def, &len))
                return 0;
+        /* primitive shall be definite, indefinite shall be constructed */
+        if (*con == ASN1_PRI && !def)
+                return 0;
        if (def)
                *eoc = ctx->pointer + len;
        else
@@ -434,6 +443,11 @@ static unsigned char asn1_oid_decode(struct asn1_ctx *ctx,
        unsigned long *optr;
        size = eoc - ctx->pointer + 1;
+        /* first subid actually encodes first two subids */
+        if (size < 2 || size > ULONG_MAX/sizeof(unsigned long))
+                return 0;
        *oid = kmalloc(size * sizeof(unsigned long), GFP_ATOMIC);
        if (*oid == NULL) {
                if (net_ratelimit())
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index fead049daf43..37a1ecd9d600 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -608,6 +608,14 @@ static void raw_close(struct sock *sk, long timeout)
        sk_common_release(sk);
 }
+static int raw_destroy(struct sock *sk)
+{
+        lock_sock(sk);
+        ip_flush_pending_frames(sk);
+        release_sock(sk);
+        return 0;
+}
 /* This gets rid of all the nasties in af_inet. -DaveM */
 static int raw_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 {
@@ -820,6 +828,7 @@ struct proto raw_prot = {
        .name              = "RAW",
        .owner             = THIS_MODULE,
        .close             = raw_close,
+        .destroy           = raw_destroy,
        .connect           = ip4_datagram_connect,
        .disconnect        = udp_disconnect,
        .ioctl             = raw_ioctl,
@@ -925,7 +934,7 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
              srcp  = inet->num;
        seq_printf(seq, "%4d: %08X:%04X %08X:%04X"
-                " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d",
+                " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
                i, src, srcp, dest, destp, sp->sk_state,
                atomic_read(&sp->sk_wmem_alloc),
                atomic_read(&sp->sk_rmem_alloc),
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 92f90ae46f4a..96be336064fb 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -160,7 +160,7 @@ static struct dst_ops ipv4_dst_ops = {
        .negative_advice =      ipv4_negative_advice,
        .link_failure =         ipv4_link_failure,
        .update_pmtu =          ip_rt_update_pmtu,
-        .local_out =            ip_local_out,
+        .local_out =            __ip_local_out,
        .entry_size =           sizeof(struct rtable),
        .entries =              ATOMIC_INIT(0),
 };
@@ -1792,7 +1792,7 @@ static int __mkroute_input(struct sk_buff *skb,
        if (err)
                flags |= RTCF_DIRECTSRC;
-        if (out_dev == in_dev && err && !(flags & RTCF_MASQ) &&
+        if (out_dev == in_dev && err &&
            (IN_DEV_SHARED_MEDIA(out_dev) ||
             inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res))))
                flags |= RTCF_DOREDIRECT;
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 73ba98921d64..d182a2a26291 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -285,7 +285,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
                cookie_check_timestamp(&tcp_opt);
        ret = NULL;
-        req = reqsk_alloc(&tcp_request_sock_ops); /* for safety */
+        req = inet_reqsk_alloc(&tcp_request_sock_ops); /* for safety */
        if (!req)
                goto out;
@@ -301,7 +301,6 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
        ireq->rmt_port          = th->source;
        ireq->loc_addr          = ip_hdr(skb)->daddr;
        ireq->rmt_addr          = ip_hdr(skb)->saddr;
-        ireq->opt               = NULL;
        ireq->snd_wscale        = tcp_opt.snd_wscale;
        ireq->rcv_wscale        = tcp_opt.rcv_wscale;
        ireq->sack_ok           = tcp_opt.sack_ok;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f88653138621..fc54a48fde1e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1227,7 +1227,14 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc,
                                copied += used;
                                offset += used;
                        }
-                        if (offset != skb->len)
+                        /*
+                         * If recv_actor drops the lock (e.g. TCP splice
+                         * receive) the skb pointer might be invalid when
+                         * getting here: tcp_collapse might have deleted it
+                         * while aggregating skbs from the socket queue.
+                         */
+                        skb = tcp_recv_skb(sk, seq-1, &offset);
+                        if (!skb || (offset+1 != skb->len))
                                break;
                }
                if (tcp_hdr(skb)->fin) {
@@ -2105,12 +2112,15 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
                break;
        case TCP_DEFER_ACCEPT:
-                if (val < 0) {
+                icsk->icsk_accept_queue.rskq_defer_accept = 0;
-                        err = -EINVAL;
+                if (val > 0) {
-                } else {
+                        /* Translate value in seconds to number of
-                        if (val > MAX_TCP_ACCEPT_DEFERRED)
+                         * retransmits */
-                                val = MAX_TCP_ACCEPT_DEFERRED;
+                        while (icsk->icsk_accept_queue.rskq_defer_accept < 32 &&
-                        icsk->icsk_accept_queue.rskq_defer_accept = val;
+                               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;
@@ -2292,7 +2302,8 @@ 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;
+                val = !icsk->icsk_accept_queue.rskq_defer_accept ? 0 :
+                        ((TCP_TIMEOUT_INIT / HZ) << (icsk->icsk_accept_queue.rskq_defer_accept - 1));
                break;
        case TCP_WINDOW_CLAMP:
                val = tp->window_clamp;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index b54d9d37b636..cad73b7dfef0 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1392,9 +1392,9 @@ static struct sk_buff *tcp_maybe_skipping_dsack(struct sk_buff *skb,
        if (before(next_dup->start_seq, skip_to_seq)) {
                skb = tcp_sacktag_skip(skb, sk, next_dup->start_seq, fack_count);
-                tcp_sacktag_walk(skb, sk, NULL,
+                skb = tcp_sacktag_walk(skb, sk, NULL,
-                                 next_dup->start_seq, next_dup->end_seq,
+                                     next_dup->start_seq, next_dup->end_seq,
-                                 1, fack_count, reord, flag);
+                                     1, fack_count, reord, flag);
        }
        return skb;
@@ -2483,6 +2483,20 @@ static inline void tcp_complete_cwr(struct sock *sk)
        tcp_ca_event(sk, CA_EVENT_COMPLETE_CWR);
 }
+static void tcp_try_keep_open(struct sock *sk)
+{
+        struct tcp_sock *tp = tcp_sk(sk);
+        int state = TCP_CA_Open;
+        if (tcp_left_out(tp) || tp->retrans_out || tp->undo_marker)
+                state = TCP_CA_Disorder;
+        if (inet_csk(sk)->icsk_ca_state != state) {
+                tcp_set_ca_state(sk, state);
+                tp->high_seq = tp->snd_nxt;
+        }
+}
 static void tcp_try_to_open(struct sock *sk, int flag)
 {
        struct tcp_sock *tp = tcp_sk(sk);
@@ -2496,15 +2510,7 @@ static void tcp_try_to_open(struct sock *sk, int flag)
                tcp_enter_cwr(sk, 1);
        if (inet_csk(sk)->icsk_ca_state != TCP_CA_CWR) {
-                int state = TCP_CA_Open;
+                tcp_try_keep_open(sk);
-                if (tcp_left_out(tp) || tp->retrans_out || tp->undo_marker)
-                        state = TCP_CA_Disorder;
-                if (inet_csk(sk)->icsk_ca_state != state) {
-                        tcp_set_ca_state(sk, state);
-                        tp->high_seq = tp->snd_nxt;
-                }
                tcp_moderate_cwnd(tp);
        } else {
                tcp_cwnd_down(sk, flag);
@@ -3310,8 +3316,11 @@ no_queue:
        return 1;
 old_ack:
-        if (TCP_SKB_CB(skb)->sacked)
+        if (TCP_SKB_CB(skb)->sacked) {
                tcp_sacktag_write_queue(sk, skb, prior_snd_una);
+                if (icsk->icsk_ca_state == TCP_CA_Open)
+                        tcp_try_keep_open(sk);
+        }
 uninteresting_ack:
        SOCK_DEBUG(sk, "Ack %u out of %u:%u\n", ack, tp->snd_una, tp->snd_nxt);
@@ -4532,49 +4541,6 @@ static void tcp_urg(struct sock *sk, struct sk_buff *skb, struct tcphdr *th)
        }
 }
-static int tcp_defer_accept_check(struct sock *sk)
-{
-        struct tcp_sock *tp = tcp_sk(sk);
-        if (tp->defer_tcp_accept.request) {
-                int queued_data =  tp->rcv_nxt - tp->copied_seq;
-                int hasfin =  !skb_queue_empty(&sk->sk_receive_queue) ?
-                        tcp_hdr((struct sk_buff *)
-                                sk->sk_receive_queue.prev)->fin : 0;
-                if (queued_data && hasfin)
-                        queued_data--;
-                if (queued_data &&
-                    tp->defer_tcp_accept.listen_sk->sk_state == TCP_LISTEN) {
-                        if (sock_flag(sk, SOCK_KEEPOPEN)) {
-                                inet_csk_reset_keepalive_timer(sk,
-                                                               keepalive_time_when(tp));
-                        } else {
-                                inet_csk_delete_keepalive_timer(sk);
-                        }
-                        inet_csk_reqsk_queue_add(
-                                tp->defer_tcp_accept.listen_sk,
-                                tp->defer_tcp_accept.request,
-                                sk);
-                        tp->defer_tcp_accept.listen_sk->sk_data_ready(
-                                tp->defer_tcp_accept.listen_sk, 0);
-                        sock_put(tp->defer_tcp_accept.listen_sk);
-                        sock_put(sk);
-                        tp->defer_tcp_accept.listen_sk = NULL;
-                        tp->defer_tcp_accept.request = NULL;
-                } else if (hasfin ||
-                           tp->defer_tcp_accept.listen_sk->sk_state != TCP_LISTEN) {
-                        tcp_reset(sk);
-                        return -1;
-                }
-        }
-        return 0;
-}
 static int tcp_copy_to_iovec(struct sock *sk, struct sk_buff *skb, int hlen)
 {
        struct tcp_sock *tp = tcp_sk(sk);
@@ -4935,8 +4901,6 @@ step5:
        tcp_data_snd_check(sk);
        tcp_ack_snd_check(sk);
-        tcp_defer_accept_check(sk);
        return 0;
 csum_error:
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index cd601a866c2f..12695be2c255 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -85,10 +85,6 @@
 int sysctl_tcp_tw_reuse __read_mostly;
 int sysctl_tcp_low_latency __read_mostly;
-/* Check TCP sequence numbers in ICMP packets. */
-#define ICMP_MIN_LENGTH 8
-void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb);
 #ifdef CONFIG_TCP_MD5SIG
 static struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk,
@@ -1285,7 +1281,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
        if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1)
                goto drop;
-        req = reqsk_alloc(&tcp_request_sock_ops);
+        req = inet_reqsk_alloc(&tcp_request_sock_ops);
        if (!req)
                goto drop;
@@ -1918,14 +1914,6 @@ int tcp_v4_destroy_sock(struct sock *sk)
                sk->sk_sndmsg_page = NULL;
        }
-        if (tp->defer_tcp_accept.request) {
-                reqsk_free(tp->defer_tcp_accept.request);
-                sock_put(tp->defer_tcp_accept.listen_sk);
-                sock_put(sk);
-                tp->defer_tcp_accept.listen_sk = NULL;
-                tp->defer_tcp_accept.request = NULL;
-        }
        atomic_dec(&tcp_sockets_allocated);
        return 0;
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 019c8c16e5cc..8245247a6ceb 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -571,8 +571,10 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
           does sequence test, SYN is truncated, and thus we consider
           it a bare ACK.
-           Both ends (listening sockets) accept the new incoming
+           If icsk->icsk_accept_queue.rskq_defer_accept, we silently drop this
-           connection and try to talk to each other. 8-)
+           bare ACK.  Otherwise, we create an established connection.  Both
+           ends (listening sockets) accept the new incoming connection and try
+           to talk to each other. 8-)
           Note: This case is both harmless, and rare.  Possibility is about the
           same as us discovering intelligent life on another plant tomorrow.
@@ -640,6 +642,13 @@ 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. */
+                if (inet_csk(sk)->icsk_accept_queue.rskq_defer_accept &&
+                    TCP_SKB_CB(skb)->end_seq == tcp_rsk(req)->rcv_isn + 1) {
+                        inet_rsk(req)->acked = 1;
+                        return NULL;
+                }
                /* OK, ACK is valid, create big socket and
                 * feed this segment to it. It will repeat all
                 * the tests. THIS SEGMENT MUST MOVE SOCKET TO
@@ -678,24 +687,7 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb,
                inet_csk_reqsk_queue_unlink(sk, req, prev);
                inet_csk_reqsk_queue_removed(sk, req);
-                if (inet_csk(sk)->icsk_accept_queue.rskq_defer_accept &&
+                inet_csk_reqsk_queue_add(sk, req, child);
-                    TCP_SKB_CB(skb)->end_seq == tcp_rsk(req)->rcv_isn + 1) {
-                        /* the accept queue handling is done is est recv slow
-                         * path so lets make sure to start there
-                         */
-                        tcp_sk(child)->pred_flags = 0;
-                        sock_hold(sk);
-                        sock_hold(child);
-                        tcp_sk(child)->defer_tcp_accept.listen_sk = sk;
-                        tcp_sk(child)->defer_tcp_accept.request = req;
-                        inet_csk_reset_keepalive_timer(child,
-                                                       inet_csk(sk)->icsk_accept_queue.rskq_defer_accept * HZ);
-                } else {
-                        inet_csk_reqsk_queue_add(sk, req, child);
-                }
                return child;
        listen_overflow:
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index debf23581606..ad993ecb4810 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1836,7 +1836,7 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
 {
        struct tcp_sock *tp = tcp_sk(sk);
        struct inet_connection_sock *icsk = inet_csk(sk);
-        unsigned int cur_mss = tcp_current_mss(sk, 0);
+        unsigned int cur_mss;
        int err;
        /* Inconslusive MTU probe */
@@ -1858,6 +1858,11 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
                        return -ENOMEM;
        }
+        if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk))
+                return -EHOSTUNREACH; /* Routing failure or similar. */
+        cur_mss = tcp_current_mss(sk, 0);
        /* If receiver has shrunk his window, and skb is out of
         * new window, do not retransmit it. The exception is the
         * case, when window is shrunk to zero. In this case
@@ -1884,9 +1889,6 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
            (sysctl_tcp_retrans_collapse != 0))
                tcp_retrans_try_collapse(sk, skb, cur_mss);
-        if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk))
-                return -EHOSTUNREACH; /* Routing failure or similar. */
        /* Some Solaris stacks overoptimize and ignore the FIN on a
         * retransmit when old data is attached.  So strip it off
         * since it is cheap to do so and saves bytes on the network.
@@ -2129,6 +2131,8 @@ void tcp_send_active_reset(struct sock *sk, gfp_t priority)
        TCP_SKB_CB(skb)->when = tcp_time_stamp;
        if (tcp_transmit_skb(sk, skb, 0, priority))
                NET_INC_STATS(LINUX_MIB_TCPABORTFAILED);
+        TCP_INC_STATS(TCP_MIB_OUTRSTS);
 }
 /* WARNING: This routine must only be called when we have already sent
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 4de68cf5f2aa..63ed9d6830e7 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -489,11 +489,6 @@ static void tcp_keepalive_timer (unsigned long data)
                goto death;
        }
-        if (tp->defer_tcp_accept.request && sk->sk_state == TCP_ESTABLISHED) {
-                tcp_send_active_reset(sk, GFP_ATOMIC);
-                goto death;
-        }
        if (!sock_flag(sk, SOCK_KEEPOPEN) || sk->sk_state == TCP_CLOSE)
                goto out;
diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c
index d3b709a6f264..cb1f0e83830b 100644
--- a/net/ipv4/tunnel4.c
+++ b/net/ipv4/tunnel4.c
@@ -97,7 +97,7 @@ static int tunnel64_rcv(struct sk_buff *skb)
 {
        struct xfrm_tunnel *handler;
-        if (!pskb_may_pull(skb, sizeof(struct iphdr)))
+        if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
                goto drop;
        for (handler = tunnel64_handlers; handler; handler = handler->next)
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index db1cb7c96d63..56fcda3694ba 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -420,7 +420,7 @@ void udp_err(struct sk_buff *skb, u32 info)
 /*
 * Throw away all pending data and cancel the corking. Socket is locked.
 */
-static void udp_flush_pending_frames(struct sock *sk)
+void udp_flush_pending_frames(struct sock *sk)
 {
        struct udp_sock *up = udp_sk(sk);
@@ -430,6 +430,7 @@ static void udp_flush_pending_frames(struct sock *sk)
                ip_flush_pending_frames(sk);
        }
 }
+EXPORT_SYMBOL(udp_flush_pending_frames);
 /**
 *      udp4_hwcsum_outgoing  -  handle outgoing HW checksumming
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index 584e6d74e3a9..7135279f3f84 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -52,7 +52,7 @@ static int xfrm4_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
                IP_ECN_clear(top_iph);
        top_iph->frag_off = (flags & XFRM_STATE_NOPMTUDISC) ?
-                            0 : XFRM_MODE_SKB_CB(skb)->frag_off;
+                0 : (XFRM_MODE_SKB_CB(skb)->frag_off & htons(IP_DF));
        ip_select_ident(top_iph, dst->child, NULL);
        top_iph->ttl = dst_metric(dst->child, RTAX_HOPLIMIT);
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e591e09e5e4e..147588f4c7c0 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -731,8 +731,13 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
                                                onlink = -1;
                                        spin_lock(&ifa->lock);
-                                        lifetime = min_t(unsigned long,
-                                                         ifa->valid_lft, 0x7fffffffUL/HZ);
+                                        lifetime = addrconf_timeout_fixup(ifa->valid_lft, HZ);
+                                        /*
+                                         * Note: Because this address is
+                                         * not permanent, lifetime <
+                                         * LONG_MAX / HZ here.
+                                         */
                                        if (time_before(expires,
                                                        ifa->tstamp + lifetime * HZ))
                                                expires = ifa->tstamp + lifetime * HZ;
@@ -1722,7 +1727,6 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
        __u32 valid_lft;
        __u32 prefered_lft;
        int addr_type;
-        unsigned long rt_expires;
        struct inet6_dev *in6_dev;
        pinfo = (struct prefix_info *) opt;
@@ -1764,41 +1768,49 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
         *      2) Configure prefixes with the auto flag set
         */
-        /* Avoid arithmetic overflow. Really, we could
-           save rt_expires in seconds, likely valid_lft,
-           but it would require division in fib gc, that it
-           not good.
-         */
-        if (valid_lft >= 0x7FFFFFFF/HZ)
-                rt_expires = 0x7FFFFFFF - (0x7FFFFFFF % HZ);
-        else
-                rt_expires = valid_lft * HZ;
-        /*
-         * We convert this (in jiffies) to clock_t later.
-         * Avoid arithmetic overflow there as well.
-         * Overflow can happen only if HZ < USER_HZ.
-         */
-        if (HZ < USER_HZ && rt_expires > 0x7FFFFFFF / USER_HZ)
-                rt_expires = 0x7FFFFFFF / USER_HZ;
        if (pinfo->onlink) {
                struct rt6_info *rt;
+                unsigned long rt_expires;
+                /* Avoid arithmetic overflow. Really, we could
+                 * save rt_expires in seconds, likely valid_lft,
+                 * but it would require division in fib gc, that it
+                 * not good.
+                 */
+                if (HZ > USER_HZ)
+                        rt_expires = addrconf_timeout_fixup(valid_lft, HZ);
+                else
+                        rt_expires = addrconf_timeout_fixup(valid_lft, USER_HZ);
+                if (addrconf_finite_timeout(rt_expires))
+                        rt_expires *= HZ;
                rt = rt6_lookup(dev_net(dev), &pinfo->prefix, NULL,
                                dev->ifindex, 1);
                if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
-                        if (rt->rt6i_flags&RTF_EXPIRES) {
+                        /* Autoconf prefix route */
-                                if (valid_lft == 0) {
+                        if (valid_lft == 0) {
-                                        ip6_del_rt(rt);
+                                ip6_del_rt(rt);
-                                        rt = NULL;
+                                rt = NULL;
-                                } else {
+                        } else if (addrconf_finite_timeout(rt_expires)) {
-                                        rt->rt6i_expires = jiffies + rt_expires;
+                                /* not infinity */
-                                }
+                                rt->rt6i_expires = jiffies + rt_expires;
+                                rt->rt6i_flags |= RTF_EXPIRES;
+                        } else {
+                                rt->rt6i_flags &= ~RTF_EXPIRES;
+                                rt->rt6i_expires = 0;
                        }
                } else if (valid_lft) {
+                        clock_t expires = 0;
+                        int flags = RTF_ADDRCONF | RTF_PREFIX_RT;
+                        if (addrconf_finite_timeout(rt_expires)) {
+                                /* not infinity */
+                                flags |= RTF_EXPIRES;
+                                expires = jiffies_to_clock_t(rt_expires);
+                        }
                        addrconf_prefix_route(&pinfo->prefix, pinfo->prefix_len,
-                                              dev, jiffies_to_clock_t(rt_expires), RTF_ADDRCONF|RTF_EXPIRES|RTF_PREFIX_RT);
+                                              dev, expires, flags);
                }
                if (rt)
                        dst_release(&rt->u.dst);
@@ -2014,17 +2026,22 @@ err_exit:
 *      Manual configuration of address on an interface
 */
 static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
-                          int plen, __u8 ifa_flags, __u32 prefered_lft,
+                          unsigned int plen, __u8 ifa_flags, __u32 prefered_lft,
                          __u32 valid_lft)
 {
        struct inet6_ifaddr *ifp;
        struct inet6_dev *idev;
        struct net_device *dev;
        int scope;
-        u32 flags = RTF_EXPIRES;
+        u32 flags;
+        clock_t expires;
+        unsigned long timeout;
        ASSERT_RTNL();
+        if (plen > 128)
+                return -EINVAL;
        /* check the lifetime */
        if (!valid_lft || prefered_lft > valid_lft)
                return -EINVAL;
@@ -2038,17 +2055,23 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
        scope = ipv6_addr_scope(pfx);
-        if (valid_lft == INFINITY_LIFE_TIME) {
+        timeout = addrconf_timeout_fixup(valid_lft, HZ);
-                ifa_flags |= IFA_F_PERMANENT;
+        if (addrconf_finite_timeout(timeout)) {
+                expires = jiffies_to_clock_t(timeout * HZ);
+                valid_lft = timeout;
+                flags = RTF_EXPIRES;
+        } else {
+                expires = 0;
                flags = 0;
-        } else if (valid_lft >= 0x7FFFFFFF/HZ)
+                ifa_flags |= IFA_F_PERMANENT;
-                valid_lft = 0x7FFFFFFF/HZ;
+        }
-        if (prefered_lft == 0)
+        timeout = addrconf_timeout_fixup(prefered_lft, HZ);
-                ifa_flags |= IFA_F_DEPRECATED;
+        if (addrconf_finite_timeout(timeout)) {
-        else if ((prefered_lft >= 0x7FFFFFFF/HZ) &&
+                if (timeout == 0)
-                 (prefered_lft != INFINITY_LIFE_TIME))
+                        ifa_flags |= IFA_F_DEPRECATED;
-                prefered_lft = 0x7FFFFFFF/HZ;
+                prefered_lft = timeout;
+        }
        ifp = ipv6_add_addr(idev, pfx, plen, scope, ifa_flags);
@@ -2060,7 +2083,7 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
                spin_unlock_bh(&ifp->lock);
                addrconf_prefix_route(&ifp->addr, ifp->prefix_len, dev,
-                                      jiffies_to_clock_t(valid_lft * HZ), flags);
+                                      expires, flags);
                /*
                 * Note that section 3.1 of RFC 4429 indicates
                 * that the Optimistic flag should not be set for
@@ -2076,12 +2099,15 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
 }
 static int inet6_addr_del(struct net *net, int ifindex, struct in6_addr *pfx,
-                          int plen)
+                          unsigned int plen)
 {
        struct inet6_ifaddr *ifp;
        struct inet6_dev *idev;
        struct net_device *dev;
+        if (plen > 128)
+                return -EINVAL;
        dev = __dev_get_by_index(net, ifindex);
        if (!dev)
                return -ENODEV;
@@ -3148,22 +3174,30 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags,
                             u32 prefered_lft, u32 valid_lft)
 {
-        u32 flags = RTF_EXPIRES;
+        u32 flags;
+        clock_t expires;
+        unsigned long timeout;
        if (!valid_lft || (prefered_lft > valid_lft))
                return -EINVAL;
-        if (valid_lft == INFINITY_LIFE_TIME) {
+        timeout = addrconf_timeout_fixup(valid_lft, HZ);
-                ifa_flags |= IFA_F_PERMANENT;
+        if (addrconf_finite_timeout(timeout)) {
+                expires = jiffies_to_clock_t(timeout * HZ);
+                valid_lft = timeout;
+                flags = RTF_EXPIRES;
+        } else {
+                expires = 0;
                flags = 0;
-        } else if (valid_lft >= 0x7FFFFFFF/HZ)
+                ifa_flags |= IFA_F_PERMANENT;
-                valid_lft = 0x7FFFFFFF/HZ;
+        }
-        if (prefered_lft == 0)
+        timeout = addrconf_timeout_fixup(prefered_lft, HZ);
-                ifa_flags |= IFA_F_DEPRECATED;
+        if (addrconf_finite_timeout(timeout)) {
-        else if ((prefered_lft >= 0x7FFFFFFF/HZ) &&
+                if (timeout == 0)
-                 (prefered_lft != INFINITY_LIFE_TIME))
+                        ifa_flags |= IFA_F_DEPRECATED;
-                prefered_lft = 0x7FFFFFFF/HZ;
+                prefered_lft = timeout;
+        }
        spin_lock_bh(&ifp->lock);
        ifp->flags = (ifp->flags & ~(IFA_F_DEPRECATED | IFA_F_PERMANENT | IFA_F_NODAD | IFA_F_HOMEADDRESS)) | ifa_flags;
@@ -3176,7 +3210,7 @@ static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags,
                ipv6_ifa_notify(0, ifp);
        addrconf_prefix_route(&ifp->addr, ifp->prefix_len, ifp->idev->dev,
-                              jiffies_to_clock_t(valid_lft * HZ), flags);
+                              expires, flags);
        addrconf_verify(0);
        return 0;
@@ -4242,7 +4276,7 @@ static void addrconf_sysctl_register(struct inet6_dev *idev)
        neigh_sysctl_register(idev->dev, idev->nd_parms, NET_IPV6,
                              NET_IPV6_NEIGH, "ipv6",
                              &ndisc_ifinfo_sysctl_change,
-                              NULL);
+                              ndisc_ifinfo_sysctl_strategy);
        __addrconf_sysctl_register(dev_net(idev->dev), idev->dev->name,
                        idev->dev->ifindex, idev, &idev->cnf);
 }
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 3c6aafb02183..e84b3fd17fb4 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -191,7 +191,7 @@ lookup_protocol:
        np->mcast_hops  = -1;
        np->mc_loop     = 1;
        np->pmtudisc    = IPV6_PMTUDISC_WANT;
-        np->ipv6only    = init_net.ipv6.sysctl.bindv6only;
+        np->ipv6only    = net->ipv6.sysctl.bindv6only;
        /* Init the ipv4 part of the socket since we can have sockets
         * using v6 API for ipv4.
