Merge branch 'merge'

56 files changed, 573 insertions, 443 deletions

diff --git a/net/atm/proc.c b/net/atm/proc.c
index 3f95b0886a6a..91fe5f53ff11 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -507,7 +507,7 @@ err_out:
         goto out;
 }
 
-void __exit atm_proc_exit(void)
+void atm_proc_exit(void)
 {
         atm_proc_dirs_remove();
 }
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 6ccd32b30809..864fbbc7b24d 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -40,11 +40,15 @@ int br_dev_queue_push_xmit(struct sk_buff *skb)
         else {
 #ifdef CONFIG_BRIDGE_NETFILTER
                 /* ip_refrag calls ip_fragment, doesn't copy the MAC header. */
-                nf_bridge_maybe_copy_header(skb);
+                if (nf_bridge_maybe_copy_header(skb))
+                        kfree_skb(skb);
+                else
 #endif
-                skb_push(skb, ETH_HLEN);
+                {
+                        skb_push(skb, ETH_HLEN);
 
-                dev_queue_xmit(skb);
+                        dev_queue_xmit(skb);
+                }
         }
 
         return 0;
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index f55ef682ef84..b1211d5342f6 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -386,12 +386,17 @@ void br_features_recompute(struct net_bridge *br)
                         checksum = 0;
 
                 if (feature & NETIF_F_GSO)
-                        feature |= NETIF_F_TSO;
+                        feature |= NETIF_F_GSO_SOFTWARE;
                 feature |= NETIF_F_GSO;
 
                 features &= feature;
         }
 
+        if (!(checksum & NETIF_F_ALL_CSUM))
+                features &= ~NETIF_F_SG;
+        if (!(features & NETIF_F_SG))
+                features &= ~NETIF_F_GSO_MASK;
+
         br->dev->features = features | checksum | NETIF_F_LLTX |
                             NETIF_F_GSO_ROBUST;
 }
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 02693a230dc1..9f950db3b76f 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -74,6 +74,9 @@ static void ulog_send(unsigned int nlgroup)
         if (timer_pending(&ub->timer))
                 del_timer(&ub->timer);
 
+        if (!ub->skb)
+                return;
+
         /* last nlmsg needs NLMSG_DONE */
         if (ub->qlen > 1)
                 ub->lastnlh->nlmsg_type = NLMSG_DONE;
diff --git a/net/core/dev.c b/net/core/dev.c
index d95e2626d944..d4a1ec3bded5 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -116,6 +116,7 @@
 #include <linux/audit.h>
 #include <linux/dmaengine.h>
 #include <linux/err.h>
+#include <linux/ctype.h>
 
 /*
  *      The list of packet types we will receive (as opposed to discard)
@@ -632,14 +633,22 @@ struct net_device * dev_get_by_flags(unsigned short if_flags, unsigned short mas
  *      @name: name string
  *
  *      Network device names need to be valid file names to
- *      to allow sysfs to work
+ *      to allow sysfs to work.  We also disallow any kind of
+ *      whitespace.
  */
 int dev_valid_name(const char *name)
 {
-        return !(*name == '\0' 
-                 || !strcmp(name, ".")
-                 || !strcmp(name, "..")
-                 || strchr(name, '/'));
+        if (*name == '\0')
+                return 0;
+        if (!strcmp(name, ".") || !strcmp(name, ".."))
+                return 0;
+
+        while (*name) {
+                if (*name == '/' || isspace(*name))
+                        return 0;
+                name++;
+        }
+        return 1;
 }
 
 /**
@@ -1619,26 +1628,10 @@ static inline struct net_device *skb_bond(struct sk_buff *skb)
         struct net_device *dev = skb->dev;
 
         if (dev->master) {
-                /*
-                 * On bonding slaves other than the currently active
-                 * slave, suppress duplicates except for 802.3ad
-                 * ETH_P_SLOW and alb non-mcast/bcast.
-                 */
-                if (dev->priv_flags & IFF_SLAVE_INACTIVE) {
-                        if (dev->master->priv_flags & IFF_MASTER_ALB) {
-                                if (skb->pkt_type != PACKET_BROADCAST &&
-                                    skb->pkt_type != PACKET_MULTICAST)
-                                        goto keep;
-                        }
-
-                        if (dev->master->priv_flags & IFF_MASTER_8023AD &&
-                            skb->protocol == __constant_htons(ETH_P_SLOW))
-                                goto keep;
-                
+                if (skb_bond_should_drop(skb)) {
                         kfree_skb(skb);
                         return NULL;
                 }
-keep:
                 skb->dev = dev->master;
         }
 
diff --git a/net/core/dst.c b/net/core/dst.c
index 470c05bc4cb2..1a5e49da0e77 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -95,12 +95,11 @@ static void dst_run_gc(unsigned long dummy)
                 dst_gc_timer_inc = DST_GC_INC;
                 dst_gc_timer_expires = DST_GC_MIN;
         }
-        dst_gc_timer.expires = jiffies + dst_gc_timer_expires;
 #if RT_CACHE_DEBUG >= 2
         printk("dst_total: %d/%d %ld\n",
                atomic_read(&dst_total), delayed,  dst_gc_timer_expires);
 #endif
-        add_timer(&dst_gc_timer);
+        mod_timer(&dst_gc_timer, jiffies + dst_gc_timer_expires);
 
 out:
         spin_unlock(&dst_lock);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 67ed14ddabd2..6a7320b39ed0 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2149,6 +2149,8 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
         skb->mac.raw = ((u8 *) iph) - 14 - pkt_dev->nr_labels*sizeof(u32);
         skb->dev = odev;
         skb->pkt_type = PACKET_HOST;
+        skb->nh.iph = iph;
+        skb->h.uh = udph;
 
         if (pkt_dev->nfrags <= 0)
                 pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
@@ -2460,6 +2462,8 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
         skb->protocol = protocol;
         skb->dev = odev;
         skb->pkt_type = PACKET_HOST;
+        skb->nh.ipv6h = iph;
+        skb->h.uh = udph;
 
         if (pkt_dev->nfrags <= 0)
                 pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 20e5bb73f147..30cc1ba6ed5c 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -394,6 +394,9 @@ static int do_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
         }
 
         if (ida[IFLA_ADDRESS - 1]) {
+                struct sockaddr *sa;
+                int len;
+
                 if (!dev->set_mac_address) {
                         err = -EOPNOTSUPP;
                         goto out;
@@ -405,7 +408,17 @@ static int do_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
                 if (ida[IFLA_ADDRESS - 1]->rta_len != RTA_LENGTH(dev->addr_len))
                         goto out;
 
-                err = dev->set_mac_address(dev, RTA_DATA(ida[IFLA_ADDRESS - 1]));
+                len = sizeof(sa_family_t) + dev->addr_len;
+                sa = kmalloc(len, GFP_KERNEL);
+                if (!sa) {
+                        err = -ENOMEM;
+                        goto out;
+                }
+                sa->sa_family = dev->type;
+                memcpy(sa->sa_data, RTA_DATA(ida[IFLA_ADDRESS - 1]),
+                       dev->addr_len);
+                err = dev->set_mac_address(dev, sa);
+                kfree(sa);
                 if (err)
                         goto out;
                 send_addr_notify = 1;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 022d8894c11d..c54f3664bce5 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -268,8 +268,10 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
         struct sk_buff *skb;
 
         skb = alloc_skb(length + NET_SKB_PAD, gfp_mask);
-        if (likely(skb))
+        if (likely(skb)) {
                 skb_reserve(skb, NET_SKB_PAD);
+                skb->dev = dev;
+        }
         return skb;
 }
 
diff --git a/net/core/utils.c b/net/core/utils.c
index 4f96f389243d..e31c90e05594 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -130,12 +130,13 @@ void __init net_random_init(void)
 static int net_random_reseed(void)
 {
         int i;
-        unsigned long seed[NR_CPUS];
+        unsigned long seed;
 