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 94fa6ae77cfe..0f0f94a40335 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -496,7 +496,8 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
        return 0;
 }
-int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
+int datagram_send_ctl(struct net *net,
+                      struct msghdr *msg, struct flowi *fl,
                      struct ipv6_txoptions *opt,
                      int *hlimit, int *tclass)
 {
@@ -509,7 +510,6 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
        for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg)) {
                int addr_type;
-                struct net_device *dev = NULL;
                if (!CMSG_OK(msg, cmsg)) {
                        err = -EINVAL;
@@ -522,6 +522,9 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
                switch (cmsg->cmsg_type) {
                case IPV6_PKTINFO:
                case IPV6_2292PKTINFO:
+                    {
+                        struct net_device *dev = NULL;
                        if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct in6_pktinfo))) {
                                err = -EINVAL;
                                goto exit_f;
@@ -535,32 +538,32 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
                                fl->oif = src_info->ipi6_ifindex;
                        }
-                        addr_type = ipv6_addr_type(&src_info->ipi6_addr);
+                        addr_type = __ipv6_addr_type(&src_info->ipi6_addr);
-                        if (addr_type == IPV6_ADDR_ANY)
+                        if (fl->oif) {
-                                break;
+                                dev = dev_get_by_index(net, fl->oif);
+                                if (!dev)
+                                        return -ENODEV;
+                        } else if (addr_type & IPV6_ADDR_LINKLOCAL)
+                                return -EINVAL;
-                        if (addr_type & IPV6_ADDR_LINKLOCAL) {
+                        if (addr_type != IPV6_ADDR_ANY) {
-                                if (!src_info->ipi6_ifindex)
+                                int strict = __ipv6_addr_src_scope(addr_type) <= IPV6_ADDR_SCOPE_LINKLOCAL;
-                                        return -EINVAL;
+                                if (!ipv6_chk_addr(net, &src_info->ipi6_addr,
-                                else {
+                                                   strict ? dev : NULL, 0))
-                                        dev = dev_get_by_index(&init_net, src_info->ipi6_ifindex);
+                                        err = -EINVAL;
-                                        if (!dev)
+                                else
-                                                return -ENODEV;
+                                        ipv6_addr_copy(&fl->fl6_src, &src_info->ipi6_addr);
-                                }
-                        }
-                        if (!ipv6_chk_addr(&init_net, &src_info->ipi6_addr,
-                                           dev, 0)) {
-                                if (dev)
-                                        dev_put(dev);
-                                err = -EINVAL;
-                                goto exit_f;
                        }
                        if (dev)
                                dev_put(dev);
-                        ipv6_addr_copy(&fl->fl6_src, &src_info->ipi6_addr);
+                        if (err)
+                                goto exit_f;
                        break;
+                    }
                case IPV6_FLOWINFO:
                        if (cmsg->cmsg_len < CMSG_LEN(4)) {
@@ -702,6 +705,11 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
                        }
                        *hlimit = *(int *)CMSG_DATA(cmsg);
+                        if (*hlimit < -1 || *hlimit > 0xff) {
+                                err = -EINVAL;
+                                goto exit_f;
+                        }
                        break;
                case IPV6_TCLASS:
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index eb7a940310f4..37a4e777e347 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -354,7 +354,7 @@ fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval,
                msg.msg_control = (void*)(fl->opt+1);
                flowi.oif = 0;
-                err = datagram_send_ctl(&msg, &flowi, fl->opt, &junk, &junk);
+                err = datagram_send_ctl(net, &msg, &flowi, fl->opt, &junk, &junk);
                if (err)
                        goto done;
                err = -EINVAL;
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 4e5c8615832c..17eb48b8e329 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -102,6 +102,15 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
        if (hdr->version != 6)
                goto err;
+        /*
+         * RFC4291 2.5.3
+         * A packet received on an interface with a destination address
+         * of loopback must be dropped.
+         */
+        if (!(dev->flags & IFF_LOOPBACK) &&
+            ipv6_addr_loopback(&hdr->daddr))
+                goto err;
        skb->transport_header = skb->network_header + sizeof(*hdr);
        IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 2de3c464fe75..14796181e8b5 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -197,7 +197,7 @@ static int ip6mr_vif_seq_show(struct seq_file *seq, void *v)
                const char *name = vif->dev ? vif->dev->name : "none";
                seq_printf(seq,
-                           "%2Zd %-10s %8ld %7ld  %8ld %7ld %05X\n",
+                           "%2td %-10s %8ld %7ld  %8ld %7ld %05X\n",
                           vif - vif6_table,
                           name, vif->bytes_in, vif->pkt_in,
                           vif->bytes_out, vif->pkt_out,
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 56d55fecf8ec..86e28a75267f 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -67,7 +67,7 @@ int ip6_ra_control(struct sock *sk, int sel, void (*destructor)(struct sock *))
        /* RA packet may be delivered ONLY to IPPROTO_RAW socket */
        if (sk->sk_type != SOCK_RAW || inet_sk(sk)->num != IPPROTO_RAW)
-                return -EINVAL;
+                return -ENOPROTOOPT;
        new_ra = (sel>=0) ? kmalloc(sizeof(*new_ra), GFP_KERNEL) : NULL;
@@ -161,9 +161,17 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
                        struct ipv6_txoptions *opt;
                        struct sk_buff *pktopt;
-                        if (sk->sk_protocol != IPPROTO_UDP &&
+                        if (sk->sk_type == SOCK_RAW)
-                            sk->sk_protocol != IPPROTO_UDPLITE &&
+                                break;
-                            sk->sk_protocol != IPPROTO_TCP)
+                        if (sk->sk_protocol == IPPROTO_UDP ||
+                            sk->sk_protocol == IPPROTO_UDPLITE) {
+                                struct udp_sock *up = udp_sk(sk);
+                                if (up->pending == AF_INET6) {
+                                        retv = -EBUSY;
+                                        break;
+                                }
+                        } else if (sk->sk_protocol != IPPROTO_TCP)
                                break;
                        if (sk->sk_state != TCP_ESTABLISHED) {
@@ -337,18 +345,21 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
        case IPV6_DSTOPTS:
        {
                struct ipv6_txoptions *opt;
+                /* remove any sticky options header with a zero option
+                 * length, per RFC3542.
+                 */
                if (optlen == 0)
                        optval = NULL;
+                else if (optlen < sizeof(struct ipv6_opt_hdr) ||
+                         optlen & 0x7 || optlen > 8 * 255)
+                        goto e_inval;
                /* hop-by-hop / destination options are privileged option */
                retv = -EPERM;
                if (optname != IPV6_RTHDR && !capable(CAP_NET_RAW))
                        break;
-                if (optlen < sizeof(struct ipv6_opt_hdr) ||
-                    optlen & 0x7 || optlen > 8 * 255)
-                        goto e_inval;
                opt = ipv6_renew_options(sk, np->opt, optname,
                                         (struct ipv6_opt_hdr __user *)optval,
                                         optlen);
@@ -416,7 +427,7 @@ sticky_done:
                msg.msg_controllen = optlen;
                msg.msg_control = (void*)(opt+1);
-                retv = datagram_send_ctl(&msg, &fl, opt, &junk, &junk);
+                retv = datagram_send_ctl(net, &msg, &fl, opt, &junk, &junk);
                if (retv)
                        goto done;
 update:
@@ -438,7 +449,7 @@ done:
        case IPV6_MULTICAST_HOPS:
                if (sk->sk_type == SOCK_STREAM)
-                        goto e_inval;
+                        break;
                if (optlen < sizeof(int))
                        goto e_inval;
                if (val > 255 || val < -1)
@@ -450,13 +461,15 @@ done:
        case IPV6_MULTICAST_LOOP:
                if (optlen < sizeof(int))
                        goto e_inval;
+                if (val != valbool)
+                        goto e_inval;
                np->mc_loop = valbool;
                retv = 0;
                break;
        case IPV6_MULTICAST_IF:
                if (sk->sk_type == SOCK_STREAM)
-                        goto e_inval;
+                        break;
                if (optlen < sizeof(int))
                        goto e_inval;
@@ -832,7 +845,7 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
        len = min_t(unsigned int, len, ipv6_optlen(hdr));
        if (copy_to_user(optval, hdr, len))
                return -EFAULT;
-        return ipv6_optlen(hdr);
+        return len;
 }
 static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
@@ -852,7 +865,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
                if (sk->sk_protocol != IPPROTO_UDP &&
                    sk->sk_protocol != IPPROTO_UDPLITE &&
                    sk->sk_protocol != IPPROTO_TCP)
-                        return -EINVAL;
+                        return -ENOPROTOOPT;
                if (sk->sk_state != TCP_ESTABLISHED)
                        return -ENOTCONN;
                val = sk->sk_family;
@@ -866,6 +879,8 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
                        return -EINVAL;
                if (copy_from_user(&gsf, optval, GROUP_FILTER_SIZE(0)))
                        return -EFAULT;
+                if (gsf.gf_group.ss_family != AF_INET6)
+                        return -EADDRNOTAVAIL;
                lock_sock(sk);
                err = ip6_mc_msfget(sk, &gsf,
                        (struct group_filter __user *)optval, optlen);
@@ -975,6 +990,9 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
                len = ipv6_getsockopt_sticky(sk, np->opt,
                                             optname, optval, len);
                release_sock(sk);
+                /* check if ipv6_getsockopt_sticky() returns err code */
+                if (len < 0)
+                        return len;
                return put_user(len, optlen);
        }
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index a55fc05b8125..282fdb31f8ed 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1727,10 +1727,10 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, struct file * f
        return ret;
 }
-static int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
+int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
-                                        int nlen, void __user *oldval,
+                                 int nlen, void __user *oldval,
-                                        size_t __user *oldlenp,
+                                 size_t __user *oldlenp,
-                                        void __user *newval, size_t newlen)
+                                 void __user *newval, size_t newlen)
 {
        struct net_device *dev = ctl->extra1;
        struct inet6_dev *idev;
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 2dccad48058c..e65e26e210ee 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -209,7 +209,9 @@ fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst)
        arg.dst = dst;
        hash = ip6qhashfn(id, src, dst);
+        local_bh_disable();
        q = inet_frag_find(&nf_init_frags, &nf_frags, &arg, hash);
+        local_bh_enable();
        if (q == NULL)
                goto oom;
@@ -638,10 +640,10 @@ struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb)
                goto ret_orig;
        }
-        spin_lock(&fq->q.lock);
+        spin_lock_bh(&fq->q.lock);
        if (nf_ct_frag6_queue(fq, clone, fhdr, nhoff) < 0) {
-                spin_unlock(&fq->q.lock);
+                spin_unlock_bh(&fq->q.lock);
                pr_debug("Can't insert skb to queue\n");
                fq_put(fq);
                goto ret_orig;
@@ -653,7 +655,7 @@ struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb)
                if (ret_skb == NULL)
                        pr_debug("Can't reassemble fragmented packets\n");
        }
-        spin_unlock(&fq->q.lock);
+        spin_unlock_bh(&fq->q.lock);
        fq_put(fq);
        return ret_skb;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 232e0dc45bf5..3aee12310d94 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -813,7 +813,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
                memset(opt, 0, sizeof(struct ipv6_txoptions));
                opt->tot_len = sizeof(struct ipv6_txoptions);
-                err = datagram_send_ctl(msg, &fl, opt, &hlimit, &tclass);
+                err = datagram_send_ctl(sock_net(sk), msg, &fl, opt, &hlimit, &tclass);
                if (err < 0) {
                        fl6_sock_release(flowlabel);
                        return err;
@@ -1164,6 +1164,15 @@ static void rawv6_close(struct sock *sk, long timeout)
        sk_common_release(sk);
 }
+static int raw6_destroy(struct sock *sk)
+{
+        lock_sock(sk);
+        ip6_flush_pending_frames(sk);
+        release_sock(sk);
+        return inet6_destroy_sock(sk);
+}
 static int rawv6_init_sk(struct sock *sk)
 {
        struct raw6_sock *rp = raw6_sk(sk);
@@ -1187,11 +1196,11 @@ struct proto rawv6_prot = {
        .name              = "RAWv6",
        .owner             = THIS_MODULE,
        .close             = rawv6_close,
+        .destroy           = raw6_destroy,
        .connect           = ip6_datagram_connect,
        .disconnect        = udp_disconnect,
        .ioctl             = rawv6_ioctl,
        .init              = rawv6_init_sk,
-        .destroy           = inet6_destroy_sock,
        .setsockopt        = rawv6_setsockopt,
        .getsockopt        = rawv6_getsockopt,
        .sendmsg           = rawv6_sendmsg,
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 12bba0880345..d1f3e19b06c7 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -109,7 +109,7 @@ static struct dst_ops ip6_dst_ops_template = {
        .negative_advice        =       ip6_negative_advice,
        .link_failure           =       ip6_link_failure,
        .update_pmtu            =       ip6_rt_update_pmtu,
-        .local_out              =       ip6_local_out,
+        .local_out              =       __ip6_local_out,
        .entry_size             =       sizeof(struct rt6_info),
        .entries                =       ATOMIC_INIT(0),
 };
@@ -446,7 +446,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
        struct route_info *rinfo = (struct route_info *) opt;
        struct in6_addr prefix_buf, *prefix;
        unsigned int pref;
-        u32 lifetime;
+        unsigned long lifetime;
        struct rt6_info *rt;
        if (len < sizeof(struct route_info)) {
@@ -472,13 +472,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
        if (pref == ICMPV6_ROUTER_PREF_INVALID)
                pref = ICMPV6_ROUTER_PREF_MEDIUM;
-        lifetime = ntohl(rinfo->lifetime);
+        lifetime = addrconf_timeout_fixup(ntohl(rinfo->lifetime), HZ);
-        if (lifetime == 0xffffffff) {
-                /* infinity */
-        } else if (lifetime > 0x7fffffff/HZ) {
-                /* Avoid arithmetic overflow */
-                lifetime = 0x7fffffff/HZ - 1;
-        }
        if (rinfo->length == 3)
                prefix = (struct in6_addr *)rinfo->prefix;
@@ -506,7 +500,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
                                 (rt->rt6i_flags & ~RTF_PREF_MASK) | RTF_PREF(pref);
        if (rt) {
-                if (lifetime == 0xffffffff) {
+                if (!addrconf_finite_timeout(lifetime)) {
                        rt->rt6i_flags &= ~RTF_EXPIRES;
                } else {
                        rt->rt6i_expires = jiffies + HZ * lifetime;
@@ -1106,7 +1100,9 @@ int ip6_route_add(struct fib6_config *cfg)
        }
        rt->u.dst.obsolete = -1;
-        rt->rt6i_expires = jiffies + clock_t_to_jiffies(cfg->fc_expires);
+        rt->rt6i_expires = (cfg->fc_flags & RTF_EXPIRES) ?
+                                jiffies + clock_t_to_jiffies(cfg->fc_expires) :
+                                0;
        if (cfg->fc_protocol == RTPROT_UNSPEC)
                cfg->fc_protocol = RTPROT_BOOT;
@@ -2200,7 +2196,13 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
        NLA_PUT_U32(skb, RTA_PRIORITY, rt->rt6i_metric);
-        expires = rt->rt6i_expires ? rt->rt6i_expires - jiffies : 0;
+        if (!(rt->rt6i_flags & RTF_EXPIRES))
+                expires = 0;
+        else if (rt->rt6i_expires - jiffies < INT_MAX)
+                expires = rt->rt6i_expires - jiffies;
+        else
+                expires = INT_MAX;
        if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0,
                               expires, rt->u.dst.error) < 0)
                goto nla_put_failure;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 5a6fab95569f..32e871a6c25a 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -222,15 +222,18 @@ __ipip6_tunnel_locate_prl(struct ip_tunnel *t, __be32 addr)
 }
-static int ipip6_tunnel_get_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
+static int ipip6_tunnel_get_prl(struct ip_tunnel *t,
+                                struct ip_tunnel_prl __user *a)
 {
-        struct ip_tunnel_prl *kp;
+        struct ip_tunnel_prl kprl, *kp;
        struct ip_tunnel_prl_entry *prl;
        unsigned int cmax, c = 0, ca, len;
        int ret = 0;
-        cmax = a->datalen / sizeof(*a);
+        if (copy_from_user(&kprl, a, sizeof(kprl)))
-        if (cmax > 1 && a->addr != htonl(INADDR_ANY))
+                return -EFAULT;
+        cmax = kprl.datalen / sizeof(kprl);
+        if (cmax > 1 && kprl.addr != htonl(INADDR_ANY))
                cmax = 1;
        /* For simple GET or for root users,
@@ -261,26 +264,25 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
        for (prl = t->prl; prl; prl = prl->next) {
                if (c > cmax)
                        break;
-                if (a->addr != htonl(INADDR_ANY) && prl->addr != a->addr)
+                if (kprl.addr != htonl(INADDR_ANY) && prl->addr != kprl.addr)
                        continue;
                kp[c].addr = prl->addr;
                kp[c].flags = prl->flags;
                c++;
-                if (a->addr != htonl(INADDR_ANY))
+                if (kprl.addr != htonl(INADDR_ANY))
                        break;
        }
 out:
        read_unlock(&ipip6_lock);
        len = sizeof(*kp) * c;
-        ret = len ? copy_to_user(a->data, kp, len) : 0;
+        ret = 0;
+        if ((len && copy_to_user(a + 1, kp, len)) || put_user(len, &a->datalen))
+                ret = -EFAULT;
        kfree(kp);
-        if (ret)
-                return -EFAULT;
-        a->datalen = len;
+        return ret;
-        return 0;
 }
 static int
@@ -403,9 +405,8 @@ static void ipip6_tunnel_uninit(struct net_device *dev)
 static int ipip6_err(struct sk_buff *skb, u32 info)
 {
-#ifndef I_WISH_WORLD_WERE_PERFECT
-/* It is not :-( All the routers (except for Linux) return only
+/* All the routers (except for Linux) return only
   8 bytes of packet payload. It means, that precise relaying of
   ICMP in the real Internet is absolutely infeasible.
 */
@@ -462,92 +463,6 @@ static int ipip6_err(struct sk_buff *skb, u32 info)
 out:
        read_unlock(&ipip6_lock);
        return err;
-#else
-        struct iphdr *iph = (struct iphdr*)dp;
-        int hlen = iph->ihl<<2;
-        struct ipv6hdr *iph6;
-        const int type = icmp_hdr(skb)->type;
-        const int code = icmp_hdr(skb)->code;
-        int rel_type = 0;
-        int rel_code = 0;
-        int rel_info = 0;
-        struct sk_buff *skb2;
-        struct rt6_info *rt6i;
-        if (len < hlen + sizeof(struct ipv6hdr))
-                return;
-        iph6 = (struct ipv6hdr*)(dp + hlen);
-        switch (type) {
-        default:
-                return;
-        case ICMP_PARAMETERPROB:
-                if (icmp_hdr(skb)->un.gateway < hlen)
-                        return;
-                /* So... This guy found something strange INSIDE encapsulated
-                   packet. Well, he is fool, but what can we do ?
-                 */
-                rel_type = ICMPV6_PARAMPROB;
-                rel_info = icmp_hdr(skb)->un.gateway - hlen;
-                break;
-        case ICMP_DEST_UNREACH:
-                switch (code) {
-                case ICMP_SR_FAILED:
-                case ICMP_PORT_UNREACH:
-                        /* Impossible event. */
-                        return;
-                case ICMP_FRAG_NEEDED:
-                        /* Too complicated case ... */
-                        return;
-                default:
-                        /* All others are translated to HOST_UNREACH.
-                           rfc2003 contains "deep thoughts" about NET_UNREACH,
-                           I believe, it is just ether pollution. --ANK
-                         */
-                        rel_type = ICMPV6_DEST_UNREACH;
-                        rel_code = ICMPV6_ADDR_UNREACH;
-                        break;
-                }
-                break;
-        case ICMP_TIME_EXCEEDED:
-                if (code != ICMP_EXC_TTL)
-                        return;
-                rel_type = ICMPV6_TIME_EXCEED;
-                rel_code = ICMPV6_EXC_HOPLIMIT;
-                break;
-        }
-        /* Prepare fake skb to feed it to icmpv6_send */
-        skb2 = skb_clone(skb, GFP_ATOMIC);
-        if (skb2 == NULL)
-                return 0;
-        dst_release(skb2->dst);
-        skb2->dst = NULL;
-        skb_pull(skb2, skb->data - (u8*)iph6);
-        skb_reset_network_header(skb2);
-        /* Try to guess incoming interface */
-        rt6i = rt6_lookup(dev_net(skb->dev), &iph6->saddr, NULL, NULL, 0);
-        if (rt6i && rt6i->rt6i_dev) {
-                skb2->dev = rt6i->rt6i_dev;
-                rt6i = rt6_lookup(dev_net(skb->dev),
-                                &iph6->daddr, &iph6->saddr, NULL, 0);
-                if (rt6i && rt6i->rt6i_dev && rt6i->rt6i_dev->type == ARPHRD_SIT) {
-                        struct ip_tunnel *t = netdev_priv(rt6i->rt6i_dev);
-                        if (rel_type == ICMPV6_TIME_EXCEED && t->parms.iph.ttl) {
-                                rel_type = ICMPV6_DEST_UNREACH;
-                                rel_code = ICMPV6_ADDR_UNREACH;
-                        }
-                        icmpv6_send(skb2, rel_type, rel_code, rel_info, skb2->dev);
-                }
-        }
-        kfree_skb(skb2);
-        return 0;
-#endif
 }
 static inline void ipip6_ecn_decapsulate(struct iphdr *iph, struct sk_buff *skb)
@@ -960,11 +875,20 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
                break;
        case SIOCGETPRL:
+                err = -EINVAL;
+                if (dev == sitn->fb_tunnel_dev)
+                        goto done;
+                err = -ENOENT;
+                if (!(t = netdev_priv(dev)))
+                        goto done;
+                err = ipip6_tunnel_get_prl(t, ifr->ifr_ifru.ifru_data);
+                break;
        case SIOCADDPRL:
        case SIOCDELPRL:
        case SIOCCHGPRL:
                err = -EPERM;
-                if (cmd != SIOCGETPRL && !capable(CAP_NET_ADMIN))
+                if (!capable(CAP_NET_ADMIN))
                        goto done;
                err = -EINVAL;
                if (dev == sitn->fb_tunnel_dev)
@@ -977,12 +901,6 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
                        goto done;
                switch (cmd) {
-                case SIOCGETPRL:
-                        err = ipip6_tunnel_get_prl(t, &prl);
-                        if (!err && copy_to_user(ifr->ifr_ifru.ifru_data,
-                                                 &prl, sizeof(prl)))
-                                err = -EFAULT;
-                        break;
                case SIOCDELPRL:
                        err = ipip6_tunnel_del_prl(t, &prl);
                        break;
@@ -991,8 +909,7 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
                        err = ipip6_tunnel_add_prl(t, &prl, cmd == SIOCCHGPRL);
                        break;
                }
-                if (cmd != SIOCGETPRL)
+                netdev_state_change(dev);
-                        netdev_state_change(dev);
                break;
        default:
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 938ce4ecde55..3ecc1157994e 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -198,7 +198,6 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
        ireq = inet_rsk(req);
        ireq6 = inet6_rsk(req);
        treq = tcp_rsk(req);
-        ireq6->pktopts = NULL;
        if (security_inet_conn_request(sk, skb, req)) {
                reqsk_free(req);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 715965f0fac0..cb46749d4c32 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1299,7 +1299,6 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
        treq = inet6_rsk(req);
        ipv6_addr_copy(&treq->rmt_addr, &ipv6_hdr(skb)->saddr);
        ipv6_addr_copy(&treq->loc_addr, &ipv6_hdr(skb)->daddr);
-        treq->pktopts = NULL;
        if (!want_cookie)
                TCP_ECN_create_request(req, tcp_hdr(skb));
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 6323921b40be..669f280989c3 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -109,7 +109,7 @@ static int tunnel46_rcv(struct sk_buff *skb)
 {
        struct xfrm6_tunnel *handler;
-        if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
+        if (!pskb_may_pull(skb, sizeof(struct iphdr)))
                goto drop;
        for (handler = tunnel46_handlers; handler; handler = handler->next)
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 1fd784f3e2ec..dd309626ae9a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -534,7 +534,9 @@ static void udp_v6_flush_pending_frames(struct sock *sk)
 {
        struct udp_sock *up = udp_sk(sk);
-        if (up->pending) {
+        if (up->pending == AF_INET)
+                udp_flush_pending_frames(sk);
+        else if (up->pending) {
                up->len = 0;
                up->pending = 0;
                ip6_flush_pending_frames(sk);
@@ -731,7 +733,7 @@ do_udp_sendmsg:
                memset(opt, 0, sizeof(struct ipv6_txoptions));
                opt->tot_len = sizeof(*opt);
-                err = datagram_send_ctl(msg, &fl, opt, &hlimit, &tclass);
+                err = datagram_send_ctl(sock_net(sk), msg, &fl, opt, &hlimit, &tclass);
                if (err < 0) {
                        fl6_sock_release(flowlabel);
                        return err;
@@ -848,12 +850,14 @@ do_append_data:
                } else {
                        dst_release(dst);
                }
+                dst = NULL;
        }
        if (err > 0)
                err = np->recverr ? net_xmit_errno(err) : 0;
        release_sock(sk);
 out:
+        dst_release(dst);
        fl6_sock_release(flowlabel);
        if (!err)
                return len;
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index ae54b20d0470..3eb5bcc75f99 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1093,11 +1093,6 @@ static int irda_create(struct net *net, struct socket *sock, int protocol)
        init_waitqueue_head(&self->query_wait);
-        /* Initialise networking socket struct */
-        sock_init_data(sock, sk);       /* Note : set sk->sk_refcnt to 1 */
-        sk->sk_family = PF_IRDA;
-        sk->sk_protocol = protocol;
        switch (sock->type) {
        case SOCK_STREAM:
                sock->ops = &irda_stream_ops;
@@ -1124,13 +1119,20 @@ static int irda_create(struct net *net, struct socket *sock, int protocol)
                        self->max_sdu_size_rx = TTP_SAR_UNBOUND;
                        break;
                default:
+                        sk_free(sk);
                        return -ESOCKTNOSUPPORT;
                }
                break;
        default:
+                sk_free(sk);
                return -ESOCKTNOSUPPORT;
        }
+        /* Initialise networking socket struct */
+        sock_init_data(sock, sk);       /* Note : set sk->sk_refcnt to 1 */
+        sk->sk_family = PF_IRDA;
+        sk->sk_protocol = protocol;
        /* Register as a client with IrLMP */
        self->ckey = irlmp_register_client(0, NULL, NULL, NULL);
        self->mask.word = 0xffff;
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 9e7236ff6bcc..7470e367272b 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1251,7 +1251,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct sadb_msg *hdr,
                x->sel.prefixlen_s = addr->sadb_address_prefixlen;
        }
-        if (x->props.mode == XFRM_MODE_TRANSPORT)
+        if (!x->sel.family)
                x->sel.family = x->props.family;
        if (ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1]) {
@@ -3030,6 +3030,9 @@ static int key_notify_sa_expire(struct xfrm_state *x, struct km_event *c)
 static int pfkey_send_notify(struct xfrm_state *x, struct km_event *c)
 {
+        if (atomic_read(&pfkey_socks_nr) == 0)
+                return 0;
        switch (c->event) {
        case XFRM_MSG_EXPIRE:
                return key_notify_sa_expire(x, c);
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index e2ddde755019..008de1fc42ca 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -286,12 +286,14 @@ void llc_build_and_send_xid_pkt(struct llc_sap *sap, struct sk_buff *skb,
 *
 *      Sends received pdus to the sap state machine.
 */
-static void llc_sap_rcv(struct llc_sap *sap, struct sk_buff *skb)
+static void llc_sap_rcv(struct llc_sap *sap, struct sk_buff *skb,
+                        struct sock *sk)
 {
        struct llc_sap_state_ev *ev = llc_sap_ev(skb);
        ev->type   = LLC_SAP_EV_TYPE_PDU;
        ev->reason = 0;
+        skb->sk = sk;
        llc_sap_state_process(sap, skb);
 }
@@ -360,8 +362,7 @@ static void llc_sap_mcast(struct llc_sap *sap,
                        break;
                sock_hold(sk);
-                skb_set_owner_r(skb1, sk);
+                llc_sap_rcv(sap, skb1, sk);
-                llc_sap_rcv(sap, skb1);
                sock_put(sk);
        }
        read_unlock_bh(&sap->sk_list.lock);
@@ -381,8 +382,7 @@ void llc_sap_handler(struct llc_sap *sap, struct sk_buff *skb)
        } else {
                struct sock *sk = llc_lookup_dgram(sap, &laddr);
                if (sk) {
-                        skb_set_owner_r(skb, sk);
+                        llc_sap_rcv(sap, skb, sk);
-                        llc_sap_rcv(sap, skb);
                        sock_put(sk);
                } else
                        kfree_skb(skb);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 699d97b8de5e..a9fce4afdf21 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -672,7 +672,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
        if (params->vlan) {
                sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
-                if (sdata->vif.type != IEEE80211_IF_TYPE_VLAN ||
+                if (sdata->vif.type != IEEE80211_IF_TYPE_VLAN &&
                    sdata->vif.type != IEEE80211_IF_TYPE_AP)
                        return -EINVAL;
        } else
@@ -760,7 +760,7 @@ static int ieee80211_change_station(struct wiphy *wiphy,
        if (params->vlan && params->vlan != sta->sdata->dev) {
                vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
-                if (vlansdata->vif.type != IEEE80211_IF_TYPE_VLAN ||
+                if (vlansdata->vif.type != IEEE80211_IF_TYPE_VLAN &&
                    vlansdata->vif.type != IEEE80211_IF_TYPE_AP) {
                        rcu_read_unlock();
                        return -EINVAL;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index c7314bf4bec2..006486b26726 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -899,7 +899,7 @@ extern const struct iw_handler_def ieee80211_iw_handler_def;
 /* ieee80211_ioctl.c */
-int ieee80211_set_freq(struct ieee80211_local *local, int freq);
+int ieee80211_set_freq(struct net_device *dev, int freq);
 /* ieee80211_sta.c */
 void ieee80211_sta_timer(unsigned long data);
 void ieee80211_sta_work(struct work_struct *work);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 915afadb0602..98c0b5e56ecc 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -511,6 +511,7 @@ static int ieee80211_stop(struct net_device *dev)
        case IEEE80211_IF_TYPE_STA:
        case IEEE80211_IF_TYPE_IBSS:
                sdata->u.sta.state = IEEE80211_DISABLED;
+                memset(sdata->u.sta.bssid, 0, ETH_ALEN);
                del_timer_sync(&sdata->u.sta.timer);
                /*
                 * When we get here, the interface is marked down.
@@ -1313,7 +1314,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
        /*
         * Clear the TX filter mask for this STA when sending the next
         * packet. If the STA went to power save mode, this will happen
-         * happen when it wakes up for the next time.
+         * when it wakes up for the next time.
         */
        sta->flags |= WLAN_STA_CLEAR_PS_FILT;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 4adba09e80ca..4d2b582dd055 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -44,7 +44,7 @@
 #define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ)
 #define IEEE80211_SCAN_INTERVAL (2 * HZ)
 #define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ)
-#define IEEE80211_IBSS_JOIN_TIMEOUT (20 * HZ)
+#define IEEE80211_IBSS_JOIN_TIMEOUT (7 * HZ)
 #define IEEE80211_PROBE_DELAY (HZ / 33)
 #define IEEE80211_CHANNEL_TIME (HZ / 33)
@@ -730,7 +730,17 @@ static void ieee80211_send_assoc(struct net_device *dev,
                if (bss->wmm_ie) {
                        wmm = 1;
                }
+                /* get all rates supported by the device and the AP as
+                 * some APs don't like getting a superset of their rates
+                 * in the association request (e.g. D-Link DAP 1353 in
+                 * b-only mode) */
+                rates_len = ieee80211_compatible_rates(bss, sband, &rates);
                ieee80211_rx_bss_put(dev, bss);
+        } else {
+                rates = ~0;
+                rates_len = sband->n_bitrates;
        }
        mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
@@ -761,10 +771,7 @@ static void ieee80211_send_assoc(struct net_device *dev,
        *pos++ = ifsta->ssid_len;
        memcpy(pos, ifsta->ssid, ifsta->ssid_len);
-        /* all supported rates should be added here but some APs
+        /* add all rates which were marked to be used above */
-         * (e.g. D-Link DAP 1353 in b-only mode) don't like that
-         * Therefore only add rates the AP supports */
-        rates_len = ieee80211_compatible_rates(bss, sband, &rates);
        supp_rates_len = rates_len;
        if (supp_rates_len > 8)
                supp_rates_len = 8;
@@ -1318,7 +1325,7 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev,
        /* prepare reordering buffer */
        tid_agg_rx->reorder_buf =
-                kmalloc(buf_size * sizeof(struct sk_buf *), GFP_ATOMIC);
+                kmalloc(buf_size * sizeof(struct sk_buff *), GFP_ATOMIC);
        if (!tid_agg_rx->reorder_buf) {
                if (net_ratelimit())
                        printk(KERN_ERR "can not allocate reordering buffer "
@@ -1327,7 +1334,7 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev,
                goto end;
        }
        memset(tid_agg_rx->reorder_buf, 0,
-                buf_size * sizeof(struct sk_buf *));
+                buf_size * sizeof(struct sk_buff *));
        if (local->ops->ampdu_action)
                ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_START,
@@ -1607,7 +1614,7 @@ void sta_addba_resp_timer_expired(unsigned long data)
         * only one argument, and both sta_info and TID are needed, so init
         * flow in sta_info_create gives the TID as data, while the timer_to_id
         * array gives the sta through container_of */
-        u16 tid = *(int *)data;
+        u16 tid = *(u8 *)data;
        struct sta_info *temp_sta = container_of((void *)data,
                struct sta_info, timer_to_tid[tid]);
@@ -1655,7 +1662,7 @@ timer_expired_exit:
 void sta_rx_agg_session_timer_expired(unsigned long data)
 {
        /* not an elegant detour, but there is no choice as the timer passes
-         * only one argument, and verious sta_info are needed here, so init
+         * only one argument, and various sta_info are needed here, so init
         * flow in sta_info_create gives the TID as data, while the timer_to_id
         * array gives the sta through container_of */
        u8 *ptid = (u8 *)data;
@@ -2329,6 +2336,7 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
        u8 *pos;
        struct ieee80211_sub_if_data *sdata;
        struct ieee80211_supported_band *sband;
+        union iwreq_data wrqu;
        sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
@@ -2351,13 +2359,10 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
        sdata->drop_unencrypted = bss->capability &
                WLAN_CAPABILITY_PRIVACY ? 1 : 0;
-        res = ieee80211_set_freq(local, bss->freq);
+        res = ieee80211_set_freq(dev, bss->freq);
-        if (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS) {
+        if (res)
-                printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
+                return res;
-                       "%d MHz\n", dev->name, local->oper_channel->center_freq);
-                return -1;
-        }
        /* Set beacon template */
        skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
@@ -2472,7 +2477,9 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
        ifsta->state = IEEE80211_IBSS_JOINED;
        mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
-        ieee80211_rx_bss_put(dev, bss);
+        memset(&wrqu, 0, sizeof(wrqu));
+        memcpy(wrqu.ap_addr.sa_data, bss->bssid, ETH_ALEN);
+        wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
        return res;
 }
@@ -3446,21 +3453,17 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
        struct ieee80211_sta_bss *bss, *selected = NULL;
        int top_rssi = 0, freq;
-        if (!(ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
-            IEEE80211_STA_AUTO_BSSID_SEL | IEEE80211_STA_AUTO_CHANNEL_SEL))) {
-                ifsta->state = IEEE80211_AUTHENTICATE;
-                ieee80211_sta_reset_auth(dev, ifsta);
-                return 0;
-        }
        spin_lock_bh(&local->sta_bss_lock);
        freq = local->oper_channel->center_freq;
        list_for_each_entry(bss, &local->sta_bss_list, list) {
                if (!(bss->capability & WLAN_CAPABILITY_ESS))
                        continue;
-                if (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
+                if ((ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
-                    !!sdata->default_key)
+                        IEEE80211_STA_AUTO_BSSID_SEL |
+                        IEEE80211_STA_AUTO_CHANNEL_SEL)) &&
+                    (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
+                     !!sdata->default_key))
                        continue;
                if (!(ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL) &&
@@ -3485,7 +3488,7 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
        spin_unlock_bh(&local->sta_bss_lock);
        if (selected) {
-                ieee80211_set_freq(local, selected->freq);
+                ieee80211_set_freq(dev, selected->freq);
                if (!(ifsta->flags & IEEE80211_STA_SSID_SET))
                        ieee80211_sta_set_ssid(dev, selected->ssid,
                                               selected->ssid_len);
@@ -3520,6 +3523,7 @@ static int ieee80211_sta_create_ibss(struct net_device *dev,
        struct ieee80211_supported_band *sband;
        u8 bssid[ETH_ALEN], *pos;
        int i;
+        int ret;
        DECLARE_MAC_BUF(mac);
 #if 0
@@ -3564,7 +3568,9 @@ static int ieee80211_sta_create_ibss(struct net_device *dev,
                *pos++ = (u8) (rate / 5);
        }
-        return ieee80211_sta_join_ibss(dev, ifsta, bss);
+        ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
+        ieee80211_rx_bss_put(dev, bss);
+        return ret;
 }
@@ -3612,10 +3618,13 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
            (bss = ieee80211_rx_bss_get(dev, bssid,
                                        local->hw.conf.channel->center_freq,
                                        ifsta->ssid, ifsta->ssid_len))) {
+                int ret;
                printk(KERN_DEBUG "%s: Selected IBSS BSSID %s"
                       " based on configured SSID\n",
                       dev->name, print_mac(mac, bssid));
-                return ieee80211_sta_join_ibss(dev, ifsta, bss);
+                ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
+                ieee80211_rx_bss_put(dev, bss);
+                return ret;
        }
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
        printk(KERN_DEBUG "   did not try to join ibss\n");
@@ -4092,18 +4101,17 @@ ieee80211_sta_scan_result(struct net_device *dev,
        memset(&iwe, 0, sizeof(iwe));
        iwe.cmd = SIOCGIWFREQ;
-        iwe.u.freq.m = bss->freq;
+        iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq);
-        iwe.u.freq.e = 6;
+        iwe.u.freq.e = 0;
        current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
                                          IW_EV_FREQ_LEN);
        memset(&iwe, 0, sizeof(iwe));
        iwe.cmd = SIOCGIWFREQ;
-        iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq);
+        iwe.u.freq.m = bss->freq;
-        iwe.u.freq.e = 0;
+        iwe.u.freq.e = 6;
        current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
                                          IW_EV_FREQ_LEN);
        memset(&iwe, 0, sizeof(iwe));
        iwe.cmd = IWEVQUAL;
        iwe.u.qual.qual = bss->signal;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 1958bfb361c6..0941e5d6a522 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1091,7 +1091,7 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
        u16 fc, hdrlen, ethertype;
        u8 *payload;
        u8 dst[ETH_ALEN];
-        u8 src[ETH_ALEN];
+        u8 src[ETH_ALEN] __aligned(2);
        struct sk_buff *skb = rx->skb;
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        DECLARE_MAC_BUF(mac);
@@ -1234,7 +1234,7 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 */
 static bool ieee80211_frame_allowed(struct ieee80211_rx_data *rx)
 {
-        static const u8 pae_group_addr[ETH_ALEN]
+        static const u8 pae_group_addr[ETH_ALEN] __aligned(2)
                = { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x03 };
        struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 1d7dd54aacef..c80d5899f279 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1132,7 +1132,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
        ieee80211_tx_handler *handler;
        struct ieee80211_tx_data tx;
        ieee80211_tx_result res = TX_DROP, res_prepare;
-        int ret, i;
+        int ret, i, retries = 0;
        WARN_ON(__ieee80211_queue_pending(local, control->queue));
@@ -1216,6 +1216,13 @@ retry:
                if (!__ieee80211_queue_stopped(local, control->queue)) {
                        clear_bit(IEEE80211_LINK_STATE_PENDING,
                                  &local->state[control->queue]);
+                        retries++;
+                        /*
+                         * Driver bug, it's rejecting packets but
+                         * not stopping queues.