-        get_random_bytes(seed, sizeof(seed));
         for_each_possible_cpu(i) {
                 struct nrnd_state *state = &per_cpu(net_rand_state,i);
-                __net_srandom(state, seed[i]);
+
+                get_random_bytes(&seed, sizeof(seed));
+                __net_srandom(state, seed);
         }
         return 0;
 }
diff --git a/net/core/wireless.c b/net/core/wireless.c
index d2bc72d318f7..de0bde4b51dd 100644
--- a/net/core/wireless.c
+++ b/net/core/wireless.c
@@ -82,6 +82,7 @@
 #include <linux/init.h>                 /* for __init */
 #include <linux/if_arp.h>               /* ARPHRD_ETHER */
 #include <linux/etherdevice.h>          /* compare_ether_addr */
+#include <linux/interrupt.h>
 
 #include <linux/wireless.h>             /* Pretty obvious */
 #include <net/iw_handler.h>             /* New driver API */
@@ -1842,6 +1843,18 @@ int wireless_rtnetlink_set(struct net_device *	dev,
  */
 
 #ifdef WE_EVENT_RTNETLINK
+static struct sk_buff_head wireless_nlevent_queue;
+
+static void wireless_nlevent_process(unsigned long data)
+{
+        struct sk_buff *skb;
+
+        while ((skb = skb_dequeue(&wireless_nlevent_queue)))
+                netlink_broadcast(rtnl, skb, 0, RTNLGRP_LINK, GFP_ATOMIC);
+}
+
+static DECLARE_TASKLET(wireless_nlevent_tasklet, wireless_nlevent_process, 0);
+
 /* ---------------------------------------------------------------- */
 /*
  * Fill a rtnetlink message with our event data.
@@ -1904,8 +1917,17 @@ static inline void rtmsg_iwinfo(struct net_device *	dev,
                 return;
         }
         NETLINK_CB(skb).dst_group = RTNLGRP_LINK;
-        netlink_broadcast(rtnl, skb, 0, RTNLGRP_LINK, GFP_ATOMIC);
+        skb_queue_tail(&wireless_nlevent_queue, skb);
+        tasklet_schedule(&wireless_nlevent_tasklet);
+}
+
+static int __init wireless_nlevent_init(void)
+{
+        skb_queue_head_init(&wireless_nlevent_queue);
+        return 0;
 }
+
+subsys_initcall(wireless_nlevent_init);
 #endif  /* WE_EVENT_RTNETLINK */
 
 /* ---------------------------------------------------------------- */
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index c39bff706cfc..090bc39e8199 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -2,7 +2,7 @@
  *  net/dccp/ccids/ccid3.c
  *
  *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
- *  Copyright (c) 2005-6 Ian McDonald <imcdnzl@gmail.com>
+ *  Copyright (c) 2005-6 Ian McDonald <ian.mcdonald@jandi.co.nz>
  *
  *  An implementation of the DCCP protocol
  *
@@ -342,6 +342,8 @@ static int ccid3_hc_tx_send_packet(struct sock *sk,
                 new_packet->dccphtx_ccval =
                         DCCP_SKB_CB(skb)->dccpd_ccval =
                                 hctx->ccid3hctx_last_win_count;
+                timeval_add_usecs(&hctx->ccid3hctx_t_nom,
+                                  hctx->ccid3hctx_t_ipi);
         }
 out:
         return rc;
@@ -413,7 +415,8 @@ static void ccid3_hc_tx_packet_sent(struct sock *sk, int more, int len)
         case TFRC_SSTATE_NO_FBACK:
         case TFRC_SSTATE_FBACK:
                 if (len > 0) {
-                        hctx->ccid3hctx_t_nom = now;
+                        timeval_sub_usecs(&hctx->ccid3hctx_t_nom,
+                                  hctx->ccid3hctx_t_ipi);
                         ccid3_calc_new_t_ipi(hctx);
                         ccid3_calc_new_delta(hctx);
                         timeval_add_usecs(&hctx->ccid3hctx_t_nom,
@@ -757,8 +760,7 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk)
         }
 
         hcrx->ccid3hcrx_tstamp_last_feedback = now;
-        hcrx->ccid3hcrx_last_counter         = packet->dccphrx_ccval;
-        hcrx->ccid3hcrx_seqno_last_counter   = packet->dccphrx_seqno;
+        hcrx->ccid3hcrx_ccval_last_counter   = packet->dccphrx_ccval;
         hcrx->ccid3hcrx_bytes_recv           = 0;
 
         /* Convert to multiples of 10us */
@@ -782,7 +784,7 @@ static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
         if (!(sk->sk_state == DCCP_OPEN || sk->sk_state == DCCP_PARTOPEN))
                 return 0;
 
-        DCCP_SKB_CB(skb)->dccpd_ccval = hcrx->ccid3hcrx_last_counter;
+        DCCP_SKB_CB(skb)->dccpd_ccval = hcrx->ccid3hcrx_ccval_last_counter;
 
         if (dccp_packet_without_ack(skb))
                 return 0;
@@ -854,6 +856,11 @@ static u32 ccid3_hc_rx_calc_first_li(struct sock *sk)
                 interval = 1;
         }
 found:
+        if (!tail) {
+                LIMIT_NETDEBUG(KERN_WARNING "%s: tail is null\n",
+                   __FUNCTION__);
+                return ~0;
+        }
         rtt = timeval_delta(&tstamp, &tail->dccphrx_tstamp) * 4 / interval;
         ccid3_pr_debug("%s, sk=%p, approximated RTT to %uus\n",
                        dccp_role(sk), sk, rtt);
@@ -864,9 +871,20 @@ found:
         delta = timeval_delta(&tstamp, &hcrx->ccid3hcrx_tstamp_last_feedback);
         x_recv = usecs_div(hcrx->ccid3hcrx_bytes_recv, delta);
 
+        if (x_recv == 0)
+                x_recv = hcrx->ccid3hcrx_x_recv;
+
         tmp1 = (u64)x_recv * (u64)rtt;
         do_div(tmp1,10000000);
         tmp2 = (u32)tmp1;
+
+        if (!tmp2) {
+                LIMIT_NETDEBUG(KERN_WARNING "tmp2 = 0 "
+                   "%s: x_recv = %u, rtt =%u\n",
+                   __FUNCTION__, x_recv, rtt);
+                return ~0;
+        }
+
         fval = (hcrx->ccid3hcrx_s * 100000) / tmp2;
         /* do not alter order above or you will get overflow on 32 bit */
         p = tfrc_calc_x_reverse_lookup(fval);
@@ -882,31 +900,101 @@ found:
 static void ccid3_hc_rx_update_li(struct sock *sk, u64 seq_loss, u8 win_loss)
 {
         struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
+        struct dccp_li_hist_entry *next, *head;
+        u64 seq_temp;
 
-        if (seq_loss != DCCP_MAX_SEQNO + 1 &&
-            list_empty(&hcrx->ccid3hcrx_li_hist)) {
-                struct dccp_li_hist_entry *li_tail;
+        if (list_empty(&hcrx->ccid3hcrx_li_hist)) {
+                if (!dccp_li_hist_interval_new(ccid3_li_hist,
+                   &hcrx->ccid3hcrx_li_hist, seq_loss, win_loss))
+                        return;
 
-                li_tail = dccp_li_hist_interval_new(ccid3_li_hist,
-                                                    &hcrx->ccid3hcrx_li_hist,
-                                                    seq_loss, win_loss);
-                if (li_tail == NULL)
+                next = (struct dccp_li_hist_entry *)
+                   hcrx->ccid3hcrx_li_hist.next;
+                next->dccplih_interval = ccid3_hc_rx_calc_first_li(sk);
+        } else {
+                struct dccp_li_hist_entry *entry;
+                struct list_head *tail;
+
+                head = (struct dccp_li_hist_entry *)
+                   hcrx->ccid3hcrx_li_hist.next;
+                /* FIXME win count check removed as was wrong */
+                /* should make this check with receive history */
+                /* and compare there as per section 10.2 of RFC4342 */
+
+                /* new loss event detected */
+                /* calculate last interval length */
+                seq_temp = dccp_delta_seqno(head->dccplih_seqno, seq_loss);
+                entry = dccp_li_hist_entry_new(ccid3_li_hist, SLAB_ATOMIC);
+
+                if (entry == NULL) {
+                        printk(KERN_CRIT "%s: out of memory\n",__FUNCTION__);
+                        dump_stack();
                         return;
-                li_tail->dccplih_interval = ccid3_hc_rx_calc_first_li(sk);
-        } else
-                    LIMIT_NETDEBUG(KERN_WARNING "%s: FIXME: find end of "
-                                   "interval\n", __FUNCTION__);
+                }
+
+                list_add(&entry->dccplih_node, &hcrx->ccid3hcrx_li_hist);
+
+                tail = hcrx->ccid3hcrx_li_hist.prev;
+                list_del(tail);
+                kmem_cache_free(ccid3_li_hist->dccplih_slab, tail);
+
+                /* Create the newest interval */
+                entry->dccplih_seqno = seq_loss;
+                entry->dccplih_interval = seq_temp;
+                entry->dccplih_win_count = win_loss;
+        }
 }
 