+                         */
+                        if (WARN_ON_ONCE(retries > 5))
+                                goto drop;
                        goto retry;
                }
                memcpy(&store->control, control,
@@ -1562,13 +1569,13 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
         * be cloned. This could happen, e.g., with Linux bridge code passing
         * us broadcast frames. */
-        if (head_need > 0 || skb_header_cloned(skb)) {
+        if (head_need > 0 || skb_cloned(skb)) {
 #if 0
                printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes "
                       "of headroom\n", dev->name, head_need);
 #endif
-                if (skb_header_cloned(skb))
+                if (skb_cloned(skb))
                        I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
                else
                        I802_DEBUG_INC(local->tx_expand_skb_head);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 24a465c4df09..4e97b266f907 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -34,11 +34,11 @@ void *mac80211_wiphy_privid = &mac80211_wiphy_privid;
 /* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
 /* Ethernet-II snap header (RFC1042 for most EtherTypes) */
-const unsigned char rfc1042_header[] =
+const unsigned char rfc1042_header[] __aligned(2) =
        { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
 /* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
-const unsigned char bridge_tunnel_header[] =
+const unsigned char bridge_tunnel_header[] __aligned(2) =
        { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
@@ -389,6 +389,41 @@ void ieee80211_iterate_active_interfaces(
        struct ieee80211_local *local = hw_to_local(hw);
        struct ieee80211_sub_if_data *sdata;
+        rtnl_lock();
+        list_for_each_entry(sdata, &local->interfaces, list) {
+                switch (sdata->vif.type) {
+                case IEEE80211_IF_TYPE_INVALID:
+                case IEEE80211_IF_TYPE_MNTR:
+                case IEEE80211_IF_TYPE_VLAN:
+                        continue;
+                case IEEE80211_IF_TYPE_AP:
+                case IEEE80211_IF_TYPE_STA:
+                case IEEE80211_IF_TYPE_IBSS:
+                case IEEE80211_IF_TYPE_WDS:
+                case IEEE80211_IF_TYPE_MESH_POINT:
+                        break;
+                }
+                if (sdata->dev == local->mdev)
+                        continue;
+                if (netif_running(sdata->dev))
+                        iterator(data, sdata->dev->dev_addr,
+                                 &sdata->vif);
+        }
+        rtnl_unlock();
+}
+EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
+void ieee80211_iterate_active_interfaces_atomic(
+        struct ieee80211_hw *hw,
+        void (*iterator)(void *data, u8 *mac,
+                         struct ieee80211_vif *vif),
+        void *data)
+{
+        struct ieee80211_local *local = hw_to_local(hw);
+        struct ieee80211_sub_if_data *sdata;
        rcu_read_lock();
        list_for_each_entry_rcu(sdata, &local->interfaces, list) {
@@ -413,4 +448,4 @@ void ieee80211_iterate_active_interfaces(
        rcu_read_unlock();
 }
-EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
+EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic);
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 76e1de1dc735..6106cb79060c 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -209,7 +209,6 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev,
        range->num_frequency = c;
        IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
-        IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
        IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
        IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
@@ -291,14 +290,22 @@ static int ieee80211_ioctl_giwmode(struct net_device *dev,
        return 0;
 }
-int ieee80211_set_freq(struct ieee80211_local *local, int freqMHz)
+int ieee80211_set_freq(struct net_device *dev, int freqMHz)
 {
        int ret = -EINVAL;
        struct ieee80211_channel *chan;
+        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
        if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
+                if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
+                    chan->flags & IEEE80211_CHAN_NO_IBSS) {
+                        printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
+                                "%d MHz\n", dev->name, chan->center_freq);
+                        return ret;
+                }
                local->oper_channel = chan;
                if (local->sta_sw_scanning || local->sta_hw_scanning)
@@ -316,7 +323,6 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
                                   struct iw_request_info *info,
                                   struct iw_freq *freq, char *extra)
 {
-        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
@@ -330,14 +336,14 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
                                        IEEE80211_STA_AUTO_CHANNEL_SEL;
                        return 0;
                } else
-                        return ieee80211_set_freq(local,
+                        return ieee80211_set_freq(dev,
                                ieee80211_channel_to_frequency(freq->m));
        } else {
                int i, div = 1000000;
                for (i = 0; i < freq->e; i++)
                        div /= 10;
                if (div > 0)
-                        return ieee80211_set_freq(local, freq->m / div);
+                        return ieee80211_set_freq(dev, freq->m / div);
                else
                        return -EINVAL;
        }
@@ -490,9 +496,15 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
        if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
            sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-                ap_addr->sa_family = ARPHRD_ETHER;
+                if (sdata->u.sta.state == IEEE80211_ASSOCIATED ||
-                memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
+                    sdata->u.sta.state == IEEE80211_IBSS_JOINED) {
-                return 0;
+                        ap_addr->sa_family = ARPHRD_ETHER;
+                        memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
+                        return 0;
+                } else {
+                        memset(&ap_addr->sa_data, 0, ETH_ALEN);
+                        return 0;
+                }
        } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
                ap_addr->sa_family = ARPHRD_ETHER;
                memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index dc1598b86004..635b996c8c35 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -673,7 +673,7 @@ int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
 #ifdef CONFIG_MAC80211_HT_DEBUG
                        if (net_ratelimit())
                                printk(KERN_DEBUG "allocated aggregation queue"
-                                        " %d tid %d addr %s pool=0x%lX",
+                                        " %d tid %d addr %s pool=0x%lX\n",
                                        i, tid, print_mac(mac, sta->addr),
                                        q->qdisc_pool[0]);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index c4b1799da5d7..662c1ccfee26 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -196,8 +196,6 @@ destroy_conntrack(struct nf_conntrack *nfct)
        if (l4proto && l4proto->destroy)
                l4proto->destroy(ct);
-        nf_ct_ext_destroy(ct);
        rcu_read_unlock();
        spin_lock_bh(&nf_conntrack_lock);
@@ -520,6 +518,7 @@ static void nf_conntrack_free_rcu(struct rcu_head *head)
 void nf_conntrack_free(struct nf_conn *ct)
 {
+        nf_ct_ext_destroy(ct);
        call_rcu(&ct->rcu, nf_conntrack_free_rcu);
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_free);
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index e31beeb33b2b..e8f0dead267f 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -587,10 +587,10 @@ int __init nf_conntrack_expect_init(void)
        return 0;
 err3:
+        kmem_cache_destroy(nf_ct_expect_cachep);
+err2:
        nf_ct_free_hashtable(nf_ct_expect_hash, nf_ct_expect_vmalloc,
                             nf_ct_expect_hsize);
-err2:
-        kmem_cache_destroy(nf_ct_expect_cachep);
 err1:
        return err;
 }
diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c
index bcc19fa4ed1e..8a3f8b34e466 100644
--- a/net/netfilter/nf_conntrack_extend.c
+++ b/net/netfilter/nf_conntrack_extend.c
@@ -59,12 +59,19 @@ nf_ct_ext_create(struct nf_ct_ext **ext, enum nf_ct_ext_id id, gfp_t gfp)
        if (!*ext)
                return NULL;
+        INIT_RCU_HEAD(&(*ext)->rcu);
        (*ext)->offset[id] = off;
        (*ext)->len = len;
        return (void *)(*ext) + off;
 }
+static void __nf_ct_ext_free_rcu(struct rcu_head *head)
+{
+        struct nf_ct_ext *ext = container_of(head, struct nf_ct_ext, rcu);
+        kfree(ext);
+}
 void *__nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp)
 {
        struct nf_ct_ext *new;
@@ -106,7 +113,7 @@ void *__nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp)
                                        (void *)ct->ext + ct->ext->offset[i]);
                        rcu_read_unlock();
                }
-                kfree(ct->ext);
+                call_rcu(&ct->ext->rcu, __nf_ct_ext_free_rcu);
                ct->ext = new;
        }
diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 95da1a24aab7..2f83c158934d 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -619,6 +619,7 @@ static const struct nf_conntrack_expect_policy h245_exp_policy = {
 static struct nf_conntrack_helper nf_conntrack_helper_h245 __read_mostly = {
        .name                   = "H.245",
        .me                     = THIS_MODULE,
+        .tuple.src.l3num        = AF_UNSPEC,
        .tuple.dst.protonum     = IPPROTO_UDP,
        .help                   = h245_help,
        .expect_policy          = &h245_exp_policy,
@@ -1765,6 +1766,7 @@ static void __exit nf_conntrack_h323_fini(void)
        nf_conntrack_helper_unregister(&nf_conntrack_helper_ras[0]);
        nf_conntrack_helper_unregister(&nf_conntrack_helper_q931[1]);
        nf_conntrack_helper_unregister(&nf_conntrack_helper_q931[0]);
+        nf_conntrack_helper_unregister(&nf_conntrack_helper_h245);
        kfree(h323_buffer);
        pr_debug("nf_ct_h323: fini\n");
 }
@@ -1777,28 +1779,34 @@ static int __init nf_conntrack_h323_init(void)
        h323_buffer = kmalloc(65536, GFP_KERNEL);
        if (!h323_buffer)
                return -ENOMEM;
-        ret = nf_conntrack_helper_register(&nf_conntrack_helper_q931[0]);
+        ret = nf_conntrack_helper_register(&nf_conntrack_helper_h245);
        if (ret < 0)
                goto err1;
-        ret = nf_conntrack_helper_register(&nf_conntrack_helper_q931[1]);
+        ret = nf_conntrack_helper_register(&nf_conntrack_helper_q931[0]);
        if (ret < 0)
                goto err2;
-        ret = nf_conntrack_helper_register(&nf_conntrack_helper_ras[0]);
+        ret = nf_conntrack_helper_register(&nf_conntrack_helper_q931[1]);
        if (ret < 0)
                goto err3;
-        ret = nf_conntrack_helper_register(&nf_conntrack_helper_ras[1]);
+        ret = nf_conntrack_helper_register(&nf_conntrack_helper_ras[0]);
        if (ret < 0)
                goto err4;
+        ret = nf_conntrack_helper_register(&nf_conntrack_helper_ras[1]);
+        if (ret < 0)
+                goto err5;
        pr_debug("nf_ct_h323: init success\n");
        return 0;
-err4:
+err5:
        nf_conntrack_helper_unregister(&nf_conntrack_helper_ras[0]);
-err3:
+err4:
        nf_conntrack_helper_unregister(&nf_conntrack_helper_q931[1]);
-err2:
+err3:
        nf_conntrack_helper_unregister(&nf_conntrack_helper_q931[0]);
+err2:
+        nf_conntrack_helper_unregister(&nf_conntrack_helper_h245);
 err1:
+        kfree(h323_buffer);
        return ret;
 }
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index bc11d7092032..9fda6ee95a31 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -92,10 +92,6 @@ void nf_log_packet(int pf,
                vsnprintf(prefix, sizeof(prefix), fmt, args);
                va_end(args);
                logger->logfn(pf, hooknum, skb, in, out, loginfo, prefix);
-        } else if (net_ratelimit()) {
-                printk(KERN_WARNING "nf_log_packet: can\'t log since "
-                       "no backend logging module loaded in! Please either "
-                       "load one, or disable logging explicitly\n");
        }
        rcu_read_unlock();
 }
diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c
index 2e89a00df92c..70907f6baac3 100644
--- a/net/netfilter/xt_connlimit.c
+++ b/net/netfilter/xt_connlimit.c
@@ -73,7 +73,8 @@ connlimit_iphash6(const union nf_inet_addr *addr,
 static inline bool already_closed(const struct nf_conn *conn)
 {
        if (nf_ct_protonum(conn) == IPPROTO_TCP)
-                return conn->proto.tcp.state == TCP_CONNTRACK_TIME_WAIT;
+                return conn->proto.tcp.state == TCP_CONNTRACK_TIME_WAIT ||
+                       conn->proto.tcp.state == TCP_CONNTRACK_CLOSE;
        else
                return 0;
 }
diff --git a/net/netlink/attr.c b/net/netlink/attr.c
index feb326f4a752..47bbf45ae5d7 100644
--- a/net/netlink/attr.c
+++ b/net/netlink/attr.c
@@ -400,13 +400,13 @@ void __nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data)
 * @attrlen: length of attribute payload
 * @data: head of attribute payload
 *
- * Returns -1 if the tailroom of the skb is insufficient to store
+ * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store
 * the attribute header and payload.
 */
 int nla_put(struct sk_buff *skb, int attrtype, int attrlen, const void *data)
 {
        if (unlikely(skb_tailroom(skb) < nla_total_size(attrlen)))
-                return -1;
+                return -EMSGSIZE;
        __nla_put(skb, attrtype, attrlen, data);
        return 0;
@@ -418,13 +418,13 @@ int nla_put(struct sk_buff *skb, int attrtype, int attrlen, const void *data)
 * @attrlen: length of attribute payload
 * @data: head of attribute payload
 *
- * Returns -1 if the tailroom of the skb is insufficient to store
+ * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store
 * the attribute payload.
 */
 int nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data)
 {
        if (unlikely(skb_tailroom(skb) < NLA_ALIGN(attrlen)))
-                return -1;
+                return -EMSGSIZE;
        __nla_put_nohdr(skb, attrlen, data);
        return 0;
@@ -436,13 +436,13 @@ int nla_put_nohdr(struct sk_buff *skb, int attrlen, const void *data)
 * @attrlen: length of attribute payload
 * @data: head of attribute payload
 *
- * Returns -1 if the tailroom of the skb is insufficient to store
+ * Returns -EMSGSIZE if the tailroom of the skb is insufficient to store
 * the attribute payload.
 */
 int nla_append(struct sk_buff *skb, int attrlen, const void *data)
 {
        if (unlikely(skb_tailroom(skb) < NLA_ALIGN(attrlen)))
-                return -1;
+                return -EMSGSIZE;
        memcpy(skb_put(skb, attrlen), data, attrlen);
        return 0;
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index d16929c9b4bc..3e1191cecaf0 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -444,8 +444,11 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                if (ops->dumpit == NULL)
                        return -EOPNOTSUPP;
-                return netlink_dump_start(genl_sock, skb, nlh,
+                genl_unlock();
-                                          ops->dumpit, ops->done);
+                err = netlink_dump_start(genl_sock, skb, nlh,
+                                         ops->dumpit, ops->done);
+                genl_lock();
+                return err;
        }
        if (ops->doit == NULL)
@@ -554,7 +557,8 @@ static int ctrl_fill_info(struct genl_family *family, u32 pid, u32 seq,
        return genlmsg_end(skb, hdr);
 nla_put_failure:
-        return genlmsg_cancel(skb, hdr);
+        genlmsg_cancel(skb, hdr);
+        return -EMSGSIZE;
 }
 static int ctrl_fill_mcgrp_info(struct genl_multicast_group *grp, u32 pid,
@@ -590,7 +594,8 @@ static int ctrl_fill_mcgrp_info(struct genl_multicast_group *grp, u32 pid,
        return genlmsg_end(skb, hdr);
 nla_put_failure:
-        return genlmsg_cancel(skb, hdr);
+        genlmsg_cancel(skb, hdr);
+        return -EMSGSIZE;
 }
 static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)
@@ -601,9 +606,6 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)
        int chains_to_skip = cb->args[0];
        int fams_to_skip = cb->args[1];
-        if (chains_to_skip != 0)
-                genl_lock();
        for (i = 0; i < GENL_FAM_TAB_SIZE; i++) {
                if (i < chains_to_skip)
                        continue;
@@ -621,9 +623,6 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)
        }
 errout:
-        if (chains_to_skip != 0)
-                genl_unlock();
        cb->args[0] = i;
        cb->args[1] = n;
@@ -768,7 +767,7 @@ static int __init genl_init(void)
        /* we'll bump the group number right afterwards */
        genl_sock = netlink_kernel_create(&init_net, NETLINK_GENERIC, 0,
-                                          genl_rcv, NULL, THIS_MODULE);
+                                          genl_rcv, &genl_mutex, THIS_MODULE);
        if (genl_sock == NULL)
                panic("GENL: Cannot initialize generic netlink\n");
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 1086df7478bc..9360fc81e8c7 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -220,7 +220,7 @@ replay:
                tp = kzalloc(sizeof(*tp), GFP_KERNEL);
                if (tp == NULL)
                        goto errout;
-                err = -EINVAL;
+                err = -ENOENT;
                tp_ops = tcf_proto_lookup_ops(tca[TCA_KIND]);
                if (tp_ops == NULL) {
 #ifdef CONFIG_KMOD
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 0df911fd67b1..64465bacbe79 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -444,7 +444,8 @@ static int dsmark_dump_class(struct Qdisc *sch, unsigned long cl,
        return nla_nest_end(skb, opts);
 nla_put_failure:
-        return nla_nest_cancel(skb, opts);
+        nla_nest_cancel(skb, opts);
+        return -EMSGSIZE;
 }
 static int dsmark_dump(struct Qdisc *sch, struct sk_buff *skb)
@@ -466,7 +467,8 @@ static int dsmark_dump(struct Qdisc *sch, struct sk_buff *skb)
        return nla_nest_end(skb, opts);
 nla_put_failure:
-        return nla_nest_cancel(skb, opts);
+        nla_nest_cancel(skb, opts);
+        return -EMSGSIZE;
 }
 static const struct Qdisc_class_ops dsmark_class_ops = {
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 3a9d226ff1e4..c89fba56db56 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -582,7 +582,8 @@ append_opt:
        return nla_nest_end(skb, opts);
 nla_put_failure:
-        return nla_nest_cancel(skb, opts);
+        nla_nest_cancel(skb, opts);
+        return -EMSGSIZE;
 }
 static void gred_destroy(struct Qdisc *sch)
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 87293d0db1d7..fdfaa3fcc16d 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1360,7 +1360,7 @@ hfsc_dump_class(struct Qdisc *sch, unsigned long arg, struct sk_buff *skb,
 nla_put_failure:
        nla_nest_cancel(skb, nest);
-        return -1;
+        return -EMSGSIZE;
 }
 static int
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 5bc1ed490180..6807c97985a5 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -28,6 +28,7 @@
 * $Id: sch_htb.c,v 1.25 2003/12/07 11:08:25 devik Exp devik $
 */
 #include <linux/module.h>
+#include <linux/moduleparam.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
@@ -53,13 +54,17 @@
 */
 #define HTB_HSIZE 16            /* classid hash size */
-#define HTB_HYSTERESIS 1        /* whether to use mode hysteresis for speedup */
+static int htb_hysteresis __read_mostly = 0; /* whether to use mode hysteresis for speedup */
 #define HTB_VER 0x30011         /* major must be matched with number suplied by TC as version */
 #if HTB_VER >> 16 != TC_HTB_PROTOVER
 #error "Mismatched sch_htb.c and pkt_sch.h"
 #endif
+/* Module parameter and sysfs export */
+module_param    (htb_hysteresis, int, 0640);
+MODULE_PARM_DESC(htb_hysteresis, "Hysteresis mode, less CPU load, less accurate");
 /* used internaly to keep status of single class */
 enum htb_cmode {
        HTB_CANT_SEND,          /* class can't send and can't borrow */
@@ -462,19 +467,21 @@ static void htb_deactivate_prios(struct htb_sched *q, struct htb_class *cl)
                htb_remove_class_from_row(q, cl, mask);
 }
-#if HTB_HYSTERESIS
 static inline long htb_lowater(const struct htb_class *cl)
 {
-        return cl->cmode != HTB_CANT_SEND ? -cl->cbuffer : 0;
+        if (htb_hysteresis)
+                return cl->cmode != HTB_CANT_SEND ? -cl->cbuffer : 0;
+        else
+                return 0;
 }
 static inline long htb_hiwater(const struct htb_class *cl)
 {
-        return cl->cmode == HTB_CAN_SEND ? -cl->buffer : 0;
+        if (htb_hysteresis)
+                return cl->cmode == HTB_CAN_SEND ? -cl->buffer : 0;
+        else
+                return 0;
 }
-#else
-#define htb_lowater(cl) (0)
-#define htb_hiwater(cl) (0)
-#endif
 /**
 * htb_class_mode - computes and returns current class mode
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 3dcd493f4f4a..5c569853b9c0 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -281,7 +281,8 @@ static int red_dump(struct Qdisc *sch, struct sk_buff *skb)
        return nla_nest_end(skb, opts);
 nla_put_failure:
-        return nla_nest_cancel(skb, opts);
+        nla_nest_cancel(skb, opts);
+        return -EMSGSIZE;
 }
 static int red_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index b4cd2b71953f..024c3ebd9661 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -474,6 +474,15 @@ static void sctp_association_destroy(struct sctp_association *asoc)
 void sctp_assoc_set_primary(struct sctp_association *asoc,
                            struct sctp_transport *transport)
 {
+        int changeover = 0;
+        /* it's a changeover only if we already have a primary path
+         * that we are changing
+         */
+        if (asoc->peer.primary_path != NULL &&
+            asoc->peer.primary_path != transport)
+                changeover = 1 ;
        asoc->peer.primary_path = transport;
        /* Set a default msg_name for events. */
@@ -499,12 +508,12 @@ void sctp_assoc_set_primary(struct sctp_association *asoc,
         * double switch to the same destination address.
         */
        if (transport->cacc.changeover_active)
-                transport->cacc.cycling_changeover = 1;
+                transport->cacc.cycling_changeover = changeover;
        /* 2) The sender MUST set CHANGEOVER_ACTIVE to indicate that
         * a changeover has occurred.
         */
-        transport->cacc.changeover_active = 1;
+        transport->cacc.changeover_active = changeover;
        /* 3) The sender MUST store the next TSN to be sent in
         * next_tsn_at_change.
@@ -1203,6 +1212,9 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
        struct list_head *head = &asoc->peer.transport_addr_list;
        struct list_head *pos;
+        if (asoc->peer.transport_count == 1)
+                return;
        /* Find the next transport in a round-robin fashion. */
        t = asoc->peer.retran_path;
        pos = &t->transports;
@@ -1217,6 +1229,15 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
                t = list_entry(pos, struct sctp_transport, transports);
+                /* We have exhausted the list, but didn't find any
+                 * other active transports.  If so, use the next
+                 * transport.
+                 */
+                if (t == asoc->peer.retran_path) {
+                        t = next;
+                        break;
+                }
                /* Try to find an active transport. */
                if ((t->state == SCTP_ACTIVE) ||
@@ -1229,15 +1250,6 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
                        if (!next)
                                next = t;
                }
-                /* We have exhausted the list, but didn't find any
-                 * other active transports.  If so, use the next
-                 * transport.
-                 */
-                if (t == asoc->peer.retran_path) {
-                        t = next;
-                        break;
-                }
        }
        asoc->peer.retran_path = t;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index e45e44c60635..a2f4d4d51593 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -299,7 +299,8 @@ static inline int sctp_v6_addr_match_len(union sctp_addr *s1,
 /* Fills in the source address(saddr) based on the destination address(daddr)
 * and asoc's bind address list.
 */
-static void sctp_v6_get_saddr(struct sctp_association *asoc,
+static void sctp_v6_get_saddr(struct sctp_sock *sk,
+                              struct sctp_association *asoc,
                              struct dst_entry *dst,
                              union sctp_addr *daddr,
                              union sctp_addr *saddr)
@@ -318,7 +319,7 @@ static void sctp_v6_get_saddr(struct sctp_association *asoc,
        if (!asoc) {
                ipv6_dev_get_saddr(dst ? ip6_dst_idev(dst)->dev : NULL,
                                   &daddr->v6.sin6_addr,
-                                   inet6_sk(asoc->base.sk)->srcprefs,
+                                   inet6_sk(&sk->inet.sk)->srcprefs,
                                   &saddr->v6.sin6_addr);
                SCTP_DEBUG_PRINTK("saddr from ipv6_get_saddr: " NIP6_FMT "\n",
                                  NIP6(saddr->v6.sin6_addr));
@@ -726,6 +727,11 @@ static void sctp_v6_seq_dump_addr(struct seq_file *seq, union sctp_addr *addr)
        seq_printf(seq, NIP6_FMT " ", NIP6(addr->v6.sin6_addr));
 }
+static void sctp_v6_ecn_capable(struct sock *sk)
+{
+        inet6_sk(sk)->tclass |= INET_ECN_ECT_0;
+}
 /* Initialize a PF_INET6 socket msg_name. */
 static void sctp_inet6_msgname(char *msgname, int *addr_len)
 {
@@ -996,6 +1002,7 @@ static struct sctp_af sctp_af_inet6 = {
        .skb_iif           = sctp_v6_skb_iif,
        .is_ce             = sctp_v6_is_ce,
        .seq_dump_addr     = sctp_v6_seq_dump_addr,
+        .ecn_capable       = sctp_v6_ecn_capable,
        .net_header_len    = sizeof(struct ipv6hdr),
        .sockaddr_len      = sizeof(struct sockaddr_in6),
 #ifdef CONFIG_COMPAT
diff --git a/net/sctp/output.c b/net/sctp/output.c
index cf4f9fb6819d..6d45bae93b46 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -548,7 +548,7 @@ int sctp_packet_transmit(struct sctp_packet *packet)
         * Note: The works for IPv6 layer checks this bit too later
         * in transmission.  See IP6_ECN_flow_xmit().
         */
-        INET_ECN_xmit(nskb->sk);
+        (*tp->af_specific->ecn_capable)(nskb->sk);
        /* Set up the IP options.  */
        /* BUG: not implemented
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 59edfd25a19c..ace6770e9048 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -208,6 +208,7 @@ void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q)
        INIT_LIST_HEAD(&q->sacked);
        INIT_LIST_HEAD(&q->abandoned);
+        q->fast_rtx = 0;
        q->outstanding_bytes = 0;
        q->empty = 1;
        q->cork  = 0;
@@ -500,6 +501,7 @@ void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,
        case SCTP_RTXR_FAST_RTX:
                SCTP_INC_STATS(SCTP_MIB_FAST_RETRANSMITS);
                sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_FAST_RTX);
+                q->fast_rtx = 1;
                break;
        case SCTP_RTXR_PMTUD:
                SCTP_INC_STATS(SCTP_MIB_PMTUD_RETRANSMITS);
@@ -518,9 +520,15 @@ void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,
         * the sender SHOULD try to advance the "Advanced.Peer.Ack.Point" by
         * following the procedures outlined in C1 - C5.
         */
-        sctp_generate_fwdtsn(q, q->asoc->ctsn_ack_point);
+        if (reason == SCTP_RTXR_T3_RTX)
+                sctp_generate_fwdtsn(q, q->asoc->ctsn_ack_point);
-        error = sctp_outq_flush(q, /* rtx_timeout */ 1);
+        /* Flush the queues only on timeout, since fast_rtx is only
+         * triggered during sack processing and the queue
+         * will be flushed at the end.
+         */
+        if (reason != SCTP_RTXR_FAST_RTX)
+                error = sctp_outq_flush(q, /* rtx_timeout */ 1);
        if (error)
                q->asoc->base.sk->sk_err = -error;
@@ -538,17 +546,23 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
                               int rtx_timeout, int *start_timer)
 {
        struct list_head *lqueue;
-        struct list_head *lchunk;
        struct sctp_transport *transport = pkt->transport;
        sctp_xmit_t status;
        struct sctp_chunk *chunk, *chunk1;
        struct sctp_association *asoc;
+        int fast_rtx;
        int error = 0;
+        int timer = 0;
+        int done = 0;
        asoc = q->asoc;
        lqueue = &q->retransmit;
+        fast_rtx = q->fast_rtx;
-        /* RFC 2960 6.3.3 Handle T3-rtx Expiration
+        /* This loop handles time-out retransmissions, fast retransmissions,
+         * and retransmissions due to opening of whindow.
+         *
+         * RFC 2960 6.3.3 Handle T3-rtx Expiration
         *
         * E3) Determine how many of the earliest (i.e., lowest TSN)
         * outstanding DATA chunks for the address for which the
@@ -563,12 +577,12 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
         * [Just to be painfully clear, if we are retransmitting
         * because a timeout just happened, we should send only ONE
         * packet of retransmitted data.]
+         *
+         * For fast retransmissions we also send only ONE packet.  However,
+         * if we are just flushing the queue due to open window, we'll
+         * try to send as much as possible.
         */
-        lchunk = sctp_list_dequeue(lqueue);
+        list_for_each_entry_safe(chunk, chunk1, lqueue, transmitted_list) {
-        while (lchunk) {
-                chunk = list_entry(lchunk, struct sctp_chunk,
-                                   transmitted_list);
                /* Make sure that Gap Acked TSNs are not retransmitted.  A
                 * simple approach is just to move such TSNs out of the
@@ -576,58 +590,60 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
                 * next chunk.
                 */
                if (chunk->tsn_gap_acked) {
-                        list_add_tail(lchunk, &transport->transmitted);
+                        list_del(&chunk->transmitted_list);
-                        lchunk = sctp_list_dequeue(lqueue);
+                        list_add_tail(&chunk->transmitted_list,
+                                        &transport->transmitted);
                        continue;
                }
+                /* If we are doing fast retransmit, ignore non-fast_rtransmit
+                 * chunks
+                 */
+                if (fast_rtx && !chunk->fast_retransmit)
+                        continue;
                /* Attempt to append this chunk to the packet. */
                status = sctp_packet_append_chunk(pkt, chunk);
                switch (status) {
                case SCTP_XMIT_PMTU_FULL:
                        /* Send this packet.  */
-                        if ((error = sctp_packet_transmit(pkt)) == 0)
+                        error = sctp_packet_transmit(pkt);
-                                *start_timer = 1;
                        /* If we are retransmitting, we should only
                         * send a single packet.
                         */
-                        if (rtx_timeout) {
+                        if (rtx_timeout || fast_rtx)
-                                list_add(lchunk, lqueue);
+                                done = 1;
-                                lchunk = NULL;
-                        }
-                        /* Bundle lchunk in the next round.  */
+                        /* Bundle next chunk in the next round.  */
                        break;
                case SCTP_XMIT_RWND_FULL:
                        /* Send this packet. */
-                        if ((error = sctp_packet_transmit(pkt)) == 0)
+                        error = sctp_packet_transmit(pkt);
-                                *start_timer = 1;
                        /* Stop sending DATA as there is no more room
                         * at the receiver.
                         */
-                        list_add(lchunk, lqueue);
+                        done = 1;
-                        lchunk = NULL;
                        break;
                case SCTP_XMIT_NAGLE_DELAY:
                        /* Send this packet. */
-                        if ((error = sctp_packet_transmit(pkt)) == 0)
+                        error = sctp_packet_transmit(pkt);
-                                *start_timer = 1;
                        /* Stop sending DATA because of nagle delay. */
-                        list_add(lchunk, lqueue);
+                        done = 1;
-                        lchunk = NULL;
                        break;
                default:
                        /* The append was successful, so add this chunk to
                         * the transmitted list.
                         */
-                        list_add_tail(lchunk, &transport->transmitted);
+                        list_del(&chunk->transmitted_list);
+                        list_add_tail(&chunk->transmitted_list,
+                                        &transport->transmitted);
                        /* Mark the chunk as ineligible for fast retransmit
                         * after it is retransmitted.
@@ -635,27 +651,44 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
                        if (chunk->fast_retransmit > 0)
                                chunk->fast_retransmit = -1;
-                        *start_timer = 1;
+                        /* Force start T3-rtx timer when fast retransmitting
-                        q->empty = 0;
+                         * the earliest outstanding TSN
+                         */
+                        if (!timer && fast_rtx &&
+                            ntohl(chunk->subh.data_hdr->tsn) ==
+                                             asoc->ctsn_ack_point + 1)
+                                timer = 2;
-                        /* Retrieve a new chunk to bundle. */
+                        q->empty = 0;
-                        lchunk = sctp_list_dequeue(lqueue);
                        break;
                }
-                /* If we are here due to a retransmit timeout or a fast
+                /* Set the timer if there were no errors */
-                 * retransmit and if there are any chunks left in the retransmit
+                if (!error && !timer)
-                 * queue that could not fit in the PMTU sized packet, they need
+                        timer = 1;
-                 * to be marked as ineligible for a subsequent fast retransmit.
-                 */
+                if (done)
-                if (rtx_timeout && !lchunk) {
+                        break;
-                        list_for_each_entry(chunk1, lqueue, transmitted_list) {
+        }
-                                if (chunk1->fast_retransmit > 0)
-                                        chunk1->fast_retransmit = -1;
+        /* If we are here due to a retransmit timeout or a fast
-                        }
+         * retransmit and if there are any chunks left in the retransmit
+         * queue that could not fit in the PMTU sized packet, they need
+         * to be marked as ineligible for a subsequent fast retransmit.
+         */
+        if (rtx_timeout || fast_rtx) {
+                list_for_each_entry(chunk1, lqueue, transmitted_list) {
+                        if (chunk1->fast_retransmit > 0)
+                                chunk1->fast_retransmit = -1;
                }
        }
+        *start_timer = timer;
+        /* Clear fast retransmit hint */
+        if (fast_rtx)
+                q->fast_rtx = 0;
        return error;
 }
@@ -862,7 +895,8 @@ int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
                                                    rtx_timeout, &start_timer);
                        if (start_timer)
-                                sctp_transport_reset_timers(transport);
+                                sctp_transport_reset_timers(transport,
+                                                            start_timer-1);
                        /* This can happen on COOKIE-ECHO resend.  Only
                         * one chunk can get bundled with a COOKIE-ECHO.
@@ -977,7 +1011,7 @@ int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
                        list_add_tail(&chunk->transmitted_list,
                                      &transport->transmitted);
-                        sctp_transport_reset_timers(transport);
+                        sctp_transport_reset_timers(transport, start_timer-1);
                        q->empty = 0;
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 0ec234b762c2..9258dfe784ae 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -108,14 +108,23 @@ static __init int sctp_proc_init(void)
        }
        if (sctp_snmp_proc_init())
-                goto out_nomem;
+                goto out_snmp_proc_init;
        if (sctp_eps_proc_init())
-                goto out_nomem;
+                goto out_eps_proc_init;
        if (sctp_assocs_proc_init())
-                goto out_nomem;
+                goto out_assocs_proc_init;
        return 0;
+out_assocs_proc_init:
+        sctp_eps_proc_exit();
+out_eps_proc_init:
+        sctp_snmp_proc_exit();
+out_snmp_proc_init:
+        if (proc_net_sctp) {
+                proc_net_sctp = NULL;
+                remove_proc_entry("sctp", init_net.proc_net);
+        }
 out_nomem:
        return -ENOMEM;
 }
@@ -470,11 +479,11 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
                /* Walk through the bind address list and look for a bind
                 * address that matches the source address of the returned dst.
                 */
+                sctp_v4_dst_saddr(&dst_saddr, dst, htons(bp->port));
                rcu_read_lock();
                list_for_each_entry_rcu(laddr, &bp->address_list, list) {
                        if (!laddr->valid || (laddr->state != SCTP_ADDR_SRC))
                                continue;
-                        sctp_v4_dst_saddr(&dst_saddr, dst, htons(bp->port));
                        if (sctp_v4_cmp_addr(&dst_saddr, &laddr->a))
                                goto out_unlock;
                }
@@ -519,7 +528,8 @@ out:
 /* For v4, the source address is cached in the route entry(dst). So no need
 * to cache it separately and hence this is an empty routine.
 */
-static void sctp_v4_get_saddr(struct sctp_association *asoc,
+static void sctp_v4_get_saddr(struct sctp_sock *sk,
+                              struct sctp_association *asoc,
                              struct dst_entry *dst,
                              union sctp_addr *daddr,
                              union sctp_addr *saddr)
@@ -616,6 +626,11 @@ static void sctp_v4_seq_dump_addr(struct seq_file *seq, union sctp_addr *addr)
        seq_printf(seq, "%d.%d.%d.%d ", NIPQUAD(addr->v4.sin_addr));
 }
+static void sctp_v4_ecn_capable(struct sock *sk)
+{
+        INET_ECN_xmit(sk);
+}
 /* Event handler for inet address addition/deletion events.
 * The sctp_local_addr_list needs to be protocted by a spin lock since
 * multiple notifiers (say IPv4 and IPv6) may be running at the same
@@ -934,6 +949,7 @@ static struct sctp_af sctp_af_inet = {
        .skb_iif           = sctp_v4_skb_iif,
        .is_ce             = sctp_v4_is_ce,
        .seq_dump_addr     = sctp_v4_seq_dump_addr,
+        .ecn_capable       = sctp_v4_ecn_capable,
        .net_header_len    = sizeof(struct iphdr),
        .sockaddr_len      = sizeof(struct sockaddr_in),
 #ifdef CONFIG_COMPAT
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index e7e3baf7009e..0dbcde6758ea 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4401,7 +4401,9 @@ static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len,
        if (copy_from_user(&getaddrs, optval, len))
                return -EFAULT;
-        if (getaddrs.addr_num <= 0) return -EINVAL;
+        if (getaddrs.addr_num <= 0 ||
+            getaddrs.addr_num >= (INT_MAX / sizeof(union sctp_addr)))
+                return -EINVAL;
        /*
         *  For UDP-style sockets, id specifies the association to query.
         *  If the id field is set to the value '0' then the locally bound
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index f4938f6c5abe..3f34f61221ec 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -79,6 +79,7 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
        peer->rttvar = 0;
        peer->srtt = 0;
        peer->rto_pending = 0;
+        peer->fast_recovery = 0;
        peer->last_time_heard = jiffies;
        peer->last_time_used = jiffies;
@@ -190,7 +191,7 @@ static void sctp_transport_destroy(struct sctp_transport *transport)
 /* Start T3_rtx timer if it is not already running and update the heartbeat
 * timer.  This routine is called every time a DATA chunk is sent.
 */
-void sctp_transport_reset_timers(struct sctp_transport *transport)
+void sctp_transport_reset_timers(struct sctp_transport *transport, int force)
 {
        /* RFC 2960 6.3.2 Retransmission Timer Rules
         *
@@ -200,7 +201,7 @@ void sctp_transport_reset_timers(struct sctp_transport *transport)
         * address.
         */
-        if (!timer_pending(&transport->T3_rtx_timer))
+        if (force || !timer_pending(&transport->T3_rtx_timer))
                if (!mod_timer(&transport->T3_rtx_timer,
                               jiffies + transport->rto))
                        sctp_transport_hold(transport);
@@ -291,7 +292,7 @@ void sctp_transport_route(struct sctp_transport *transport,
        if (saddr)
                memcpy(&transport->saddr, saddr, sizeof(union sctp_addr));
        else
-                af->get_saddr(asoc, dst, daddr, &transport->saddr);
+                af->get_saddr(opt, asoc, dst, daddr, &transport->saddr);
        transport->dst = dst;
        if ((transport->param_flags & SPP_PMTUD_DISABLE) && transport->pathmtu) {
@@ -403,11 +404,16 @@ void sctp_transport_raise_cwnd(struct sctp_transport *transport,
        cwnd = transport->cwnd;
        flight_size = transport->flight_size;
+        /* See if we need to exit Fast Recovery first */
+        if (transport->fast_recovery &&
+            TSN_lte(transport->fast_recovery_exit, sack_ctsn))
+                transport->fast_recovery = 0;
        /* The appropriate cwnd increase algorithm is performed if, and only
-         * if the cumulative TSN has advanced and the congestion window is
+         * if the cumulative TSN whould advanced and the congestion window is
         * being fully utilized.
         */
-        if ((transport->asoc->ctsn_ack_point >= sack_ctsn) ||
+        if (TSN_lte(sack_ctsn, transport->asoc->ctsn_ack_point) ||
            (flight_size < cwnd))
                return;
@@ -416,17 +422,23 @@ void sctp_transport_raise_cwnd(struct sctp_transport *transport,
        pmtu = transport->asoc->pathmtu;
        if (cwnd <= ssthresh) {
-                /* RFC 2960 7.2.1, sctpimpguide-05 2.14.2 When cwnd is less
+                /* RFC 4960 7.2.1
-                 * than or equal to ssthresh an SCTP endpoint MUST use the
+                 * o  When cwnd is less than or equal to ssthresh, an SCTP
-                 * slow start algorithm to increase cwnd only if the current
+                 *    endpoint MUST use the slow-start algorithm to increase
-                 * congestion window is being fully utilized and an incoming
+                 *    cwnd only if the current congestion window is being fully
-                 * SACK advances the Cumulative TSN Ack Point. Only when these
+                 *    utilized, an incoming SACK advances the Cumulative TSN
-                 * two conditions are met can the cwnd be increased otherwise
+                 *    Ack Point, and the data sender is not in Fast Recovery.
-                 * the cwnd MUST not be increased. If these conditions are met
+                 *    Only when these three conditions are met can the cwnd be
-                 * then cwnd MUST be increased by at most the lesser of
+                 *    increased; otherwise, the cwnd MUST not be increased.
-                 * 1) the total size of the previously outstanding DATA
+                 *    If these conditions are met, then cwnd MUST be increased
-                 * chunk(s) acknowledged, and 2) the destination's path MTU.
+                 *    by, at most, the lesser of 1) the total size of the
+                 *    previously outstanding DATA chunk(s) acknowledged, and
+                 *    2) the destination's path MTU.  This upper bound protects
+                 *    against the ACK-Splitting attack outlined in [SAVAGE99].
                 */
+                if (transport->fast_recovery)
+                        return;
                if (bytes_acked > pmtu)
                        cwnd += pmtu;
                else
@@ -502,6 +514,13 @@ void sctp_transport_lower_cwnd(struct sctp_transport *transport,
                 *      cwnd = ssthresh
                 *      partial_bytes_acked = 0
                 */
+                if (transport->fast_recovery)
+                        return;
+                /* Mark Fast recovery */
+                transport->fast_recovery = 1;
+                transport->fast_recovery_exit = transport->asoc->next_tsn - 1;
                transport->ssthresh = max(transport->cwnd/2,
                                          4*transport->asoc->pathmtu);
                transport->cwnd = transport->ssthresh;
@@ -586,6 +605,7 @@ void sctp_transport_reset(struct sctp_transport *t)
        t->flight_size = 0;
        t->error_count = 0;
        t->rto_pending = 0;
+        t->fast_recovery = 0;
        /* Initialize the state information for SFR-CACC */
        t->cacc.changeover_active = 0;
diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c
index d927d9f57412..744b79fdcb19 100644
--- a/net/sunrpc/auth_generic.c
+++ b/net/sunrpc/auth_generic.c
@@ -17,8 +17,8 @@
 # define RPCDBG_FACILITY        RPCDBG_AUTH
 #endif
-#define RPC_ANONYMOUS_USERID    ((uid_t)-2)
+#define RPC_MACHINE_CRED_USERID         ((uid_t)0)
-#define RPC_ANONYMOUS_GROUPID   ((gid_t)-2)
+#define RPC_MACHINE_CRED_GROUPID        ((gid_t)0)
 struct generic_cred {
        struct rpc_cred gc_base;
@@ -44,8 +44,8 @@ EXPORT_SYMBOL_GPL(rpc_lookup_cred);
 struct rpc_cred *rpc_lookup_machine_cred(void)
 {
        struct auth_cred acred = {
-                .uid = RPC_ANONYMOUS_USERID,
+                .uid = RPC_MACHINE_CRED_USERID,
-                .gid = RPC_ANONYMOUS_GROUPID,
+                .gid = RPC_MACHINE_CRED_GROUPID,
                .machine_cred = 1,
        };
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index d8e8d79a8451..e46c825f4954 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -6,30 +6,9 @@
 #include <linux/sched.h>
 #include <linux/errno.h>
-#include <linux/fcntl.h>
-#include <linux/net.h>
-#include <linux/in.h>
-#include <linux/inet.h>
-#include <linux/udp.h>
-#include <linux/tcp.h>
-#include <linux/unistd.h>
-#include <linux/slab.h>
-#include <linux/netdevice.h>
-#include <linux/skbuff.h>
-#include <linux/file.h>
 #include <linux/freezer.h>
 #include <linux/kthread.h>
 #include <net/sock.h>
-#include <net/checksum.h>
-#include <net/ip.h>
-#include <net/ipv6.h>
-#include <net/tcp_states.h>
-#include <linux/uaccess.h>
-#include <asm/ioctls.h>
-#include <linux/sunrpc/types.h>
-#include <linux/sunrpc/clnt.h>
-#include <linux/sunrpc/xdr.h>
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/svc_xprt.h>
@@ -296,8 +275,6 @@ void svc_xprt_enqueue(struct svc_xprt *xprt)
        if (!(xprt->xpt_flags &
              ((1<<XPT_CONN)|(1<<XPT_DATA)|(1<<XPT_CLOSE)|(1<<XPT_DEFERRED))))
                return;
-        if (test_bit(XPT_DEAD, &xprt->xpt_flags))
-                return;
        cpu = get_cpu();
        pool = svc_pool_for_cpu(xprt->xpt_server, cpu);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 3f30ee6006ae..f24800f2c098 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -278,7 +278,7 @@ static int ip_map_show(struct seq_file *m,
                dom = im->m_client->h.name;
        if (ipv6_addr_v4mapped(&addr)) {
-                seq_printf(m, "%s" NIPQUAD_FMT "%s\n",
+                seq_printf(m, "%s " NIPQUAD_FMT " %s\n",
                        im->m_class,
                        ntohl(addr.s6_addr32[3]) >> 24 & 0xff,
                        ntohl(addr.s6_addr32[3]) >> 16 & 0xff,
@@ -286,7 +286,7 @@ static int ip_map_show(struct seq_file *m,
                        ntohl(addr.s6_addr32[3]) >>  0 & 0xff,
                        dom);
        } else {
-                seq_printf(m, "%s" NIP6_FMT "%s\n",
+                seq_printf(m, "%s " NIP6_FMT " %s\n",
                        im->m_class, NIP6(addr), dom);
        }
        return 0;
diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c
index 88c0ca20bb1e..87101177825b 100644
--- a/net/sunrpc/xprtrdma/svc_rdma.c
+++ b/net/sunrpc/xprtrdma/svc_rdma.c
@@ -69,6 +69,10 @@ atomic_t rdma_stat_rq_prod;
 atomic_t rdma_stat_sq_poll;
 atomic_t rdma_stat_sq_prod;
+/* Temporary NFS request map and context caches */
+struct kmem_cache *svc_rdma_map_cachep;
+struct kmem_cache *svc_rdma_ctxt_cachep;
 /*
 * This function implements reading and resetting an atomic_t stat
 * variable through read/write to a proc file. Any write to the file
@@ -236,11 +240,14 @@ static ctl_table svcrdma_root_table[] = {
 void svc_rdma_cleanup(void)
 {
        dprintk("SVCRDMA Module Removed, deregister RPC RDMA transport\n");
+        flush_scheduled_work();
        if (svcrdma_table_header) {
                unregister_sysctl_table(svcrdma_table_header);
                svcrdma_table_header = NULL;
        }
        svc_unreg_xprt_class(&svc_rdma_class);
+        kmem_cache_destroy(svc_rdma_map_cachep);
+        kmem_cache_destroy(svc_rdma_ctxt_cachep);
 }
 int svc_rdma_init(void)
@@ -255,9 +262,37 @@ int svc_rdma_init(void)
                svcrdma_table_header =
                        register_sysctl_table(svcrdma_root_table);
+        /* Create the temporary map cache */
+        svc_rdma_map_cachep = kmem_cache_create("svc_rdma_map_cache",
+                                                sizeof(struct svc_rdma_req_map),
+                                                0,
+                                                SLAB_HWCACHE_ALIGN,
+                                                NULL);
+        if (!svc_rdma_map_cachep) {
+                printk(KERN_INFO "Could not allocate map cache.\n");
+                goto err0;
+        }
+        /* Create the temporary context cache */
+        svc_rdma_ctxt_cachep =
+                kmem_cache_create("svc_rdma_ctxt_cache",
+                                  sizeof(struct svc_rdma_op_ctxt),
+                                  0,
+                                  SLAB_HWCACHE_ALIGN,
+                                  NULL);
+        if (!svc_rdma_ctxt_cachep) {
+                printk(KERN_INFO "Could not allocate WR ctxt cache.\n");
+                goto err1;
+        }
        /* Register RDMA with the SVC transport switch */
        svc_reg_xprt_class(&svc_rdma_class);
        return 0;
+ err1:
+        kmem_cache_destroy(svc_rdma_map_cachep);
+ err0:
+        unregister_sysctl_table(svcrdma_table_header);
+        return -ENOMEM;
 }
 MODULE_AUTHOR("Tom Tucker <tom@opengridcomputing.com>");
 MODULE_DESCRIPTION("SVC RDMA Transport");
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index c22d6b6f2db4..b4b17f44cb29 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -112,11 +112,6 @@ static void rdma_build_arg_xdr(struct svc_rqst *rqstp,
        rqstp->rq_arg.tail[0].iov_len = 0;
 }
-struct chunk_sge {
-        int start;              /* sge no for this chunk */
-        int count;              /* sge count for this chunk */
-};
 /* Encode a read-chunk-list as an array of IB SGE
 *
 * Assumptions:
@@ -134,8 +129,8 @@ static int rdma_rcl_to_sge(struct svcxprt_rdma *xprt,
                           struct svc_rqst *rqstp,
                           struct svc_rdma_op_ctxt *head,
                           struct rpcrdma_msg *rmsgp,
-                           struct ib_sge *sge,
+                           struct svc_rdma_req_map *rpl_map,
-                           struct chunk_sge *ch_sge_ary,
+                           struct svc_rdma_req_map *chl_map,
                           int ch_count,
                           int byte_count)
 {
@@ -156,22 +151,18 @@ static int rdma_rcl_to_sge(struct svcxprt_rdma *xprt,
        head->arg.head[0] = rqstp->rq_arg.head[0];
        head->arg.tail[0] = rqstp->rq_arg.tail[0];
        head->arg.pages = &head->pages[head->count];
-        head->sge[0].length = head->count; /* save count of hdr pages */
+        head->hdr_count = head->count; /* save count of hdr pages */
        head->arg.page_base = 0;
        head->arg.page_len = ch_bytes;
        head->arg.len = rqstp->rq_arg.len + ch_bytes;
        head->arg.buflen = rqstp->rq_arg.buflen + ch_bytes;
        head->count++;
-        ch_sge_ary[0].start = 0;
+        chl_map->ch[0].start = 0;
        while (byte_count) {
+                rpl_map->sge[sge_no].iov_base =
+                        page_address(rqstp->rq_arg.pages[page_no]) + page_off;
                sge_bytes = min_t(int, PAGE_SIZE-page_off, ch_bytes);
-                sge[sge_no].addr =
+                rpl_map->sge[sge_no].iov_len = sge_bytes;
-                        ib_dma_map_page(xprt->sc_cm_id->device,
-                                        rqstp->rq_arg.pages[page_no],
-                                        page_off, sge_bytes,
-                                        DMA_FROM_DEVICE);
-                sge[sge_no].length = sge_bytes;
-                sge[sge_no].lkey = xprt->sc_phys_mr->lkey;
                /*
                 * Don't bump head->count here because the same page
                 * may be used by multiple SGE.