-static void ccid3_hc_rx_detect_loss(struct sock *sk)
+static int ccid3_hc_rx_detect_loss(struct sock *sk,
+                                    struct dccp_rx_hist_entry *packet)
 {
         struct ccid3_hc_rx_sock *hcrx = ccid3_hc_rx_sk(sk);
-        u8 win_loss;
-        const u64 seq_loss = dccp_rx_hist_detect_loss(&hcrx->ccid3hcrx_hist,
-                                                      &hcrx->ccid3hcrx_li_hist,
-                                                      &win_loss);
+        struct dccp_rx_hist_entry *rx_hist = dccp_rx_hist_head(&hcrx->ccid3hcrx_hist);
+        u64 seqno = packet->dccphrx_seqno;
+        u64 tmp_seqno;
+        int loss = 0;
+        u8 ccval;
+
+
+        tmp_seqno = hcrx->ccid3hcrx_seqno_nonloss;
+
+        if (!rx_hist ||
+           follows48(packet->dccphrx_seqno, hcrx->ccid3hcrx_seqno_nonloss)) {
+                hcrx->ccid3hcrx_seqno_nonloss = seqno;
+                hcrx->ccid3hcrx_ccval_nonloss = packet->dccphrx_ccval;
+                goto detect_out;
+        }
+
 
-        ccid3_hc_rx_update_li(sk, seq_loss, win_loss);
+        while (dccp_delta_seqno(hcrx->ccid3hcrx_seqno_nonloss, seqno)
+           > TFRC_RECV_NUM_LATE_LOSS) {
+                loss = 1;
+                ccid3_hc_rx_update_li(sk, hcrx->ccid3hcrx_seqno_nonloss,
+                   hcrx->ccid3hcrx_ccval_nonloss);
+                tmp_seqno = hcrx->ccid3hcrx_seqno_nonloss;
+                dccp_inc_seqno(&tmp_seqno);
+                hcrx->ccid3hcrx_seqno_nonloss = tmp_seqno;
+                dccp_inc_seqno(&tmp_seqno);
+                while (dccp_rx_hist_find_entry(&hcrx->ccid3hcrx_hist,
+                   tmp_seqno, &ccval)) {
+                        hcrx->ccid3hcrx_seqno_nonloss = tmp_seqno;
+                        hcrx->ccid3hcrx_ccval_nonloss = ccval;
+                        dccp_inc_seqno(&tmp_seqno);
+                }
+        }
+
+        /* FIXME - this code could be simplified with above while */
+        /* but works at moment */
+        if (follows48(packet->dccphrx_seqno, hcrx->ccid3hcrx_seqno_nonloss)) {
+                hcrx->ccid3hcrx_seqno_nonloss = seqno;
+                hcrx->ccid3hcrx_ccval_nonloss = packet->dccphrx_ccval;
+        }
+
+detect_out:
+        dccp_rx_hist_add_packet(ccid3_rx_hist, &hcrx->ccid3hcrx_hist,
+                   &hcrx->ccid3hcrx_li_hist, packet,
+                   hcrx->ccid3hcrx_seqno_nonloss);
+        return loss;
 }
 
 static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
@@ -916,8 +1004,8 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
         struct dccp_rx_hist_entry *packet;
         struct timeval now;
         u8 win_count;
-        u32 p_prev, r_sample, t_elapsed;
-        int ins;
+        u32 p_prev, rtt_prev, r_sample, t_elapsed;
+        int loss;
 
         BUG_ON(hcrx == NULL ||
                !(hcrx->ccid3hcrx_state == TFRC_RSTATE_NO_DATA ||
@@ -932,7 +1020,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
         case DCCP_PKT_DATAACK:
                 if (opt_recv->dccpor_timestamp_echo == 0)
                         break;
-                p_prev = hcrx->ccid3hcrx_rtt;
+                rtt_prev = hcrx->ccid3hcrx_rtt;
                 dccp_timestamp(sk, &now);
                 timeval_sub_usecs(&now, opt_recv->dccpor_timestamp_echo * 10);
                 r_sample = timeval_usecs(&now);
@@ -951,8 +1039,8 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
                         hcrx->ccid3hcrx_rtt = (hcrx->ccid3hcrx_rtt * 9) / 10 +
                                               r_sample / 10;
 
-                if (p_prev != hcrx->ccid3hcrx_rtt)
-                        ccid3_pr_debug("%s, New RTT=%luus, elapsed time=%u\n",
+                if (rtt_prev != hcrx->ccid3hcrx_rtt)
+                        ccid3_pr_debug("%s, New RTT=%uus, elapsed time=%u\n",
                                        dccp_role(sk), hcrx->ccid3hcrx_rtt,
                                        opt_recv->dccpor_elapsed_time);
                 break;
@@ -973,8 +1061,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 
         win_count = packet->dccphrx_ccval;
 
-        ins = dccp_rx_hist_add_packet(ccid3_rx_hist, &hcrx->ccid3hcrx_hist,
-                                      &hcrx->ccid3hcrx_li_hist, packet);
+        loss = ccid3_hc_rx_detect_loss(sk, packet);
 
         if (DCCP_SKB_CB(skb)->dccpd_type == DCCP_PKT_ACK)
                 return;
@@ -991,7 +1078,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
         case TFRC_RSTATE_DATA:
                 hcrx->ccid3hcrx_bytes_recv += skb->len -
                                               dccp_hdr(skb)->dccph_doff * 4;
-                if (ins != 0)
+                if (loss)
                         break;
 
                 dccp_timestamp(sk, &now);
@@ -1012,7 +1099,6 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
         ccid3_pr_debug("%s, sk=%p(%s), data loss! Reacting...\n",
                        dccp_role(sk), sk, dccp_state_name(sk->sk_state));
 
-        ccid3_hc_rx_detect_loss(sk);
         p_prev = hcrx->ccid3hcrx_p;
         
         /* Calculate loss event rate */
@@ -1022,6 +1108,9 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
                 /* Scaling up by 1000000 as fixed decimal */
                 if (i_mean != 0)
                         hcrx->ccid3hcrx_p = 1000000 / i_mean;
+        } else {
+                printk(KERN_CRIT "%s: empty loss hist\n",__FUNCTION__);
+                dump_stack();
         }
 
         if (hcrx->ccid3hcrx_p > p_prev) {
@@ -1230,7 +1319,7 @@ static __exit void ccid3_module_exit(void)
 }
 module_exit(ccid3_module_exit);
 