@@ -187,11 +178,11 @@ static int rdma_rcl_to_sge(struct svcxprt_rdma *xprt,
                 * SGE, move to the next SGE
                 */
                if (ch_bytes == 0) {
-                        ch_sge_ary[ch_no].count =
+                        chl_map->ch[ch_no].count =
-                                sge_no - ch_sge_ary[ch_no].start;
+                                sge_no - chl_map->ch[ch_no].start;
                        ch_no++;
                        ch++;
-                        ch_sge_ary[ch_no].start = sge_no;
+                        chl_map->ch[ch_no].start = sge_no;
                        ch_bytes = ch->rc_target.rs_length;
                        /* If bytes remaining account for next chunk */
                        if (byte_count) {
@@ -220,18 +211,25 @@ static int rdma_rcl_to_sge(struct svcxprt_rdma *xprt,
        return sge_no;
 }
-static void rdma_set_ctxt_sge(struct svc_rdma_op_ctxt *ctxt,
+static void rdma_set_ctxt_sge(struct svcxprt_rdma *xprt,
-                              struct ib_sge *sge,
+                              struct svc_rdma_op_ctxt *ctxt,
+                              struct kvec *vec,
                              u64 *sgl_offset,
                              int count)
 {
        int i;
        ctxt->count = count;
+        ctxt->direction = DMA_FROM_DEVICE;
        for (i = 0; i < count; i++) {
-                ctxt->sge[i].addr = sge[i].addr;
+                atomic_inc(&xprt->sc_dma_used);
-                ctxt->sge[i].length = sge[i].length;
+                ctxt->sge[i].addr =
-                *sgl_offset = *sgl_offset + sge[i].length;
+                        ib_dma_map_single(xprt->sc_cm_id->device,
+                                          vec[i].iov_base, vec[i].iov_len,
+                                          DMA_FROM_DEVICE);
+                ctxt->sge[i].length = vec[i].iov_len;
+                ctxt->sge[i].lkey = xprt->sc_phys_mr->lkey;
+                *sgl_offset = *sgl_offset + vec[i].iov_len;
        }
 }
@@ -260,11 +258,16 @@ static int rdma_read_max_sge(struct svcxprt_rdma *xprt, int sge_count)
 * On our side, we need to read into a pagelist. The first page immediately
 * follows the RPC header.
 *
- * This function returns 1 to indicate success. The data is not yet in
+ * This function returns:
+ * 0 - No error and no read-list found.
+ *
+ * 1 - Successful read-list processing. The data is not yet in
 * the pagelist and therefore the RPC request must be deferred. The
 * I/O completion will enqueue the transport again and
 * svc_rdma_recvfrom will complete the request.
 *
+ * <0 - Error processing/posting read-list.
+ *
 * NOTE: The ctxt must not be touched after the last WR has been posted
 * because the I/O completion processing may occur on another
 * processor and free / modify the context. Ne touche pas!
@@ -277,50 +280,38 @@ static int rdma_read_xdr(struct svcxprt_rdma *xprt,
        struct ib_send_wr read_wr;
        int err = 0;
        int ch_no;
-        struct ib_sge *sge;
        int ch_count;
        int byte_count;
        int sge_count;
        u64 sgl_offset;
        struct rpcrdma_read_chunk *ch;
        struct svc_rdma_op_ctxt *ctxt = NULL;
-        struct svc_rdma_op_ctxt *head;
+        struct svc_rdma_req_map *rpl_map;
-        struct svc_rdma_op_ctxt *tmp_sge_ctxt;
+        struct svc_rdma_req_map *chl_map;
-        struct svc_rdma_op_ctxt *tmp_ch_ctxt;
-        struct chunk_sge *ch_sge_ary;
        /* If no read list is present, return 0 */
        ch = svc_rdma_get_read_chunk(rmsgp);
        if (!ch)
                return 0;
-        /* Allocate temporary contexts to keep SGE */
+        /* Allocate temporary reply and chunk maps */
-        BUG_ON(sizeof(struct ib_sge) < sizeof(struct chunk_sge));
+        rpl_map = svc_rdma_get_req_map();
-        tmp_sge_ctxt = svc_rdma_get_context(xprt);
+        chl_map = svc_rdma_get_req_map();
-        sge = tmp_sge_ctxt->sge;
-        tmp_ch_ctxt = svc_rdma_get_context(xprt);
-        ch_sge_ary = (struct chunk_sge *)tmp_ch_ctxt->sge;
        svc_rdma_rcl_chunk_counts(ch, &ch_count, &byte_count);
+        if (ch_count > RPCSVC_MAXPAGES)
+                return -EINVAL;
        sge_count = rdma_rcl_to_sge(xprt, rqstp, hdr_ctxt, rmsgp,
-                                    sge, ch_sge_ary,
+                                    rpl_map, chl_map,
                                    ch_count, byte_count);
-        head = svc_rdma_get_context(xprt);
        sgl_offset = 0;
        ch_no = 0;
        for (ch = (struct rpcrdma_read_chunk *)&rmsgp->rm_body.rm_chunks[0];
             ch->rc_discrim != 0; ch++, ch_no++) {
 next_sge:
-                if (!ctxt)
+                ctxt = svc_rdma_get_context(xprt);
-                        ctxt = head;
-                else {
-                        ctxt->next = svc_rdma_get_context(xprt);
-                        ctxt = ctxt->next;
-                }
-                ctxt->next = NULL;
                ctxt->direction = DMA_FROM_DEVICE;
-                clear_bit(RDMACTXT_F_READ_DONE, &ctxt->flags);
                clear_bit(RDMACTXT_F_LAST_CTXT, &ctxt->flags);
                /* Prepare READ WR */
@@ -333,50 +324,46 @@ next_sge:
                read_wr.wr.rdma.remote_addr =
                        get_unaligned(&(ch->rc_target.rs_offset)) +
                        sgl_offset;
-                read_wr.sg_list = &sge[ch_sge_ary[ch_no].start];
+                read_wr.sg_list = ctxt->sge;
                read_wr.num_sge =
-                        rdma_read_max_sge(xprt, ch_sge_ary[ch_no].count);
+                        rdma_read_max_sge(xprt, chl_map->ch[ch_no].count);
-                rdma_set_ctxt_sge(ctxt, &sge[ch_sge_ary[ch_no].start],
+                rdma_set_ctxt_sge(xprt, ctxt,
+                                  &rpl_map->sge[chl_map->ch[ch_no].start],
                                  &sgl_offset,
                                  read_wr.num_sge);
                if (((ch+1)->rc_discrim == 0) &&
-                    (read_wr.num_sge == ch_sge_ary[ch_no].count)) {
+                    (read_wr.num_sge == chl_map->ch[ch_no].count)) {
                        /*
                         * Mark the last RDMA_READ with a bit to
                         * indicate all RPC data has been fetched from
                         * the client and the RPC needs to be enqueued.
                         */
                        set_bit(RDMACTXT_F_LAST_CTXT, &ctxt->flags);
-                        ctxt->next = hdr_ctxt;
+                        ctxt->read_hdr = hdr_ctxt;
-                        hdr_ctxt->next = head;
                }
                /* Post the read */
                err = svc_rdma_send(xprt, &read_wr);
                if (err) {
-                        printk(KERN_ERR "svcrdma: Error posting send = %d\n",
+                        printk(KERN_ERR "svcrdma: Error %d posting RDMA_READ\n",
                               err);
-                        /*
+                        set_bit(XPT_CLOSE, &xprt->sc_xprt.xpt_flags);
-                         * Break the circular list so free knows when
+                        svc_rdma_put_context(ctxt, 0);
-                         * to stop if the error happened to occur on
-                         * the last read
-                         */
-                        ctxt->next = NULL;
                        goto out;
                }
                atomic_inc(&rdma_stat_read);
-                if (read_wr.num_sge < ch_sge_ary[ch_no].count) {
+                if (read_wr.num_sge < chl_map->ch[ch_no].count) {
-                        ch_sge_ary[ch_no].count -= read_wr.num_sge;
+                        chl_map->ch[ch_no].count -= read_wr.num_sge;
-                        ch_sge_ary[ch_no].start += read_wr.num_sge;
+                        chl_map->ch[ch_no].start += read_wr.num_sge;
                        goto next_sge;
                }
                sgl_offset = 0;
-                err = 0;
+                err = 1;
        }
 out:
-        svc_rdma_put_context(tmp_sge_ctxt, 0);
+        svc_rdma_put_req_map(rpl_map);
-        svc_rdma_put_context(tmp_ch_ctxt, 0);
+        svc_rdma_put_req_map(chl_map);
        /* Detach arg pages. svc_recv will replenish them */
        for (ch_no = 0; &rqstp->rq_pages[ch_no] < rqstp->rq_respages; ch_no++)
@@ -389,25 +376,12 @@ next_sge:
        while (rqstp->rq_resused)
                rqstp->rq_respages[--rqstp->rq_resused] = NULL;
-        if (err) {
+        return err;
-                printk(KERN_ERR "svcrdma : RDMA_READ error = %d\n", err);
-                set_bit(XPT_CLOSE, &xprt->sc_xprt.xpt_flags);
-                /* Free the linked list of read contexts */
-                while (head != NULL) {
-                        ctxt = head->next;
-                        svc_rdma_put_context(head, 1);
-                        head = ctxt;
-                }
-                return 0;
-        }
-        return 1;
 }
 static int rdma_read_complete(struct svc_rqst *rqstp,
-                              struct svc_rdma_op_ctxt *data)
+                              struct svc_rdma_op_ctxt *head)
 {
-        struct svc_rdma_op_ctxt *head = data->next;
        int page_no;
        int ret;
@@ -419,7 +393,7 @@ static int rdma_read_complete(struct svc_rqst *rqstp,
                rqstp->rq_pages[page_no] = head->pages[page_no];
        }
        /* Point rq_arg.pages past header */
-        rqstp->rq_arg.pages = &rqstp->rq_pages[head->sge[0].length];
+        rqstp->rq_arg.pages = &rqstp->rq_pages[head->hdr_count];
        rqstp->rq_arg.page_len = head->arg.page_len;
        rqstp->rq_arg.page_base = head->arg.page_base;
@@ -433,21 +407,12 @@ static int rdma_read_complete(struct svc_rqst *rqstp,
        rqstp->rq_arg.len = head->arg.len;
        rqstp->rq_arg.buflen = head->arg.buflen;
+        /* Free the context */
+        svc_rdma_put_context(head, 0);
        /* XXX: What should this be? */
        rqstp->rq_prot = IPPROTO_MAX;
+        svc_xprt_copy_addrs(rqstp, rqstp->rq_xprt);
-        /*
-         * Free the contexts we used to build the RDMA_READ. We have
-         * to be careful here because the context list uses the same
-         * next pointer used to chain the contexts associated with the
-         * RDMA_READ
-         */
-        data->next = NULL;      /* terminate circular list */
-        do {
-                data = head->next;
-                svc_rdma_put_context(head, 0);
-                head = data;
-        } while (head != NULL);
        ret = rqstp->rq_arg.head[0].iov_len
                + rqstp->rq_arg.page_len
@@ -457,8 +422,6 @@ static int rdma_read_complete(struct svc_rqst *rqstp,
                ret, rqstp->rq_arg.len, rqstp->rq_arg.head[0].iov_base,
                rqstp->rq_arg.head[0].iov_len);
-        /* Indicate that we've consumed an RQ credit */
-        rqstp->rq_xprt_ctxt = rqstp->rq_xprt;
        svc_xprt_received(rqstp->rq_xprt);
        return ret;
 }
@@ -480,13 +443,6 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
        dprintk("svcrdma: rqstp=%p\n", rqstp);
-        /*
-         * The rq_xprt_ctxt indicates if we've consumed an RQ credit
-         * or not. It is used in the rdma xpo_release_rqst function to
-         * determine whether or not to return an RQ WQE to the RQ.
-         */
-        rqstp->rq_xprt_ctxt = NULL;
        spin_lock_bh(&rdma_xprt->sc_read_complete_lock);
        if (!list_empty(&rdma_xprt->sc_read_complete_q)) {
                ctxt = list_entry(rdma_xprt->sc_read_complete_q.next,
@@ -537,21 +493,22 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
        /* If the request is invalid, reply with an error */
        if (len < 0) {
                if (len == -ENOSYS)
-                        (void)svc_rdma_send_error(rdma_xprt, rmsgp, ERR_VERS);
+                        svc_rdma_send_error(rdma_xprt, rmsgp, ERR_VERS);
                goto close_out;
        }
-        /* Read read-list data. If we would need to wait, defer
+        /* Read read-list data. */
-         * it. Not that in this case, we don't return the RQ credit
+        ret = rdma_read_xdr(rdma_xprt, rmsgp, rqstp, ctxt);
-         * until after the read completes.
+        if (ret > 0) {
-         */
+                /* read-list posted, defer until data received from client. */
-        if (rdma_read_xdr(rdma_xprt, rmsgp, rqstp, ctxt)) {
                svc_xprt_received(xprt);
                return 0;
        }
+        if (ret < 0) {
-        /* Indicate we've consumed an RQ credit */
+                /* Post of read-list failed, free context. */
-        rqstp->rq_xprt_ctxt = rqstp->rq_xprt;
+                svc_rdma_put_context(ctxt, 1);
+                return 0;
+        }
        ret = rqstp->rq_arg.head[0].iov_len
                + rqstp->rq_arg.page_len
@@ -569,11 +526,8 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
        return ret;
 close_out:
-        if (ctxt) {
+        if (ctxt)
                svc_rdma_put_context(ctxt, 1);
-                /* Indicate we've consumed an RQ credit */
-                rqstp->rq_xprt_ctxt = rqstp->rq_xprt;
-        }
        dprintk("svcrdma: transport %p is closing\n", xprt);
        /*
         * Set the close bit and enqueue it. svc_recv will see the
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 981f190c1b39..a19b22b452a3 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -63,52 +63,44 @@
 * SGE[2..sge_count-2] data from xdr->pages[]
 * SGE[sge_count-1]    data from xdr->tail.
 *
+ * The max SGE we need is the length of the XDR / pagesize + one for
+ * head + one for tail + one for RPCRDMA header. Since RPCSVC_MAXPAGES
+ * reserves a page for both the request and the reply header, and this
+ * array is only concerned with the reply we are assured that we have
+ * on extra page for the RPCRMDA header.
 */
-static struct ib_sge *xdr_to_sge(struct svcxprt_rdma *xprt,
+static void xdr_to_sge(struct svcxprt_rdma *xprt,
-                                 struct xdr_buf *xdr,
+                       struct xdr_buf *xdr,
-                                 struct ib_sge *sge,
+                       struct svc_rdma_req_map *vec)
-                                 int *sge_count)
 {
-        /* Max we need is the length of the XDR / pagesize + one for
-         * head + one for tail + one for RPCRDMA header
-         */
        int sge_max = (xdr->len+PAGE_SIZE-1) / PAGE_SIZE + 3;
        int sge_no;
-        u32 byte_count = xdr->len;
        u32 sge_bytes;
        u32 page_bytes;
-        int page_off;
+        u32 page_off;
        int page_no;
+        BUG_ON(xdr->len !=
+               (xdr->head[0].iov_len + xdr->page_len + xdr->tail[0].iov_len));
        /* Skip the first sge, this is for the RPCRDMA header */
        sge_no = 1;
        /* Head SGE */
-        sge[sge_no].addr = ib_dma_map_single(xprt->sc_cm_id->device,
+        vec->sge[sge_no].iov_base = xdr->head[0].iov_base;
-                                             xdr->head[0].iov_base,
+        vec->sge[sge_no].iov_len = xdr->head[0].iov_len;
-                                             xdr->head[0].iov_len,
-                                             DMA_TO_DEVICE);
-        sge_bytes = min_t(u32, byte_count, xdr->head[0].iov_len);
-        byte_count -= sge_bytes;
-        sge[sge_no].length = sge_bytes;
-        sge[sge_no].lkey = xprt->sc_phys_mr->lkey;
        sge_no++;
        /* pages SGE */
        page_no = 0;
        page_bytes = xdr->page_len;
        page_off = xdr->page_base;
-        while (byte_count && page_bytes) {
+        while (page_bytes) {
-                sge_bytes = min_t(u32, byte_count, (PAGE_SIZE-page_off));
+                vec->sge[sge_no].iov_base =
-                sge[sge_no].addr =
+                        page_address(xdr->pages[page_no]) + page_off;
-                        ib_dma_map_page(xprt->sc_cm_id->device,
+                sge_bytes = min_t(u32, page_bytes, (PAGE_SIZE - page_off));
-                                        xdr->pages[page_no], page_off,
-                                        sge_bytes, DMA_TO_DEVICE);
-                sge_bytes = min(sge_bytes, page_bytes);
-                byte_count -= sge_bytes;
                page_bytes -= sge_bytes;
-                sge[sge_no].length = sge_bytes;
+                vec->sge[sge_no].iov_len = sge_bytes;
-                sge[sge_no].lkey = xprt->sc_phys_mr->lkey;
                sge_no++;
                page_no++;
@@ -116,36 +108,24 @@ static struct ib_sge *xdr_to_sge(struct svcxprt_rdma *xprt,
        }
        /* Tail SGE */
-        if (byte_count && xdr->tail[0].iov_len) {
+        if (xdr->tail[0].iov_len) {
-                sge[sge_no].addr =
+                vec->sge[sge_no].iov_base = xdr->tail[0].iov_base;
-                        ib_dma_map_single(xprt->sc_cm_id->device,
+                vec->sge[sge_no].iov_len = xdr->tail[0].iov_len;
-                                          xdr->tail[0].iov_base,
-                                          xdr->tail[0].iov_len,
-                                          DMA_TO_DEVICE);
-                sge_bytes = min_t(u32, byte_count, xdr->tail[0].iov_len);
-                byte_count -= sge_bytes;
-                sge[sge_no].length = sge_bytes;
-                sge[sge_no].lkey = xprt->sc_phys_mr->lkey;
                sge_no++;
        }
        BUG_ON(sge_no > sge_max);
-        BUG_ON(byte_count != 0);
+        vec->count = sge_no;
-        *sge_count = sge_no;
-        return sge;
 }
 /* Assumptions:
 * - The specified write_len can be represented in sc_max_sge * PAGE_SIZE
 */
 static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp,
                      u32 rmr, u64 to,
                      u32 xdr_off, int write_len,
-                      struct ib_sge *xdr_sge, int sge_count)
+                      struct svc_rdma_req_map *vec)
 {
-        struct svc_rdma_op_ctxt *tmp_sge_ctxt;
        struct ib_send_wr write_wr;
        struct ib_sge *sge;
        int xdr_sge_no;
@@ -154,25 +134,23 @@ static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp,
        int sge_off;
        int bc;
        struct svc_rdma_op_ctxt *ctxt;
-        int ret = 0;
-        BUG_ON(sge_count > RPCSVC_MAXPAGES);
+        BUG_ON(vec->count > RPCSVC_MAXPAGES);
        dprintk("svcrdma: RDMA_WRITE rmr=%x, to=%llx, xdr_off=%d, "
-                "write_len=%d, xdr_sge=%p, sge_count=%d\n",
+                "write_len=%d, vec->sge=%p, vec->count=%lu\n",
                rmr, (unsigned long long)to, xdr_off,
-                write_len, xdr_sge, sge_count);
+                write_len, vec->sge, vec->count);
        ctxt = svc_rdma_get_context(xprt);
-        ctxt->count = 0;
+        ctxt->direction = DMA_TO_DEVICE;
-        tmp_sge_ctxt = svc_rdma_get_context(xprt);
+        sge = ctxt->sge;
-        sge = tmp_sge_ctxt->sge;
        /* Find the SGE associated with xdr_off */
-        for (bc = xdr_off, xdr_sge_no = 1; bc && xdr_sge_no < sge_count;
+        for (bc = xdr_off, xdr_sge_no = 1; bc && xdr_sge_no < vec->count;
             xdr_sge_no++) {
-                if (xdr_sge[xdr_sge_no].length > bc)
+                if (vec->sge[xdr_sge_no].iov_len > bc)
                        break;
-                bc -= xdr_sge[xdr_sge_no].length;
+                bc -= vec->sge[xdr_sge_no].iov_len;
        }
        sge_off = bc;
@@ -180,21 +158,28 @@ static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp,
        sge_no = 0;
        /* Copy the remaining SGE */
-        while (bc != 0 && xdr_sge_no < sge_count) {
+        while (bc != 0 && xdr_sge_no < vec->count) {
-                sge[sge_no].addr = xdr_sge[xdr_sge_no].addr + sge_off;
+                sge[sge_no].lkey = xprt->sc_phys_mr->lkey;
-                sge[sge_no].lkey = xdr_sge[xdr_sge_no].lkey;
                sge_bytes = min((size_t)bc,
-                                (size_t)(xdr_sge[xdr_sge_no].length-sge_off));
+                                (size_t)(vec->sge[xdr_sge_no].iov_len-sge_off));
                sge[sge_no].length = sge_bytes;
+                atomic_inc(&xprt->sc_dma_used);
+                sge[sge_no].addr =
+                        ib_dma_map_single(xprt->sc_cm_id->device,
+                                          (void *)
+                                          vec->sge[xdr_sge_no].iov_base + sge_off,
+                                          sge_bytes, DMA_TO_DEVICE);
+                if (dma_mapping_error(sge[sge_no].addr))
+                        goto err;
                sge_off = 0;
                sge_no++;
+                ctxt->count++;
                xdr_sge_no++;
                bc -= sge_bytes;
        }
        BUG_ON(bc != 0);
-        BUG_ON(xdr_sge_no > sge_count);
+        BUG_ON(xdr_sge_no > vec->count);
        /* Prepare WRITE WR */
        memset(&write_wr, 0, sizeof write_wr);
@@ -209,21 +194,20 @@ static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp,
        /* Post It */
        atomic_inc(&rdma_stat_write);
-        if (svc_rdma_send(xprt, &write_wr)) {
+        if (svc_rdma_send(xprt, &write_wr))
-                svc_rdma_put_context(ctxt, 1);
+                goto err;
-                /* Fatal error, close transport */
+        return 0;
-                ret = -EIO;
+ err:
-        }
+        svc_rdma_put_context(ctxt, 0);
-        svc_rdma_put_context(tmp_sge_ctxt, 0);
+        /* Fatal error, close transport */
-        return ret;
+        return -EIO;
 }
 static int send_write_chunks(struct svcxprt_rdma *xprt,
                             struct rpcrdma_msg *rdma_argp,
                             struct rpcrdma_msg *rdma_resp,
                             struct svc_rqst *rqstp,
-                             struct ib_sge *sge,
+                             struct svc_rdma_req_map *vec)
-                             int sge_count)
 {
        u32 xfer_len = rqstp->rq_res.page_len + rqstp->rq_res.tail[0].iov_len;
        int write_len;
@@ -269,8 +253,7 @@ static int send_write_chunks(struct svcxprt_rdma *xprt,