-MODULE_AUTHOR("Ian McDonald <iam4@cs.waikato.ac.nz>, "
+MODULE_AUTHOR("Ian McDonald <ian.mcdonald@jandi.co.nz>, "
               "Arnaldo Carvalho de Melo <acme@ghostprotocols.net>");
 MODULE_DESCRIPTION("DCCP TFRC CCID3 CCID");
 MODULE_LICENSE("GPL");
diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index 5ade4f668b22..0a2cb7536d26 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -1,13 +1,13 @@
 /*
  *  net/dccp/ccids/ccid3.h
  *
- *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
+ *  Copyright (c) 2005-6 The University of Waikato, Hamilton, New Zealand.
  *
  *  An implementation of the DCCP protocol
  *
  *  This code has been developed by the University of Waikato WAND
  *  research group. For further information please see http://www.wand.net.nz/
- *  or e-mail Ian McDonald - iam4@cs.waikato.ac.nz
+ *  or e-mail Ian McDonald - ian.mcdonald@jandi.co.nz
  *
  *  This code also uses code from Lulea University, rereleased as GPL by its
  *  authors:
@@ -120,9 +120,10 @@ struct ccid3_hc_rx_sock {
 #define ccid3hcrx_x_recv        ccid3hcrx_tfrc.tfrcrx_x_recv
 #define ccid3hcrx_rtt           ccid3hcrx_tfrc.tfrcrx_rtt
 #define ccid3hcrx_p             ccid3hcrx_tfrc.tfrcrx_p
-        u64                     ccid3hcrx_seqno_last_counter:48,
+        u64                     ccid3hcrx_seqno_nonloss:48,
+                                ccid3hcrx_ccval_nonloss:4,
                                 ccid3hcrx_state:8,
-                                ccid3hcrx_last_counter:4;
+                                ccid3hcrx_ccval_last_counter:4;
         u32                     ccid3hcrx_bytes_recv;
         struct timeval          ccid3hcrx_tstamp_last_feedback;
         struct timeval          ccid3hcrx_tstamp_last_ack;
diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c
index 5d7b7d864385..906c81ab9d4f 100644
--- a/net/dccp/ccids/lib/loss_interval.c
+++ b/net/dccp/ccids/lib/loss_interval.c
@@ -2,7 +2,7 @@
  *  net/dccp/ccids/lib/loss_interval.c
  *
  *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
- *  Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz>
+ *  Copyright (c) 2005-6 Ian McDonald <ian.mcdonald@jandi.co.nz>
  *  Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -12,6 +12,7 @@
  */
 
 #include <linux/module.h>
+#include <net/sock.h>
 
 #include "loss_interval.h"
 
@@ -90,13 +91,13 @@ u32 dccp_li_hist_calc_i_mean(struct list_head *list)
         u32 w_tot  = 0;
 
         list_for_each_entry_safe(li_entry, li_next, list, dccplih_node) {
-                if (i < DCCP_LI_HIST_IVAL_F_LENGTH) {
+                if (li_entry->dccplih_interval != ~0) {
                         i_tot0 += li_entry->dccplih_interval * dccp_li_hist_w[i];
                         w_tot  += dccp_li_hist_w[i];
+                        if (i != 0)
+                                i_tot1 += li_entry->dccplih_interval * dccp_li_hist_w[i - 1];
                 }
 
-                if (i != 0)
-                        i_tot1 += li_entry->dccplih_interval * dccp_li_hist_w[i - 1];
 
                 if (++i > DCCP_LI_HIST_IVAL_F_LENGTH)
                         break;
@@ -107,37 +108,36 @@ u32 dccp_li_hist_calc_i_mean(struct list_head *list)
 
         i_tot = max(i_tot0, i_tot1);
 
-        /* FIXME: Why do we do this? -Ian McDonald */
-        if (i_tot * 4 < w_tot)
-                i_tot = w_tot * 4;
+        if (!w_tot) {
+                LIMIT_NETDEBUG(KERN_WARNING "%s: w_tot = 0\n", __FUNCTION__);
+                return 1;
+        }
 
-        return i_tot * 4 / w_tot;
+        return i_tot / w_tot;
 }
 
 EXPORT_SYMBOL_GPL(dccp_li_hist_calc_i_mean);
 
-struct dccp_li_hist_entry *dccp_li_hist_interval_new(struct dccp_li_hist *hist,
-                                                     struct list_head *list,
-                                                     const u64 seq_loss,
-                                                     const u8 win_loss)
+int dccp_li_hist_interval_new(struct dccp_li_hist *hist,
+   struct list_head *list, const u64 seq_loss, const u8 win_loss)
 {
-        struct dccp_li_hist_entry *tail = NULL, *entry;
+        struct dccp_li_hist_entry *entry;
         int i;
 
-        for (i = 0; i <= DCCP_LI_HIST_IVAL_F_LENGTH; ++i) {
+        for (i = 0; i < DCCP_LI_HIST_IVAL_F_LENGTH; i++) {
                 entry = dccp_li_hist_entry_new(hist, SLAB_ATOMIC);
                 if (entry == NULL) {
                         dccp_li_hist_purge(hist, list);
-                        return NULL;
+                        dump_stack();
+                        return 0;
                 }
-                if (tail == NULL)
-                        tail = entry;
+                entry->dccplih_interval = ~0;
                 list_add(&entry->dccplih_node, list);
         }
 
         entry->dccplih_seqno     = seq_loss;
         entry->dccplih_win_count = win_loss;
-        return tail;
+        return 1;
 }
 
 EXPORT_SYMBOL_GPL(dccp_li_hist_interval_new);
diff --git a/net/dccp/ccids/lib/loss_interval.h b/net/dccp/ccids/lib/loss_interval.h
index 43bf78269d1d..0ae85f0340b2 100644
--- a/net/dccp/ccids/lib/loss_interval.h
+++ b/net/dccp/ccids/lib/loss_interval.h
@@ -4,7 +4,7 @@
  *  net/dccp/ccids/lib/loss_interval.h
  *
  *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
- *  Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz>
+ *  Copyright (c) 2005 Ian McDonald <ian.mcdonald@jandi.co.nz>
  *  Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  *
  *  This program is free software; you can redistribute it and/or modify it
@@ -52,9 +52,6 @@ extern void dccp_li_hist_purge(struct dccp_li_hist *hist,
 
 extern u32 dccp_li_hist_calc_i_mean(struct list_head *list);
 
-extern struct dccp_li_hist_entry *
-                        dccp_li_hist_interval_new(struct dccp_li_hist *hist,
-                                                  struct list_head *list,
-                                                  const u64 seq_loss,
-                                                  const u8 win_loss);
+extern int dccp_li_hist_interval_new(struct dccp_li_hist *hist,
+   struct list_head *list, const u64 seq_loss, const u8 win_loss);
 #endif /* _DCCP_LI_HIST_ */
diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c
index ad98d6a322eb..b876c9c81c65 100644
--- a/net/dccp/ccids/lib/packet_history.c
+++ b/net/dccp/ccids/lib/packet_history.c
@@ -1,13 +1,13 @@
 /*
- *  net/dccp/packet_history.h
+ *  net/dccp/packet_history.c
  *
- *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
+ *  Copyright (c) 2005-6 The University of Waikato, Hamilton, New Zealand.
  *
  *  An implementation of the DCCP protocol
  *
  *  This code has been developed by the University of Waikato WAND
  *  research group. For further information please see http://www.wand.net.nz/
- *  or e-mail Ian McDonald - iam4@cs.waikato.ac.nz
+ *  or e-mail Ian McDonald - ian.mcdonald@jandi.co.nz
  *
  *  This code also uses code from Lulea University, rereleased as GPL by its
  *  authors:
@@ -112,64 +112,27 @@ struct dccp_rx_hist_entry *
 
 EXPORT_SYMBOL_GPL(dccp_rx_hist_find_data_packet);
 
-int dccp_rx_hist_add_packet(struct dccp_rx_hist *hist,
+void dccp_rx_hist_add_packet(struct dccp_rx_hist *hist,
                             struct list_head *rx_list,
                             struct list_head *li_list,
-                            struct dccp_rx_hist_entry *packet)
+                            struct dccp_rx_hist_entry *packet,
+                            u64 nonloss_seqno)
 {
-        struct dccp_rx_hist_entry *entry, *next, *iter;
+        struct dccp_rx_hist_entry *entry, *next;
         u8 num_later = 0;
 