                                         rs_offset + chunk_off,
                                         xdr_off,
                                         this_write,
-                                         sge,
+                                         vec);
-                                         sge_count);
                        if (ret) {
                                dprintk("svcrdma: RDMA_WRITE failed, ret=%d\n",
                                        ret);
@@ -292,8 +275,7 @@ static int send_reply_chunks(struct svcxprt_rdma *xprt,
                             struct rpcrdma_msg *rdma_argp,
                             struct rpcrdma_msg *rdma_resp,
                             struct svc_rqst *rqstp,
-                             struct ib_sge *sge,
+                             struct svc_rdma_req_map *vec)
-                             int sge_count)
 {
        u32 xfer_len = rqstp->rq_res.len;
        int write_len;
@@ -341,8 +323,7 @@ static int send_reply_chunks(struct svcxprt_rdma *xprt,
                                         rs_offset + chunk_off,
                                         xdr_off,
                                         this_write,
-                                         sge,
+                                         vec);
-                                         sge_count);
                        if (ret) {
                                dprintk("svcrdma: RDMA_WRITE failed, ret=%d\n",
                                        ret);
@@ -380,7 +361,7 @@ static int send_reply(struct svcxprt_rdma *rdma,
                      struct page *page,
                      struct rpcrdma_msg *rdma_resp,
                      struct svc_rdma_op_ctxt *ctxt,
-                      int sge_count,
+                      struct svc_rdma_req_map *vec,
                      int byte_count)
 {
        struct ib_send_wr send_wr;
@@ -389,11 +370,23 @@ static int send_reply(struct svcxprt_rdma *rdma,
        int page_no;
        int ret;
+        /* Post a recv buffer to handle another request. */
+        ret = svc_rdma_post_recv(rdma);
+        if (ret) {
+                printk(KERN_INFO
+                       "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_context(ctxt, 0);
+                return -ENOTCONN;
+        }
        /* Prepare the context */
        ctxt->pages[0] = page;
        ctxt->count = 1;
        /* Prepare the SGE for the RPCRDMA Header */
+        atomic_inc(&rdma->sc_dma_used);
        ctxt->sge[0].addr =
                ib_dma_map_page(rdma->sc_cm_id->device,
                                page, 0, PAGE_SIZE, DMA_TO_DEVICE);
@@ -402,10 +395,16 @@ static int send_reply(struct svcxprt_rdma *rdma,
        ctxt->sge[0].lkey = rdma->sc_phys_mr->lkey;
        /* Determine how many of our SGE are to be transmitted */
-        for (sge_no = 1; byte_count && sge_no < sge_count; sge_no++) {
+        for (sge_no = 1; byte_count && sge_no < vec->count; sge_no++) {
-                sge_bytes = min((size_t)ctxt->sge[sge_no].length,
+                sge_bytes = min_t(size_t, vec->sge[sge_no].iov_len, byte_count);
-                                (size_t)byte_count);
                byte_count -= sge_bytes;
+                atomic_inc(&rdma->sc_dma_used);
+                ctxt->sge[sge_no].addr =
+                        ib_dma_map_single(rdma->sc_cm_id->device,
+                                          vec->sge[sge_no].iov_base,
+                                          sge_bytes, DMA_TO_DEVICE);
+                ctxt->sge[sge_no].length = sge_bytes;
+                ctxt->sge[sge_no].lkey = rdma->sc_phys_mr->lkey;
        }
        BUG_ON(byte_count != 0);
@@ -417,8 +416,10 @@ static int send_reply(struct svcxprt_rdma *rdma,
                ctxt->pages[page_no+1] = rqstp->rq_respages[page_no];
                ctxt->count++;
                rqstp->rq_respages[page_no] = NULL;
+                /* If there are more pages than SGE, terminate SGE list */
+                if (page_no+1 >= sge_no)
+                        ctxt->sge[page_no+1].length = 0;
        }
        BUG_ON(sge_no > rdma->sc_max_sge);
        memset(&send_wr, 0, sizeof send_wr);
        ctxt->wr_op = IB_WR_SEND;
@@ -462,20 +463,20 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
        enum rpcrdma_proc reply_type;
        int ret;
        int inline_bytes;
-        struct ib_sge *sge;
-        int sge_count = 0;
        struct page *res_page;
        struct svc_rdma_op_ctxt *ctxt;
+        struct svc_rdma_req_map *vec;
        dprintk("svcrdma: sending response for rqstp=%p\n", rqstp);
        /* Get the RDMA request header. */
        rdma_argp = xdr_start(&rqstp->rq_arg);
-        /* Build an SGE for the XDR */
+        /* Build an req vec for the XDR */
        ctxt = svc_rdma_get_context(rdma);
        ctxt->direction = DMA_TO_DEVICE;
-        sge = xdr_to_sge(rdma, &rqstp->rq_res, ctxt->sge, &sge_count);
+        vec = svc_rdma_get_req_map();
+        xdr_to_sge(rdma, &rqstp->rq_res, vec);
        inline_bytes = rqstp->rq_res.len;
@@ -492,7 +493,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
        /* Send any write-chunk data and build resp write-list */
        ret = send_write_chunks(rdma, rdma_argp, rdma_resp,
-                                rqstp, sge, sge_count);
+                                rqstp, vec);
        if (ret < 0) {
                printk(KERN_ERR "svcrdma: failed to send write chunks, rc=%d\n",
                       ret);
@@ -502,7 +503,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
        /* Send any reply-list data and update resp reply-list */
        ret = send_reply_chunks(rdma, rdma_argp, rdma_resp,
-                                rqstp, sge, sge_count);
+                                rqstp, vec);
        if (ret < 0) {
                printk(KERN_ERR "svcrdma: failed to send reply chunks, rc=%d\n",
                       ret);
@@ -510,11 +511,13 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
        }
        inline_bytes -= ret;
-        ret = send_reply(rdma, rqstp, res_page, rdma_resp, ctxt, sge_count,
+        ret = send_reply(rdma, rqstp, res_page, rdma_resp, ctxt, vec,
                         inline_bytes);
+        svc_rdma_put_req_map(vec);
        dprintk("svcrdma: send_reply returns %d\n", ret);
        return ret;
 error:
+        svc_rdma_put_req_map(vec);
        svc_rdma_put_context(ctxt, 0);
        put_page(res_page);
        return ret;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index af408fc12634..19ddc382b777 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -84,67 +84,37 @@ struct svc_xprt_class svc_rdma_class = {
        .xcl_max_payload = RPCSVC_MAXPAYLOAD_TCP,
 };
-static int rdma_bump_context_cache(struct svcxprt_rdma *xprt)
+/* WR context cache. Created in svc_rdma.c  */
+extern struct kmem_cache *svc_rdma_ctxt_cachep;
+struct svc_rdma_op_ctxt *svc_rdma_get_context(struct svcxprt_rdma *xprt)
 {
-        int target;
-        int at_least_one = 0;
        struct svc_rdma_op_ctxt *ctxt;
-        target = min(xprt->sc_ctxt_cnt + xprt->sc_ctxt_bump,
+        while (1) {
-                     xprt->sc_ctxt_max);
+                ctxt = kmem_cache_alloc(svc_rdma_ctxt_cachep, GFP_KERNEL);
+                if (ctxt)
-        spin_lock_bh(&xprt->sc_ctxt_lock);
-        while (xprt->sc_ctxt_cnt < target) {
-                xprt->sc_ctxt_cnt++;
-                spin_unlock_bh(&xprt->sc_ctxt_lock);
-                ctxt = kmalloc(sizeof(*ctxt), GFP_KERNEL);
-                spin_lock_bh(&xprt->sc_ctxt_lock);
-                if (ctxt) {
-                        at_least_one = 1;
-                        ctxt->next = xprt->sc_ctxt_head;
-                        xprt->sc_ctxt_head = ctxt;
-                } else {
-                        /* kmalloc failed...give up for now */
-                        xprt->sc_ctxt_cnt--;
                        break;
-                }
+                schedule_timeout_uninterruptible(msecs_to_jiffies(500));
        }
-        spin_unlock_bh(&xprt->sc_ctxt_lock);
+        ctxt->xprt = xprt;
-        dprintk("svcrdma: sc_ctxt_max=%d, sc_ctxt_cnt=%d\n",
+        INIT_LIST_HEAD(&ctxt->dto_q);
-                xprt->sc_ctxt_max, xprt->sc_ctxt_cnt);
+        ctxt->count = 0;
-        return at_least_one;
+        atomic_inc(&xprt->sc_ctxt_used);
+        return ctxt;
 }
-struct svc_rdma_op_ctxt *svc_rdma_get_context(struct svcxprt_rdma *xprt)
+static void svc_rdma_unmap_dma(struct svc_rdma_op_ctxt *ctxt)
 {
-        struct svc_rdma_op_ctxt *ctxt;
+        struct svcxprt_rdma *xprt = ctxt->xprt;
+        int i;
-        while (1) {
+        for (i = 0; i < ctxt->count && ctxt->sge[i].length; i++) {
-                spin_lock_bh(&xprt->sc_ctxt_lock);
+                atomic_dec(&xprt->sc_dma_used);
-                if (unlikely(xprt->sc_ctxt_head == NULL)) {
+                ib_dma_unmap_single(xprt->sc_cm_id->device,
-                        /* Try to bump my cache. */
+                                    ctxt->sge[i].addr,
-                        spin_unlock_bh(&xprt->sc_ctxt_lock);
+                                    ctxt->sge[i].length,
+                                    ctxt->direction);
-                        if (rdma_bump_context_cache(xprt))
-                                continue;
-                        printk(KERN_INFO "svcrdma: sleeping waiting for "
-                               "context memory on xprt=%p\n",
-                               xprt);
-                        schedule_timeout_uninterruptible(msecs_to_jiffies(500));
-                        continue;
-                }
-                ctxt = xprt->sc_ctxt_head;
-                xprt->sc_ctxt_head = ctxt->next;
-                spin_unlock_bh(&xprt->sc_ctxt_lock);
-                ctxt->xprt = xprt;
-                INIT_LIST_HEAD(&ctxt->dto_q);
-                ctxt->count = 0;
-                break;
        }
-        return ctxt;
 }
 void svc_rdma_put_context(struct svc_rdma_op_ctxt *ctxt, int free_pages)
@@ -158,15 +128,34 @@ void svc_rdma_put_context(struct svc_rdma_op_ctxt *ctxt, int free_pages)
                for (i = 0; i < ctxt->count; i++)
                        put_page(ctxt->pages[i]);
-        for (i = 0; i < ctxt->count; i++)
+        kmem_cache_free(svc_rdma_ctxt_cachep, ctxt);
-                dma_unmap_single(xprt->sc_cm_id->device->dma_device,
+        atomic_dec(&xprt->sc_ctxt_used);
-                                 ctxt->sge[i].addr,
+}
-                                 ctxt->sge[i].length,
-                                 ctxt->direction);
+/* Temporary NFS request map cache. Created in svc_rdma.c  */
-        spin_lock_bh(&xprt->sc_ctxt_lock);
+extern struct kmem_cache *svc_rdma_map_cachep;
-        ctxt->next = xprt->sc_ctxt_head;
-        xprt->sc_ctxt_head = ctxt;
+/*
-        spin_unlock_bh(&xprt->sc_ctxt_lock);
+ * Temporary NFS req mappings are shared across all transport
+ * instances. These are short lived and should be bounded by the number
+ * of concurrent server threads * depth of the SQ.
+ */
+struct svc_rdma_req_map *svc_rdma_get_req_map(void)
+{
+        struct svc_rdma_req_map *map;
+        while (1) {
+                map = kmem_cache_alloc(svc_rdma_map_cachep, GFP_KERNEL);
+                if (map)
+                        break;
+                schedule_timeout_uninterruptible(msecs_to_jiffies(500));
+        }
+        map->count = 0;
+        return map;
+}
+void svc_rdma_put_req_map(struct svc_rdma_req_map *map)
+{
+        kmem_cache_free(svc_rdma_map_cachep, map);
 }
 /* ib_cq event handler */
@@ -228,23 +217,8 @@ static void dto_tasklet_func(unsigned long data)
                list_del_init(&xprt->sc_dto_q);
                spin_unlock_irqrestore(&dto_lock, flags);
-                if (test_and_clear_bit(RDMAXPRT_RQ_PENDING, &xprt->sc_flags)) {
+                rq_cq_reap(xprt);
-                        ib_req_notify_cq(xprt->sc_rq_cq, IB_CQ_NEXT_COMP);
+                sq_cq_reap(xprt);
-                        rq_cq_reap(xprt);
-                        set_bit(XPT_DATA, &xprt->sc_xprt.xpt_flags);
-                        /*
-                         * If data arrived before established event,
-                         * don't enqueue. This defers RPC I/O until the
-                         * RDMA connection is complete.
-                         */
-                        if (!test_bit(RDMAXPRT_CONN_PENDING, &xprt->sc_flags))
-                                svc_xprt_enqueue(&xprt->sc_xprt);
-                }
-                if (test_and_clear_bit(RDMAXPRT_SQ_PENDING, &xprt->sc_flags)) {
-                        ib_req_notify_cq(xprt->sc_sq_cq, IB_CQ_NEXT_COMP);
-                        sq_cq_reap(xprt);
-                }
                svc_xprt_put(&xprt->sc_xprt);
                spin_lock_irqsave(&dto_lock, flags);
@@ -263,11 +237,15 @@ static void rq_comp_handler(struct ib_cq *cq, void *cq_context)
        struct svcxprt_rdma *xprt = cq_context;
        unsigned long flags;
+        /* Guard against unconditional flush call for destroyed QP */
+        if (atomic_read(&xprt->sc_xprt.xpt_ref.refcount)==0)
+                return;
        /*
         * Set the bit regardless of whether or not it's on the list
         * because it may be on the list already due to an SQ
         * completion.
-        */
+         */
        set_bit(RDMAXPRT_RQ_PENDING, &xprt->sc_flags);
        /*
@@ -290,6 +268,8 @@ static void rq_comp_handler(struct ib_cq *cq, void *cq_context)
 *
 * Take all completing WC off the CQE and enqueue the associated DTO
 * context on the dto_q for the transport.
+ *
+ * Note that caller must hold a transport reference.
 */
 static void rq_cq_reap(struct svcxprt_rdma *xprt)
 {
@@ -297,29 +277,48 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt)
        struct ib_wc wc;
        struct svc_rdma_op_ctxt *ctxt = NULL;
+        if (!test_and_clear_bit(RDMAXPRT_RQ_PENDING, &xprt->sc_flags))
+                return;
+        ib_req_notify_cq(xprt->sc_rq_cq, IB_CQ_NEXT_COMP);
        atomic_inc(&rdma_stat_rq_poll);
-        spin_lock_bh(&xprt->sc_rq_dto_lock);
        while ((ret = ib_poll_cq(xprt->sc_rq_cq, 1, &wc)) > 0) {
                ctxt = (struct svc_rdma_op_ctxt *)(unsigned long)wc.wr_id;
                ctxt->wc_status = wc.status;
                ctxt->byte_len = wc.byte_len;
+                svc_rdma_unmap_dma(ctxt);
                if (wc.status != IB_WC_SUCCESS) {
                        /* Close the transport */
+                        dprintk("svcrdma: transport closing putting ctxt %p\n", ctxt);
                        set_bit(XPT_CLOSE, &xprt->sc_xprt.xpt_flags);
                        svc_rdma_put_context(ctxt, 1);
+                        svc_xprt_put(&xprt->sc_xprt);
                        continue;
                }
+                spin_lock_bh(&xprt->sc_rq_dto_lock);
                list_add_tail(&ctxt->dto_q, &xprt->sc_rq_dto_q);
+                spin_unlock_bh(&xprt->sc_rq_dto_lock);
+                svc_xprt_put(&xprt->sc_xprt);
        }
-        spin_unlock_bh(&xprt->sc_rq_dto_lock);
        if (ctxt)
                atomic_inc(&rdma_stat_rq_prod);
+        set_bit(XPT_DATA, &xprt->sc_xprt.xpt_flags);
+        /*
+         * If data arrived before established event,
+         * don't enqueue. This defers RPC I/O until the
+         * RDMA connection is complete.
+         */
+        if (!test_bit(RDMAXPRT_CONN_PENDING, &xprt->sc_flags))
+                svc_xprt_enqueue(&xprt->sc_xprt);
 }
 /*
 * Send Queue Completion Handler - potentially called on interrupt context.
+ *
+ * Note that caller must hold a transport reference.
 */
 static void sq_cq_reap(struct svcxprt_rdma *xprt)
 {
@@ -328,11 +327,17 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
        struct ib_cq *cq = xprt->sc_sq_cq;
        int ret;
+        if (!test_and_clear_bit(RDMAXPRT_SQ_PENDING, &xprt->sc_flags))
+                return;
+        ib_req_notify_cq(xprt->sc_sq_cq, IB_CQ_NEXT_COMP);
        atomic_inc(&rdma_stat_sq_poll);
        while ((ret = ib_poll_cq(cq, 1, &wc)) > 0) {
                ctxt = (struct svc_rdma_op_ctxt *)(unsigned long)wc.wr_id;
                xprt = ctxt->xprt;
+                svc_rdma_unmap_dma(ctxt);
                if (wc.status != IB_WC_SUCCESS)
                        /* Close the transport */
                        set_bit(XPT_CLOSE, &xprt->sc_xprt.xpt_flags);
@@ -343,20 +348,25 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
                switch (ctxt->wr_op) {
                case IB_WR_SEND:
-                case IB_WR_RDMA_WRITE:
                        svc_rdma_put_context(ctxt, 1);
                        break;
+                case IB_WR_RDMA_WRITE:
+                        svc_rdma_put_context(ctxt, 0);
+                        break;
                case IB_WR_RDMA_READ:
                        if (test_bit(RDMACTXT_F_LAST_CTXT, &ctxt->flags)) {
+                                struct svc_rdma_op_ctxt *read_hdr = ctxt->read_hdr;
+                                BUG_ON(!read_hdr);
                                set_bit(XPT_DATA, &xprt->sc_xprt.xpt_flags);
-                                set_bit(RDMACTXT_F_READ_DONE, &ctxt->flags);
                                spin_lock_bh(&xprt->sc_read_complete_lock);
-                                list_add_tail(&ctxt->dto_q,
+                                list_add_tail(&read_hdr->dto_q,
                                              &xprt->sc_read_complete_q);
                                spin_unlock_bh(&xprt->sc_read_complete_lock);
                                svc_xprt_enqueue(&xprt->sc_xprt);
                        }
+                        svc_rdma_put_context(ctxt, 0);
                        break;
                default:
@@ -365,6 +375,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
                               wc.opcode, wc.status);
                        break;
                }
+                svc_xprt_put(&xprt->sc_xprt);
        }
        if (ctxt)
@@ -376,11 +387,15 @@ static void sq_comp_handler(struct ib_cq *cq, void *cq_context)
        struct svcxprt_rdma *xprt = cq_context;
        unsigned long flags;
+        /* Guard against unconditional flush call for destroyed QP */
+        if (atomic_read(&xprt->sc_xprt.xpt_ref.refcount)==0)
+                return;
        /*
         * Set the bit regardless of whether or not it's on the list
         * because it may be on the list already due to an RQ
         * completion.
-        */
+         */
        set_bit(RDMAXPRT_SQ_PENDING, &xprt->sc_flags);
        /*
@@ -398,39 +413,6 @@ static void sq_comp_handler(struct ib_cq *cq, void *cq_context)
        tasklet_schedule(&dto_tasklet);
 }
-static void create_context_cache(struct svcxprt_rdma *xprt,
-                                 int ctxt_count, int ctxt_bump, int ctxt_max)
-{
-        struct svc_rdma_op_ctxt *ctxt;
-        int i;
-        xprt->sc_ctxt_max = ctxt_max;
-        xprt->sc_ctxt_bump = ctxt_bump;
-        xprt->sc_ctxt_cnt = 0;
-        xprt->sc_ctxt_head = NULL;
-        for (i = 0; i < ctxt_count; i++) {
-                ctxt = kmalloc(sizeof(*ctxt), GFP_KERNEL);
-                if (ctxt) {
-                        ctxt->next = xprt->sc_ctxt_head;
-                        xprt->sc_ctxt_head = ctxt;
-                        xprt->sc_ctxt_cnt++;
-                }
-        }
-}
-static void destroy_context_cache(struct svc_rdma_op_ctxt *ctxt)
-{
-        struct svc_rdma_op_ctxt *next;
-        if (!ctxt)
-                return;
-        do {
-                next = ctxt->next;
-                kfree(ctxt);
-                ctxt = next;
-        } while (next);
-}
 static struct svcxprt_rdma *rdma_create_xprt(struct svc_serv *serv,
                                             int listener)
 {
@@ -447,7 +429,6 @@ static struct svcxprt_rdma *rdma_create_xprt(struct svc_serv *serv,
        spin_lock_init(&cma_xprt->sc_lock);
        spin_lock_init(&cma_xprt->sc_read_complete_lock);
-        spin_lock_init(&cma_xprt->sc_ctxt_lock);
        spin_lock_init(&cma_xprt->sc_rq_dto_lock);
        cma_xprt->sc_ord = svcrdma_ord;
@@ -456,21 +437,9 @@ static struct svcxprt_rdma *rdma_create_xprt(struct svc_serv *serv,
        cma_xprt->sc_max_requests = svcrdma_max_requests;
        cma_xprt->sc_sq_depth = svcrdma_max_requests * RPCRDMA_SQ_DEPTH_MULT;
        atomic_set(&cma_xprt->sc_sq_count, 0);
+        atomic_set(&cma_xprt->sc_ctxt_used, 0);
-        if (!listener) {
+        if (listener)
-                int reqs = cma_xprt->sc_max_requests;
-                create_context_cache(cma_xprt,
-                                     reqs << 1, /* starting size */
-                                     reqs,      /* bump amount */
-                                     reqs +
-                                     cma_xprt->sc_sq_depth +
-                                     RPCRDMA_MAX_THREADS + 1); /* max */
-                if (!cma_xprt->sc_ctxt_head) {
-                        kfree(cma_xprt);
-                        return NULL;
-                }
-                clear_bit(XPT_LISTENER, &cma_xprt->sc_xprt.xpt_flags);
-        } else
                set_bit(XPT_LISTENER, &cma_xprt->sc_xprt.xpt_flags);
        return cma_xprt;
@@ -506,6 +475,7 @@ 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;
+                atomic_inc(&xprt->sc_dma_used);
                pa = ib_dma_map_page(xprt->sc_cm_id->device,
                                     page, 0, PAGE_SIZE,
                                     DMA_FROM_DEVICE);
@@ -520,7 +490,12 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt)
        recv_wr.num_sge = ctxt->count;
        recv_wr.wr_id = (u64)(unsigned long)ctxt;
+        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_put_context(ctxt, 1);
+        }
        return ret;
 }
@@ -535,10 +510,11 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt)
 * will call the recvfrom method on the listen xprt which will accept the new
 * connection.
 */
-static void handle_connect_req(struct rdma_cm_id *new_cma_id)
+static void handle_connect_req(struct rdma_cm_id *new_cma_id, size_t client_ird)
 {
        struct svcxprt_rdma *listen_xprt = new_cma_id->context;
        struct svcxprt_rdma *newxprt;
+        struct sockaddr *sa;
        /* Create a new transport */
        newxprt = rdma_create_xprt(listen_xprt->sc_xprt.xpt_server, 0);
@@ -551,6 +527,15 @@ static void handle_connect_req(struct rdma_cm_id *new_cma_id)
        dprintk("svcrdma: Creating newxprt=%p, cm_id=%p, listenxprt=%p\n",
                newxprt, newxprt->sc_cm_id, listen_xprt);
+        /* Save client advertised inbound read limit for use later in accept. */
+        newxprt->sc_ord = client_ird;
+        /* Set the local and remote addresses in the transport */
+        sa = (struct sockaddr *)&newxprt->sc_cm_id->route.addr.dst_addr;
+        svc_xprt_set_remote(&newxprt->sc_xprt, sa, svc_addr_len(sa));
+        sa = (struct sockaddr *)&newxprt->sc_cm_id->route.addr.src_addr;
+        svc_xprt_set_local(&newxprt->sc_xprt, sa, svc_addr_len(sa));
        /*
         * Enqueue the new transport on the accept queue of the listening
         * transport
@@ -581,7 +566,8 @@ static int rdma_listen_handler(struct rdma_cm_id *cma_id,
        case RDMA_CM_EVENT_CONNECT_REQUEST:
                dprintk("svcrdma: Connect request on cma_id=%p, xprt = %p, "
                        "event=%d\n", cma_id, cma_id->context, event->event);
-                handle_connect_req(cma_id);
+                handle_connect_req(cma_id,
+                                   event->param.conn.responder_resources);
                break;
        case RDMA_CM_EVENT_ESTABLISHED:
@@ -627,6 +613,7 @@ static int rdma_cma_handler(struct rdma_cm_id *cma_id,
                if (xprt) {
                        set_bit(XPT_CLOSE, &xprt->xpt_flags);
                        svc_xprt_enqueue(xprt);
+                        svc_xprt_put(xprt);
                }
                break;
        case RDMA_CM_EVENT_DEVICE_REMOVAL:
@@ -661,31 +648,27 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
        cma_xprt = rdma_create_xprt(serv, 1);
        if (!cma_xprt)
-                return ERR_PTR(ENOMEM);
+                return ERR_PTR(-ENOMEM);
        xprt = &cma_xprt->sc_xprt;
        listen_id = rdma_create_id(rdma_listen_handler, cma_xprt, RDMA_PS_TCP);
        if (IS_ERR(listen_id)) {
-                svc_xprt_put(&cma_xprt->sc_xprt);
+                ret = PTR_ERR(listen_id);
-                dprintk("svcrdma: rdma_create_id failed = %ld\n",
+                dprintk("svcrdma: rdma_create_id failed = %d\n", ret);
-                        PTR_ERR(listen_id));
+                goto err0;
-                return (void *)listen_id;
        }
        ret = rdma_bind_addr(listen_id, sa);
        if (ret) {
-                rdma_destroy_id(listen_id);
-                svc_xprt_put(&cma_xprt->sc_xprt);
                dprintk("svcrdma: rdma_bind_addr failed = %d\n", ret);
-                return ERR_PTR(ret);
+                goto err1;
        }
        cma_xprt->sc_cm_id = listen_id;
        ret = rdma_listen(listen_id, RPCRDMA_LISTEN_BACKLOG);
        if (ret) {
-                rdma_destroy_id(listen_id);
-                svc_xprt_put(&cma_xprt->sc_xprt);
                dprintk("svcrdma: rdma_listen failed = %d\n", ret);
-                return ERR_PTR(ret);
+                goto err1;
        }
        /*
@@ -696,6 +679,12 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
        svc_xprt_set_local(&cma_xprt->sc_xprt, sa, salen);
        return &cma_xprt->sc_xprt;
+ err1:
+        rdma_destroy_id(listen_id);
+ err0:
+        kfree(cma_xprt);
+        return ERR_PTR(ret);
 }
 /*
@@ -716,7 +705,6 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
        struct rdma_conn_param conn_param;
        struct ib_qp_init_attr qp_attr;
        struct ib_device_attr devattr;
-        struct sockaddr *sa;
        int ret;
        int i;
@@ -753,8 +741,12 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
                                   (size_t)svcrdma_max_requests);
        newxprt->sc_sq_depth = RPCRDMA_SQ_DEPTH_MULT * newxprt->sc_max_requests;
-        newxprt->sc_ord =  min((size_t)devattr.max_qp_rd_atom,
+        /*
-                               (size_t)svcrdma_ord);
+         * Limit ORD based on client limit, local device limit, and
+         * configured svcrdma limit.
+         */
+        newxprt->sc_ord = min_t(size_t, devattr.max_qp_rd_atom, newxprt->sc_ord);
+        newxprt->sc_ord = min_t(size_t, svcrdma_ord, newxprt->sc_ord);
        newxprt->sc_pd = ib_alloc_pd(newxprt->sc_cm_id->device);
        if (IS_ERR(newxprt->sc_pd)) {
@@ -826,7 +818,6 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
                newxprt->sc_sq_depth = qp_attr.cap.max_send_wr;
                newxprt->sc_max_requests = qp_attr.cap.max_recv_wr;
        }
-        svc_xprt_get(&newxprt->sc_xprt);
        newxprt->sc_qp = newxprt->sc_cm_id->qp;
        /* Register all of physical memory */
@@ -850,6 +841,13 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
        /* Swap out the handler */
        newxprt->sc_cm_id->event_handler = rdma_cma_handler;
+        /*
+         * Arm the CQs for the SQ and RQ before accepting so we can't
+         * miss the first message
+         */
+        ib_req_notify_cq(newxprt->sc_sq_cq, IB_CQ_NEXT_COMP);
+        ib_req_notify_cq(newxprt->sc_rq_cq, IB_CQ_NEXT_COMP);
        /* Accept Connection */
        set_bit(RDMAXPRT_CONN_PENDING, &newxprt->sc_flags);
        memset(&conn_param, 0, sizeof conn_param);
@@ -886,58 +884,26 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
                newxprt->sc_max_requests,
                newxprt->sc_ord);
-        /* Set the local and remote addresses in the transport */
-        sa = (struct sockaddr *)&newxprt->sc_cm_id->route.addr.dst_addr;
-        svc_xprt_set_remote(&newxprt->sc_xprt, sa, svc_addr_len(sa));
-        sa = (struct sockaddr *)&newxprt->sc_cm_id->route.addr.src_addr;
-        svc_xprt_set_local(&newxprt->sc_xprt, sa, svc_addr_len(sa));
-        ib_req_notify_cq(newxprt->sc_sq_cq, IB_CQ_NEXT_COMP);
-        ib_req_notify_cq(newxprt->sc_rq_cq, IB_CQ_NEXT_COMP);
        return &newxprt->sc_xprt;
 errout:
        dprintk("svcrdma: failure accepting new connection rc=%d.\n", ret);
        /* Take a reference in case the DTO handler runs */
        svc_xprt_get(&newxprt->sc_xprt);
-        if (newxprt->sc_qp && !IS_ERR(newxprt->sc_qp)) {
+        if (newxprt->sc_qp && !IS_ERR(newxprt->sc_qp))
                ib_destroy_qp(newxprt->sc_qp);
-                svc_xprt_put(&newxprt->sc_xprt);
-        }
        rdma_destroy_id(newxprt->sc_cm_id);
        /* This call to put will destroy the transport */
        svc_xprt_put(&newxprt->sc_xprt);
        return NULL;
 }
-/*
- * Post an RQ WQE to the RQ when the rqst is being released. This
- * effectively returns an RQ credit to the client. The rq_xprt_ctxt
- * will be null if the request is deferred due to an RDMA_READ or the
- * transport had no data ready (EAGAIN). Note that an RPC deferred in
- * svc_process will still return the credit, this is because the data
- * is copied and no longer consume a WQE/WC.
- */
 static void svc_rdma_release_rqst(struct svc_rqst *rqstp)
 {
-        int err;
-        struct svcxprt_rdma *rdma =
-                container_of(rqstp->rq_xprt, struct svcxprt_rdma, sc_xprt);
-        if (rqstp->rq_xprt_ctxt) {
-                BUG_ON(rqstp->rq_xprt_ctxt != rdma);
-                err = svc_rdma_post_recv(rdma);
-                if (err)
-                        dprintk("svcrdma: failed to post an RQ WQE error=%d\n",
-                                err);
-        }
-        rqstp->rq_xprt_ctxt = NULL;
 }
 /*
- * When connected, an svc_xprt has at least three references:
+ * When connected, an svc_xprt has at least two references:
- *
- * - A reference held by the QP. We still hold that here because this
- *   code deletes the QP and puts the reference.
 *
 * - A reference held by the cm_id between the ESTABLISHED and
 *   DISCONNECTED events. If the remote peer disconnected first, this
@@ -946,7 +912,7 @@ static void svc_rdma_release_rqst(struct svc_rqst *rqstp)
 * - A reference held by the svc_recv code that called this function
 *   as part of close processing.
 *
- * At a minimum two references should still be held.
+ * At a minimum one references should still be held.
 */
 static void svc_rdma_detach(struct svc_xprt *xprt)
 {
@@ -956,23 +922,50 @@ static void svc_rdma_detach(struct svc_xprt *xprt)
        /* Disconnect and flush posted WQE */
        rdma_disconnect(rdma->sc_cm_id);
-        /* Destroy the QP if present (not a listener) */
-        if (rdma->sc_qp && !IS_ERR(rdma->sc_qp)) {
-                ib_destroy_qp(rdma->sc_qp);
-                svc_xprt_put(xprt);
-        }
-        /* Destroy the CM ID */
-        rdma_destroy_id(rdma->sc_cm_id);
 }
-static void svc_rdma_free(struct svc_xprt *xprt)
+static void __svc_rdma_free(struct work_struct *work)
 {
-        struct svcxprt_rdma *rdma = (struct svcxprt_rdma *)xprt;
+        struct svcxprt_rdma *rdma =
+                container_of(work, struct svcxprt_rdma, sc_work);
        dprintk("svcrdma: svc_rdma_free(%p)\n", rdma);
        /* We should only be called from kref_put */
-        BUG_ON(atomic_read(&xprt->xpt_ref.refcount) != 0);
+        BUG_ON(atomic_read(&rdma->sc_xprt.xpt_ref.refcount) != 0);
+        /*
+         * Destroy queued, but not processed read completions. Note
+         * that this cleanup has to be done before destroying the
+         * cm_id because the device ptr is needed to unmap the dma in
+         * svc_rdma_put_context.
+         */
+        while (!list_empty(&rdma->sc_read_complete_q)) {
+                struct svc_rdma_op_ctxt *ctxt;
+                ctxt = list_entry(rdma->sc_read_complete_q.next,
+                                  struct svc_rdma_op_ctxt,
+                                  dto_q);
+                list_del_init(&ctxt->dto_q);
+                svc_rdma_put_context(ctxt, 1);
+        }
+        /* Destroy queued, but not processed recv completions */
+        while (!list_empty(&rdma->sc_rq_dto_q)) {
+                struct svc_rdma_op_ctxt *ctxt;
+                ctxt = list_entry(rdma->sc_rq_dto_q.next,
+                                  struct svc_rdma_op_ctxt,
+                                  dto_q);
+                list_del_init(&ctxt->dto_q);
+                svc_rdma_put_context(ctxt, 1);
+        }
+        /* Warn if we leaked a resource or under-referenced */
+        WARN_ON(atomic_read(&rdma->sc_ctxt_used) != 0);
+        WARN_ON(atomic_read(&rdma->sc_dma_used) != 0);
+        /* Destroy the QP if present (not a listener) */
+        if (rdma->sc_qp && !IS_ERR(rdma->sc_qp))
+                ib_destroy_qp(rdma->sc_qp);
        if (rdma->sc_sq_cq && !IS_ERR(rdma->sc_sq_cq))
                ib_destroy_cq(rdma->sc_sq_cq);
@@ -985,10 +978,20 @@ static void svc_rdma_free(struct svc_xprt *xprt)
        if (rdma->sc_pd && !IS_ERR(rdma->sc_pd))
                ib_dealloc_pd(rdma->sc_pd);
-        destroy_context_cache(rdma->sc_ctxt_head);
+        /* Destroy the CM ID */
+        rdma_destroy_id(rdma->sc_cm_id);
        kfree(rdma);
 }
+static void svc_rdma_free(struct svc_xprt *xprt)
+{
+        struct svcxprt_rdma *rdma =
+                container_of(xprt, struct svcxprt_rdma, sc_xprt);
+        INIT_WORK(&rdma->sc_work, __svc_rdma_free);
+        schedule_work(&rdma->sc_work);
+}
 static int svc_rdma_has_wspace(struct svc_xprt *xprt)
 {
        struct svcxprt_rdma *rdma =
@@ -1018,7 +1021,7 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr)
        int ret;
        if (test_bit(XPT_CLOSE, &xprt->sc_xprt.xpt_flags))
-                return 0;
+                return -ENOTCONN;
        BUG_ON(wr->send_flags != IB_SEND_SIGNALED);
        BUG_ON(((struct svc_rdma_op_ctxt *)(unsigned long)wr->wr_id)->wr_op !=
@@ -1029,7 +1032,8 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr)
                if (xprt->sc_sq_depth == atomic_read(&xprt->sc_sq_count)) {
                        spin_unlock_bh(&xprt->sc_lock);
                        atomic_inc(&rdma_stat_sq_starve);
-                        /* See if we can reap some SQ WR */
+                        /* See if we can opportunistically reap SQ WR to make room */
                        sq_cq_reap(xprt);
                        /* Wait until SQ WR available if SQ still full */
@@ -1041,22 +1045,25 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr)
                        continue;
                }
                /* Bumped used SQ WR count and post */
+                svc_xprt_get(&xprt->sc_xprt);
                ret = ib_post_send(xprt->sc_qp, wr, &bad_wr);
                if (!ret)
                        atomic_inc(&xprt->sc_sq_count);
-                else
+                else {
+                        svc_xprt_put(&xprt->sc_xprt);
                        dprintk("svcrdma: failed to post SQ WR rc=%d, "
                               "sc_sq_count=%d, sc_sq_depth=%d\n",
                               ret, atomic_read(&xprt->sc_sq_count),
                               xprt->sc_sq_depth);
+                }
                spin_unlock_bh(&xprt->sc_lock);
                break;
        }
        return ret;
 }
-int svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp,
+void svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp,
-                        enum rpcrdma_errcode err)
+                         enum rpcrdma_errcode err)
 {
        struct ib_send_wr err_wr;
        struct ib_sge sge;
@@ -1073,6 +1080,7 @@ int 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 */
+        atomic_inc(&xprt->sc_dma_used);
        sge.addr = ib_dma_map_page(xprt->sc_cm_id->device,
                                   p, 0, PAGE_SIZE, DMA_FROM_DEVICE);
        sge.lkey = xprt->sc_phys_mr->lkey;
@@ -1094,9 +1102,8 @@ int svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp,
        /* Post It */
        ret = svc_rdma_send(xprt, &err_wr);
        if (ret) {
-                dprintk("svcrdma: Error posting send = %d\n", ret);
+                dprintk("svcrdma: Error %d posting send for protocol error\n",
+                        ret);
                svc_rdma_put_context(ctxt, 1);
        }
-        return ret;
 }
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index e18cd3628db4..657835f227d3 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -169,6 +169,11 @@ static inline int unix_may_send(struct sock *sk, struct sock *osk)
        return (unix_peer(osk) == NULL || unix_our_peer(sk, osk));
 }
+static inline int unix_recvq_full(struct sock const *sk)
+{
+        return skb_queue_len(&sk->sk_receive_queue) > sk->sk_max_ack_backlog;
+}
 static struct sock *unix_peer_get(struct sock *s)
 {
        struct sock *peer;
@@ -482,6 +487,8 @@ static int unix_socketpair(struct socket *, struct socket *);
 static int unix_accept(struct socket *, struct socket *, int);
 static int unix_getname(struct socket *, struct sockaddr *, int *, int);
 static unsigned int unix_poll(struct file *, struct socket *, poll_table *);
+static unsigned int unix_datagram_poll(struct file *, struct socket *,
+                                       poll_table *);
 static int unix_ioctl(struct socket *, unsigned int, unsigned long);
 static int unix_shutdown(struct socket *, int);
 static int unix_stream_sendmsg(struct kiocb *, struct socket *,
@@ -527,7 +534,7 @@ static const struct proto_ops unix_dgram_ops = {
        .socketpair =   unix_socketpair,
        .accept =       sock_no_accept,
        .getname =      unix_getname,
-        .poll =         datagram_poll,
+        .poll =         unix_datagram_poll,
        .ioctl =        unix_ioctl,
        .listen =       sock_no_listen,
        .shutdown =     unix_shutdown,
@@ -548,7 +555,7 @@ static const struct proto_ops unix_seqpacket_ops = {
        .socketpair =   unix_socketpair,
        .accept =       unix_accept,
        .getname =      unix_getname,
-        .poll =         datagram_poll,
+        .poll =         unix_datagram_poll,
        .ioctl =        unix_ioctl,
        .listen =       unix_listen,
        .shutdown =     unix_shutdown,
@@ -983,8 +990,7 @@ static long unix_wait_for_peer(struct sock *other, long timeo)
        sched = !sock_flag(other, SOCK_DEAD) &&
                !(other->sk_shutdown & RCV_SHUTDOWN) &&
-                (skb_queue_len(&other->sk_receive_queue) >
+                unix_recvq_full(other);
-                 other->sk_max_ack_backlog);
        unix_state_unlock(other);
@@ -1058,8 +1064,7 @@ restart:
        if (other->sk_state != TCP_LISTEN)
                goto out_unlock;
-        if (skb_queue_len(&other->sk_receive_queue) >
+        if (unix_recvq_full(other)) {
-            other->sk_max_ack_backlog) {
                err = -EAGAIN;
                if (!timeo)
                        goto out_unlock;
@@ -1428,9 +1433,7 @@ restart:
                        goto out_unlock;
        }
-        if (unix_peer(other) != sk &&
+        if (unix_peer(other) != sk && unix_recvq_full(other)) {
-            (skb_queue_len(&other->sk_receive_queue) >
-             other->sk_max_ack_backlog)) {
                if (!timeo) {
                        err = -EAGAIN;
                        goto out_unlock;
@@ -1991,6 +1994,64 @@ static unsigned int unix_poll(struct file * file, struct socket *sock, poll_tabl
        return mask;
 }
+static unsigned int unix_datagram_poll(struct file *file, struct socket *sock,
+                                       poll_table *wait)
+{
+        struct sock *sk = sock->sk, *peer;
+        unsigned int mask;
+        poll_wait(file, sk->sk_sleep, wait);
+        peer = unix_peer_get(sk);
+        if (peer) {
+                if (peer != sk) {
+                        /*
+                         * Writability of a connected socket additionally
+                         * depends on the state of the receive queue of the
+                         * peer.
+                         */
+                        poll_wait(file, &unix_sk(peer)->peer_wait, wait);
+                } else {
+                        sock_put(peer);
+                        peer = NULL;
+                }
+        }
+        mask = 0;
+        /* exceptional events? */
+        if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
+                mask |= POLLERR;
+        if (sk->sk_shutdown & RCV_SHUTDOWN)
+                mask |= POLLRDHUP;
+        if (sk->sk_shutdown == SHUTDOWN_MASK)
+                mask |= POLLHUP;
+        /* readable? */
+        if (!skb_queue_empty(&sk->sk_receive_queue) ||
+            (sk->sk_shutdown & RCV_SHUTDOWN))
+                mask |= POLLIN | POLLRDNORM;
+        /* Connection-based need to check for termination and startup */
+        if (sk->sk_type == SOCK_SEQPACKET) {
+                if (sk->sk_state == TCP_CLOSE)
+                        mask |= POLLHUP;
+                /* connection hasn't started yet? */
+                if (sk->sk_state == TCP_SYN_SENT)
+                        return mask;
+        }
+        /* writable? */
+        if (unix_writable(sk) && !(peer && unix_recvq_full(peer)))
+                mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
+        else
+                set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags);
+        if (peer)
+                sock_put(peer);
+        return mask;
+}
 #ifdef CONFIG_PROC_FS
 static struct sock *first_unix_socket(int *i)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 2bdd4dddc0e1..fb75f265b39c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -187,7 +187,8 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
        return genlmsg_end(msg, hdr);
 nla_put_failure:
-        return genlmsg_cancel(msg, hdr);
+        genlmsg_cancel(msg, hdr);
+        return -EMSGSIZE;
 }
 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
@@ -273,7 +274,8 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
        return genlmsg_end(msg, hdr);
 nla_put_failure:
-        return genlmsg_cancel(msg, hdr);
+        genlmsg_cancel(msg, hdr);
+        return -EMSGSIZE;
 }
 static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb)
@@ -928,7 +930,8 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
        return genlmsg_end(msg, hdr);
 nla_put_failure:
-        return genlmsg_cancel(msg, hdr);
+        genlmsg_cancel(msg, hdr);
+        return -EMSGSIZE;
 }
 static int nl80211_dump_station(struct sk_buff *skb,
@@ -1267,7 +1270,8 @@ static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
        return genlmsg_end(msg, hdr);
 nla_put_failure:
-        return genlmsg_cancel(msg, hdr);
+        genlmsg_cancel(msg, hdr);
+        return -EMSGSIZE;
 }
 static int nl80211_dump_mpath(struct sk_buff *skb,
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index ac765dd9c7f5..23a2cc04b8cd 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -200,8 +200,8 @@ static struct xfrm_algo_desc aalg_list[] = {
        }
 },
 {
-        .name = "hmac(ripemd160)",
+        .name = "hmac(rmd160)",
-        .compat = "ripemd160",
+        .compat = "rmd160",
        .uinfo = {
                .auth = {
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index a1b0fbe3ea35..b976d9ed10e4 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -50,19 +50,8 @@ static int verify_one_alg(struct nlattr **attrs, enum xfrm_attr_type_t type)
        switch (type) {
        case XFRMA_ALG_AUTH:
-                if (!algp->alg_key_len &&
-                    strcmp(algp->alg_name, "digest_null") != 0)
-                        return -EINVAL;
-                break;
        case XFRMA_ALG_CRYPT:
-                if (!algp->alg_key_len &&
-                    strcmp(algp->alg_name, "cipher_null") != 0)
-                        return -EINVAL;
-                break;
        case XFRMA_ALG_COMP:
-                /* Zero length keys are legal.  */
                break;
        default:
author	J. Bruce Fields <bfields@citi.umich.edu>	2008-07-03 16:24:06 -0400
committer	J. Bruce Fields <bfields@citi.umich.edu>	2008-07-03 16:24:06 -0400
commit	e86322f611eef95aafaf726fd3965e5b211f1985 (patch)
tree	28547e26df4fc6ae671dc8cc6912a53717e4db08 /net
parent	b001a1b6aa960949a24c2cdc28257dfcc9428d74 (diff)
parent	8948896c9e098c6fd31a6a698a598a7cbd7fa40e (diff)