-        iter = dccp_rx_hist_head(rx_list);
-        if (iter == NULL)
-                dccp_rx_hist_add_entry(rx_list, packet);
-        else {
-                const u64 seqno = packet->dccphrx_seqno;
-
-                if (after48(seqno, iter->dccphrx_seqno))
-                        dccp_rx_hist_add_entry(rx_list, packet);
-                else {
-                        if (dccp_rx_hist_entry_data_packet(iter))
-                                num_later = 1;
-
-                        list_for_each_entry_continue(iter, rx_list,
-                                                     dccphrx_node) {
-                                if (after48(seqno, iter->dccphrx_seqno)) {
-                                        dccp_rx_hist_add_entry(&iter->dccphrx_node,
-                                                               packet);
-                                        goto trim_history;
-                                }
-
-                                if (dccp_rx_hist_entry_data_packet(iter))
-                                        num_later++;
+        list_add(&packet->dccphrx_node, rx_list);
 
-                                if (num_later == TFRC_RECV_NUM_LATE_LOSS) {
-                                        dccp_rx_hist_entry_delete(hist, packet);
-                                        return 1;
-                                }
-                        }
-
-                        if (num_later < TFRC_RECV_NUM_LATE_LOSS)
-                                dccp_rx_hist_add_entry(rx_list, packet);
-                        /*
-                         * FIXME: else what? should we destroy the packet
-                         * like above?
-                         */
-                }
-        }
-
-trim_history:
-        /*
-         * Trim history (remove all packets after the NUM_LATE_LOSS + 1
-         * data packets)
-         */
         num_later = TFRC_RECV_NUM_LATE_LOSS + 1;
 
         if (!list_empty(li_list)) {
                 list_for_each_entry_safe(entry, next, rx_list, dccphrx_node) {
                         if (num_later == 0) {
-                                list_del_init(&entry->dccphrx_node);
-                                dccp_rx_hist_entry_delete(hist, entry);
+                                if (after48(nonloss_seqno,
+                                   entry->dccphrx_seqno)) {
+                                        list_del_init(&entry->dccphrx_node);
+                                        dccp_rx_hist_entry_delete(hist, entry);
+                                }
                         } else if (dccp_rx_hist_entry_data_packet(entry))
                                 --num_later;
                 }
@@ -217,94 +180,10 @@ trim_history:
                                 --num_later;
                 }
         }
-
-        return 0;
 }
 
 EXPORT_SYMBOL_GPL(dccp_rx_hist_add_packet);
 
-u64 dccp_rx_hist_detect_loss(struct list_head *rx_list,
-                             struct list_head *li_list, u8 *win_loss)
-{
-        struct dccp_rx_hist_entry *entry, *next, *packet;
-        struct dccp_rx_hist_entry *a_loss = NULL;
-        struct dccp_rx_hist_entry *b_loss = NULL;
-        u64 seq_loss = DCCP_MAX_SEQNO + 1;
-        u8 num_later = TFRC_RECV_NUM_LATE_LOSS;
-
-        list_for_each_entry_safe(entry, next, rx_list, dccphrx_node) {
-                if (num_later == 0) {
-                        b_loss = entry;
-                        break;
-                } else if (dccp_rx_hist_entry_data_packet(entry))
-                        --num_later;
-        }
-
-        if (b_loss == NULL)
-                goto out;
-
-        num_later = 1;
-        list_for_each_entry_safe_continue(entry, next, rx_list, dccphrx_node) {
-                if (num_later == 0) {
-                        a_loss = entry;
-                        break;
-                } else if (dccp_rx_hist_entry_data_packet(entry))
-                        --num_later;
-        }
-
-        if (a_loss == NULL) {
-                if (list_empty(li_list)) {
-                        /* no loss event have occured yet */
-                        LIMIT_NETDEBUG("%s: TODO: find a lost data packet by "
-                                       "comparing to initial seqno\n",
-                                       __FUNCTION__);
-                        goto out;
-                } else {
-                        LIMIT_NETDEBUG("%s: Less than 4 data pkts in history!",
-                                       __FUNCTION__);
-                        goto out;
-                }
-        }
-
-        /* Locate a lost data packet */
-        entry = packet = b_loss;
-        list_for_each_entry_safe_continue(entry, next, rx_list, dccphrx_node) {
-                u64 delta = dccp_delta_seqno(entry->dccphrx_seqno,
-                                             packet->dccphrx_seqno);
-
-                if (delta != 0) {
-                        if (dccp_rx_hist_entry_data_packet(packet))
-                                --delta;
-                        /*
-                         * FIXME: check this, probably this % usage is because
-                         * in earlier drafts the ndp count was just 8 bits
-                         * long, but now it cam be up to 24 bits long.
-                         */
-#if 0
-                        if (delta % DCCP_NDP_LIMIT !=
-                            (packet->dccphrx_ndp -
-                             entry->dccphrx_ndp) % DCCP_NDP_LIMIT)
-#endif
-                        if (delta != packet->dccphrx_ndp - entry->dccphrx_ndp) {
-                                seq_loss = entry->dccphrx_seqno;
-                                dccp_inc_seqno(&seq_loss);
-                        }
-                }
-                packet = entry;
-                if (packet == a_loss)
-                        break;
-        }
-out:
-        if (seq_loss != DCCP_MAX_SEQNO + 1)
-                *win_loss = a_loss->dccphrx_ccval;
-        else
-                *win_loss = 0; /* Paranoia */
-
-        return seq_loss;
-}
-
-EXPORT_SYMBOL_GPL(dccp_rx_hist_detect_loss);
-
 struct dccp_tx_hist *dccp_tx_hist_new(const char *name)
 {
         struct dccp_tx_hist *hist = kmalloc(sizeof(*hist), GFP_ATOMIC);
@@ -365,6 +244,25 @@ struct dccp_tx_hist_entry *
 
 EXPORT_SYMBOL_GPL(dccp_tx_hist_find_entry);
 
+int dccp_rx_hist_find_entry(const struct list_head *list, const u64 seq,
+   u8 *ccval)
+{
+        struct dccp_rx_hist_entry *packet = NULL, *entry;
+
+        list_for_each_entry(entry, list, dccphrx_node)
+                if (entry->dccphrx_seqno == seq) {
+                        packet = entry;
+                        break;
+                }
+
+        if (packet)
+                *ccval = packet->dccphrx_ccval;
+
+        return packet != NULL;
+}
+
+EXPORT_SYMBOL_GPL(dccp_rx_hist_find_entry);
+
 void dccp_tx_hist_purge_older(struct dccp_tx_hist *hist,
                               struct list_head *list,
                               struct dccp_tx_hist_entry *packet)
@@ -391,7 +289,7 @@ void dccp_tx_hist_purge(struct dccp_tx_hist *hist, struct list_head *list)
 
 EXPORT_SYMBOL_GPL(dccp_tx_hist_purge);
 
-MODULE_AUTHOR("Ian McDonald <iam4@cs.waikato.ac.nz>, "
+MODULE_AUTHOR("Ian McDonald <ian.mcdonald@jandi.co.nz>, "
               "Arnaldo Carvalho de Melo <acme@ghostprotocols.net>");
 MODULE_DESCRIPTION("DCCP TFRC library");
 MODULE_LICENSE("GPL");
diff --git a/net/dccp/ccids/lib/packet_history.h b/net/dccp/ccids/lib/packet_history.h
index 673c209e4e85..067cf1c85a37 100644
--- a/net/dccp/ccids/lib/packet_history.h
+++ b/net/dccp/ccids/lib/packet_history.h
@@ -1,13 +1,13 @@
 /*
  *  net/dccp/packet_history.h
  *
- *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
+ *  Copyright (c) 2005-6 The University of Waikato, Hamilton, New Zealand.
  *
  *  An implementation of the DCCP protocol
  *
  *  This code has been developed by the University of Waikato WAND
  *  research group. For further information please see http://www.wand.net.nz/
- *  or e-mail Ian McDonald - iam4@cs.waikato.ac.nz
+ *  or e-mail Ian McDonald - ian.mcdonald@jandi.co.nz
  *
  *  This code also uses code from Lulea University, rereleased as GPL by its
  *  authors:
@@ -106,6 +106,8 @@ static inline void dccp_tx_hist_entry_delete(struct dccp_tx_hist *hist,
 extern struct dccp_tx_hist_entry *
                         dccp_tx_hist_find_entry(const struct list_head *list,
                                                 const u64 seq);
+extern int dccp_rx_hist_find_entry(const struct list_head *list, const u64 seq,
+   u8 *ccval);
 
 static inline void dccp_tx_hist_add_entry(struct list_head *list,
                                           struct dccp_tx_hist_entry *entry)
@@ -164,12 +166,6 @@ static inline void dccp_rx_hist_entry_delete(struct dccp_rx_hist *hist,
 extern void dccp_rx_hist_purge(struct dccp_rx_hist *hist,
                                struct list_head *list);
 
-static inline void dccp_rx_hist_add_entry(struct list_head *list,
-                                          struct dccp_rx_hist_entry *entry)
-{
-        list_add(&entry->dccphrx_node, list);
-}
-
 static inline struct dccp_rx_hist_entry *
                 dccp_rx_hist_head(struct list_head *list)
 {
@@ -188,10 +184,11 @@ static inline int
                entry->dccphrx_type == DCCP_PKT_DATAACK;
 }
 
-extern int dccp_rx_hist_add_packet(struct dccp_rx_hist *hist,
+extern void dccp_rx_hist_add_packet(struct dccp_rx_hist *hist,
                                    struct list_head *rx_list,
                                    struct list_head *li_list,
-                                   struct dccp_rx_hist_entry *packet);
+                                   struct dccp_rx_hist_entry *packet,
+                                   u64 nonloss_seqno);
 
 extern u64 dccp_rx_hist_detect_loss(struct list_head *rx_list,
                                     struct list_head *li_list, u8 *win_loss);
diff --git a/net/dccp/ccids/lib/tfrc.h b/net/dccp/ccids/lib/tfrc.h
index 130c4c40cfe3..45f30f59ea2a 100644
--- a/net/dccp/ccids/lib/tfrc.h
+++ b/net/dccp/ccids/lib/tfrc.h
@@ -4,7 +4,7 @@
  *  net/dccp/ccids/lib/tfrc.h
  *
  *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
- *  Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz>
+ *  Copyright (c) 2005 Ian McDonald <ian.mcdonald@jandi.co.nz>
  *  Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  *  Copyright (c) 2003 Nils-Erik Mattsson, Joacim Haggmark, Magnus Erixzon
  *
diff --git a/net/dccp/ccids/lib/tfrc_equation.c b/net/dccp/ccids/lib/tfrc_equation.c
index 4fd2ebebf5a0..44076e0c6591 100644
--- a/net/dccp/ccids/lib/tfrc_equation.c
+++ b/net/dccp/ccids/lib/tfrc_equation.c
@@ -2,7 +2,7 @@
  *  net/dccp/ccids/lib/tfrc_equation.c
  *
  *  Copyright (c) 2005 The University of Waikato, Hamilton, New Zealand.
- *  Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz>
+ *  Copyright (c) 2005 Ian McDonald <ian.mcdonald@jandi.co.nz>
  *  Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  *  Copyright (c) 2003 Nils-Erik Mattsson, Joacim Haggmark, Magnus Erixzon
  *
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index d00a2f4ee5dd..a5c5475724c0 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -5,7 +5,7 @@
  *
  *  An implementation of the DCCP protocol
  *  Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
- *  Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz>
+ *  Copyright (c) 2005-6 Ian McDonald <ian.mcdonald@jandi.co.nz>
  *
  *      This program is free software; you can redistribute it and/or modify it
  *      under the terms of the GNU General Public License version 2 as
@@ -81,6 +81,14 @@ static inline u64 max48(const u64 seq1, const u64 seq2)
         return after48(seq1, seq2) ? seq1 : seq2;
 }
 
+/* is seq1 next seqno after seq2 */
+static inline int follows48(const u64 seq1, const u64 seq2)
+{
+        int diff = (seq1 & 0xFFFF) - (seq2 & 0xFFFF);
+
+        return diff==1;
+}
+
 enum {
         DCCP_MIB_NUM = 0,
         DCCP_MIB_ACTIVEOPENS,                   /* ActiveOpens */
diff --git a/net/dccp/options.c b/net/dccp/options.c
index daf72bb671f0..07a34696ac97 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -4,7 +4,7 @@
  *  An implementation of the DCCP protocol
  *  Copyright (c) 2005 Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
  *  Copyright (c) 2005 Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
- *  Copyright (c) 2005 Ian McDonald <iam4@cs.waikato.ac.nz>
+ *  Copyright (c) 2005 Ian McDonald <ian.mcdonald@jandi.co.nz>
  *
  *      This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 9be53a8e72c3..51738000f3dc 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -159,7 +159,7 @@ void free_fib_info(struct fib_info *fi)
 
 void fib_release_info(struct fib_info *fi)
 {
-        write_lock(&fib_info_lock);
+        write_lock_bh(&fib_info_lock);
         if (fi && --fi->fib_treeref == 0) {
                 hlist_del(&fi->fib_hash);
                 if (fi->fib_prefsrc)
@@ -172,7 +172,7 @@ void fib_release_info(struct fib_info *fi)
                 fi->fib_dead = 1;
                 fib_info_put(fi);
         }
-        write_unlock(&fib_info_lock);
+        write_unlock_bh(&fib_info_lock);
 }
 
 static __inline__ int nh_comp(const struct fib_info *fi, const struct fib_info *ofi)
@@ -598,7 +598,7 @@ static void fib_hash_move(struct hlist_head *new_info_hash,
         unsigned int old_size = fib_hash_size;
         unsigned int i, bytes;
 
-        write_lock(&fib_info_lock);
+        write_lock_bh(&fib_info_lock);
         old_info_hash = fib_info_hash;
         old_laddrhash = fib_info_laddrhash;
         fib_hash_size = new_size;
@@ -639,7 +639,7 @@ static void fib_hash_move(struct hlist_head *new_info_hash,
         }
         fib_info_laddrhash = new_laddrhash;
 
-        write_unlock(&fib_info_lock);
+        write_unlock_bh(&fib_info_lock);
 
         bytes = old_size * sizeof(struct hlist_head *);
         fib_hash_free(old_info_hash, bytes);
@@ -820,7 +820,7 @@ link_it:
 
         fi->fib_treeref++;
         atomic_inc(&fi->fib_clntref);
-        write_lock(&fib_info_lock);
+        write_lock_bh(&fib_info_lock);
         hlist_add_head(&fi->fib_hash,
                        &fib_info_hash[fib_info_hashfn(fi)]);
         if (fi->fib_prefsrc) {
@@ -839,7 +839,7 @@ link_it:
                 head = &fib_info_devhash[hash];
                 hlist_add_head(&nh->nh_hash, head);
         } endfor_nexthops(fi)
-        write_unlock(&fib_info_lock);
+        write_unlock_bh(&fib_info_lock);
         return fi;
 
 err_inval:
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 9f4b752f5a33..8e8117c19e4d 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1793,29 +1793,35 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr)
         struct in_device *in_dev;
         u32 group = imr->imr_multiaddr.s_addr;
         u32 ifindex;
+        int ret = -EADDRNOTAVAIL;
 
         rtnl_lock();
         in_dev = ip_mc_find_dev(imr);
-        if (!in_dev) {
-                rtnl_unlock();
-                return -ENODEV;
-        }
         ifindex = imr->imr_ifindex;
         for (imlp = &inet->mc_list; (iml = *imlp) != NULL; imlp = &iml->next) {
-                if (iml->multi.imr_multiaddr.s_addr == group &&
-                    iml->multi.imr_ifindex == ifindex) {
-                        (void) ip_mc_leave_src(sk, iml, in_dev);
+                if (iml->multi.imr_multiaddr.s_addr != group)
+                        continue;
+                if (ifindex) {
+                        if (iml->multi.imr_ifindex != ifindex)
+                                continue;
+                } else if (imr->imr_address.s_addr && imr->imr_address.s_addr !=
+                                iml->multi.imr_address.s_addr)
+                        continue;
+
+                (void) ip_mc_leave_src(sk, iml, in_dev);
 
-                        *imlp = iml->next;
+                *imlp = iml->next;
 
+                if (in_dev)
                         ip_mc_dec_group(in_dev, group);
-                        rtnl_unlock();
-                        sock_kfree_s(sk, iml, sizeof(*iml));
-                        return 0;
-                }
+                rtnl_unlock();
+                sock_kfree_s(sk, iml, sizeof(*iml));
+                return 0;
         }
+        if (!in_dev)
+                ret = -ENODEV;
         rtnl_unlock();
-        return -EADDRNOTAVAIL;
+        return ret;
 }
 
 int ip_mc_source(int add, int omode, struct sock *sk, struct
@@ -2199,13 +2205,13 @@ void ip_mc_drop_socket(struct sock *sk)
                 struct in_device *in_dev;
                 inet->mc_list = iml->next;
 
-                if ((in_dev = inetdev_by_index(iml->multi.imr_ifindex)) != NULL) {
-                        (void) ip_mc_leave_src(sk, iml, in_dev);
+                in_dev = inetdev_by_index(iml->multi.imr_ifindex);
+                (void) ip_mc_leave_src(sk, iml, in_dev);
+                if (in_dev != NULL) {
                         ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr);
                         in_dev_put(in_dev);
                 }
                 sock_kfree_s(sk, iml, sizeof(*iml));
-
         }
         rtnl_unlock();
 }
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 9bf307a29783..4c20f5546893 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -947,7 +947,7 @@ alloc_new_skb:
                                 skb_prev->csum = csum_sub(skb_prev->csum,
                                                           skb->csum);
                                 data += fraggap;
-                                skb_trim(skb_prev, maxfraglen);
+                                pskb_trim_unique(skb_prev, maxfraglen);
                         }
 
                         copy = datalen - transhdrlen - fraggap;
@@ -1142,7 +1142,7 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
                                         data, fraggap, 0);
                                 skb_prev->csum = csum_sub(skb_prev->csum,
                                                           skb->csum);
-                                skb_trim(skb_prev, maxfraglen);
+                                pskb_trim_unique(skb_prev, maxfraglen);
                         }
 
                         /*
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 80c73ca90116..8d1d7a6e72a5 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -236,7 +236,7 @@ unsigned int arpt_do_table(struct sk_buff **pskb,
         struct arpt_entry *e, *back;
         const char *indev, *outdev;
         void *table_base;
-        struct xt_table_info *private = table->private;
+        struct xt_table_info *private;
 
         /* ARP header, plus 2 device addresses, plus 2 IP addresses.  */
         if (!pskb_may_pull((*pskb), (sizeof(struct arphdr) +
@@ -248,6 +248,7 @@ unsigned int arpt_do_table(struct sk_buff **pskb,
         outdev = out ? out->name : nulldevname;
 
         read_lock_bh(&table->lock);
+        private = table->private;
         table_base = (void *)private->entries[smp_processor_id()];
         e = get_entry(table_base, private->hook_entry[hook]);
         back = get_entry(table_base, private->underflow[hook]);
@@ -1170,21 +1171,34 @@ static int __init arp_tables_init(void)
 {
         int ret;
 
-        xt_proto_init(NF_ARP);
+        ret = xt_proto_init(NF_ARP);
+        if (ret < 0)
+                goto err1;
 
         /* Noone else will be downing sem now, so we won't sleep */
-        xt_register_target(&arpt_standard_target);
-        xt_register_target(&arpt_error_target);
+        ret = xt_register_target(&arpt_standard_target);
+        if (ret < 0)
+                goto err2;
+        ret = xt_register_target(&arpt_error_target);
+        if (ret < 0)
+                goto err3;
 
         /* Register setsockopt */
         ret = nf_register_sockopt(&arpt_sockopts);
-        if (ret < 0) {
-                duprintf("Unable to register sockopts.\n");
-                return ret;
-        }
+        if (ret < 0)
+                goto err4;
 
         printk("arp_tables: (C) 2002 David S. Miller\n");
         return 0;
+
+err4:
+        xt_unregister_target(&arpt_error_target);
+err3:
+        xt_unregister_target(&arpt_standard_target);
+err2:
+        xt_proto_fini(NF_ARP);
+err1:
+        return ret;
 }
 
 static void __exit arp_tables_fini(void)
diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c
index 33891bb1fde4..0d4cc92391fa 100644
--- a/net/ipv4/netfilter/ip_conntrack_netlink.c
+++ b/net/ipv4/netfilter/ip_conntrack_netlink.c
@@ -415,21 +415,18 @@ ctnetlink_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
                         cb->args[0], *id);
 
         read_lock_bh(&ip_conntrack_lock);
+        last = (struct ip_conntrack *)cb->args[1];
         for (; cb->args[0] < ip_conntrack_htable_size; cb->args[0]++) {
 restart:
-                last = (struct ip_conntrack *)cb->args[1];
                 list_for_each_prev(i, &ip_conntrack_hash[cb->args[0]]) {
                         h = (struct ip_conntrack_tuple_hash *) i;
                         if (DIRECTION(h) != IP_CT_DIR_ORIGINAL)
                                 continue;
                         ct = tuplehash_to_ctrack(h);
-                        if (last != NULL) {
-                                if (ct == last) {
-                                        ip_conntrack_put(last);
-                                        cb->args[1] = 0;
-                                        last = NULL;
-                                } else
+                        if (cb->args[1]) {
+                                if (ct != last)
                                         continue;
+                                cb->args[1] = 0;
                         }
                         if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid,
                                                 cb->nlh->nlmsg_seq,
@@ -440,17 +437,17 @@ restart:
                                 goto out;
                         }
                 }
-                if (last != NULL) {
-                        ip_conntrack_put(last);
+                if (cb->args[1]) {
                         cb->args[1] = 0;
                         goto restart;
                 }
         }
 out:
         read_unlock_bh(&ip_conntrack_lock);
+        if (last)
+                ip_conntrack_put(last);
 
         DEBUGP("leaving, last bucket=%lu id=%u\n", cb->args[0], *id);
-
         return skb->len;
 }
 
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index fc5bdd5eb7d3..048514f15f2f 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -230,7 +230,7 @@ ipt_do_table(struct sk_buff **pskb,
         const char *indev, *outdev;
         void *table_base;
         struct ipt_entry *e, *back;
-        struct xt_table_info *private = table->private;
+        struct xt_table_info *private;
 
         /* Initialization */
         ip = (*pskb)->nh.iph;
@@ -247,6 +247,7 @@ ipt_do_table(struct sk_buff **pskb,
 
         read_lock_bh(&table->lock);
         IP_NF_ASSERT(table->valid_hooks & (1 << hook));
+        private = table->private;
         table_base = (void *)private->entries[smp_processor_id()];
         e = get_entry(table_base, private->hook_entry[hook]);
 
@@ -2239,22 +2240,39 @@ static int __init ip_tables_init(void)
 {
         int ret;
 
-        xt_proto_init(AF_INET);
+        ret = xt_proto_init(AF_INET);
+        if (ret < 0)
+                goto err1;
 
         /* Noone else will be downing sem now, so we won't sleep */
-        xt_register_target(&ipt_standard_target);
-        xt_register_target(&ipt_error_target);
-        xt_register_match(&icmp_matchstruct);
+        ret = xt_register_target(&ipt_standard_target);
+        if (ret < 0)
+                goto err2;
+        ret = xt_register_target(&ipt_error_target);
+        if (ret < 0)
+                goto err3;
+        ret = xt_register_match(&icmp_matchstruct);
+        if (ret < 0)
+                goto err4;
 
         /* Register setsockopt */
         ret = nf_register_sockopt(&ipt_sockopts);
-        if (ret < 0) {
-                duprintf("Unable to register sockopts.\n");
-                return ret;
-        }
+        if (ret < 0)
+                goto err5;
 
         printk("ip_tables: (C) 2000-2006 Netfilter Core Team\n");
         return 0;
+
+err5:
+        xt_unregister_match(&icmp_matchstruct);
+err4:
+        xt_unregister_target(&ipt_error_target);
+err3:
+        xt_unregister_target(&ipt_standard_target);
+err2:
+        xt_proto_fini(AF_INET);
+err1:
+        return ret;
 }
 
 static void __exit ip_tables_fini(void)
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index d7dd7fe7051c..d46fd677fa11 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -115,6 +115,11 @@ static void ulog_send(unsigned int nlgroupnum)
                 del_timer(&ub->timer);
         }
 
+        if (!ub->skb) {
+                DEBUGP("ipt_ULOG: ulog_send: nothing to send\n");
+                return;
+        }
+
         /* last nlmsg needs NLMSG_DONE */
         if (ub->qlen > 1)
                 ub->lastnlh->nlmsg_type = NLMSG_DONE;
diff --git a/net/ipv4/netfilter/ipt_hashlimit.c b/net/ipv4/netfilter/ipt_hashlimit.c
index 6b662449e825..3bd2368e1fc9 100644
--- a/net/ipv4/netfilter/ipt_hashlimit.c
+++ b/net/ipv4/netfilter/ipt_hashlimit.c
@@ -454,15 +454,12 @@ hashlimit_match(const struct sk_buff *skb,
                 dh->rateinfo.credit_cap = user2credits(hinfo->cfg.avg * 
                                                         hinfo->cfg.burst);
                 dh->rateinfo.cost = user2credits(hinfo->cfg.avg);
-
-                spin_unlock_bh(&hinfo->lock);
-                return 1;
+        } else {
+                /* update expiration timeout */
+                dh->expires = now + msecs_to_jiffies(hinfo->cfg.expire);
+                rateinfo_recalc(dh, now);
         }
 
-        /* update expiration timeout */
-        dh->expires = now + msecs_to_jiffies(hinfo->cfg.expire);
-
-        rateinfo_recalc(dh, now);
         if (dh->rateinfo.credit >= dh->rateinfo.cost) {
                 /* We're underlimit. */
                 dh->rateinfo.credit -= dh->rateinfo.cost;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 19bd49d69d9f..b873cbcdd0b8 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -3157,7 +3157,7 @@ int __init ip_rt_init(void)
                                         rhash_entries,
                                         (num_physpages >= 128 * 1024) ?
                                         15 : 17,
-                                        HASH_HIGHMEM,
+                                        0,
                                         &rt_hash_log,
                                         &rt_hash_mask,
                                         0);
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 5765f9d03174..7ff2e4273a7c 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -189,7 +189,7 @@ void tcp_slow_start(struct tcp_sock *tp)
                         return;
 
                 /* We MAY increase by 2 if discovered delayed ack */
-                if (sysctl_tcp_abc > 1 && tp->bytes_acked > 2*tp->mss_cache) {
+                if (sysctl_tcp_abc > 1 && tp->bytes_acked >= 2*tp->mss_cache) {
                         if (tp->snd_cwnd < tp->snd_cwnd_clamp)
                                 tp->snd_cwnd++;
                 }
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 104af5d5bcbc..111ff39a08c5 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2505,8 +2505,13 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag)
         if (before(ack, prior_snd_una))
                 goto old_ack;
 
-        if (sysctl_tcp_abc && icsk->icsk_ca_state < TCP_CA_CWR)
-                tp->bytes_acked += ack - prior_snd_una;
+        if (sysctl_tcp_abc) {
+                if (icsk->icsk_ca_state < TCP_CA_CWR)
+                        tp->bytes_acked += ack - prior_snd_una;
+                else if (icsk->icsk_ca_state == TCP_CA_Loss)
+                        /* we assume just one segment left network */
+                        tp->bytes_acked += min(ack - prior_snd_una, tp->mss_cache);
+        }
 
         if (!(flag&FLAG_SLOWPATH) && after(ack, prior_snd_una)) {
                 /* Window is constant, pure forward advance.
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 5c08ea20a18d..b4f3ffe1b3b4 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -201,6 +201,7 @@ void tcp_select_initial_window(int __space, __u32 mss,
                  * See RFC1323 for an explanation of the limit to 14 
                  */
                 space = max_t(u32, sysctl_tcp_rmem[2], sysctl_rmem_max);
+                space = min_t(u32, space, *window_clamp);
                 while (space > 65535 && (*rcv_wscale) < 14) {
                         space >>= 1;
                         (*rcv_wscale)++;
@@ -466,7 +467,8 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
         if (skb->len != tcp_header_size)
                 tcp_event_data_sent(tp, skb, sk);
 
-        TCP_INC_STATS(TCP_MIB_OUTSEGS);
+        if (after(tcb->end_seq, tp->snd_nxt) || tcb->seq == tcb->end_seq)
+                TCP_INC_STATS(TCP_MIB_OUTSEGS);
 
         err = icsk->icsk_af_ops->queue_xmit(skb, 0);
         if (likely(err <= 0))
@@ -2157,10 +2159,9 @@ int tcp_connect(struct sock *sk)
         skb_shinfo(buff)->gso_size = 0;
         skb_shinfo(buff)->gso_type = 0;
         buff->csum = 0;
+        tp->snd_nxt = tp->write_seq;
         TCP_SKB_CB(buff)->seq = tp->write_seq++;
         TCP_SKB_CB(buff)->end_seq = tp->write_seq;
-        tp->snd_nxt = tp->write_seq;
-        tp->pushed_seq = tp->write_seq;
 
         /* Send it off. */
         TCP_SKB_CB(buff)->when = tcp_time_stamp;
@@ -2170,6 +2171,12 @@ int tcp_connect(struct sock *sk)
         sk_charge_skb(sk, buff);
         tp->packets_out += tcp_skb_pcount(buff);
         tcp_transmit_skb(sk, buff, 1, GFP_KERNEL);
+
+        /* We change tp->snd_nxt after the tcp_transmit_skb() call
+         * in order to make this packet get counted in tcpOutSegs.
+         */
+        tp->snd_nxt = tp->write_seq;
+        tp->pushed_seq = tp->write_seq;
         TCP_INC_STATS(TCP_MIB_ACTIVEOPENS);
 
         /* Timer for repeating the SYN until an answer. */
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index b3435324b573..dab37d2f65fc 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -130,11 +130,12 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf,
         error = wait_event_interruptible(tcpw.wait,
                                          __kfifo_len(tcpw.fifo) != 0);
         if (error)
-                return error;
+                goto out_free;
 
         cnt = kfifo_get(tcpw.fifo, tbuf, len);
         error = copy_to_user(buf, tbuf, cnt);
 
+out_free:
         vfree(tbuf);
 
         return error ? error : cnt;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 8ea1e36bf8eb..c7852b38e03e 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -578,6 +578,8 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
         ifa->flags = flags | IFA_F_TENTATIVE;
         ifa->cstamp = ifa->tstamp = jiffies;
 
+        ifa->rt = rt;
+
         ifa->idev = idev;
         in6_dev_hold(idev);
         /* For caller */
@@ -603,8 +605,6 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
         }
 #endif
 
-        ifa->rt = rt;
-
         in6_ifa_hold(ifa);
         write_unlock(&idev->lock);
 out2:
@@ -1909,11 +1909,11 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen,
         ifp = ipv6_add_addr(idev, pfx, plen, scope, ifa_flags);
 
         if (!IS_ERR(ifp)) {
-                spin_lock(&ifp->lock);
+                spin_lock_bh(&ifp->lock);
                 ifp->valid_lft = valid_lft;
                 ifp->prefered_lft = prefered_lft;
                 ifp->tstamp = jiffies;
-                spin_unlock(&ifp->lock);
+                spin_unlock_bh(&ifp->lock);
 
                 addrconf_dad_start(ifp, 0);
                 in6_ifa_put(ifp);
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 1044b6fce0d5..3d6e9a351150 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -712,6 +712,11 @@ discard_it:
         return 0;
 }
 
+/*
+ * Special lock-class for __icmpv6_socket:
+ */
+static struct lock_class_key icmpv6_socket_sk_dst_lock_key;
+
 int __init icmpv6_init(struct net_proto_family *ops)
 {
         struct sock *sk;
@@ -730,6 +735,14 @@ int __init icmpv6_init(struct net_proto_family *ops)
 
                 sk = per_cpu(__icmpv6_socket, i)->sk;
                 sk->sk_allocation = GFP_ATOMIC;
+                /*
+                 * Split off their lock-class, because sk->sk_dst_lock
+                 * gets used from softirqs, which is safe for
+                 * __icmpv6_socket (because those never get directly used
+                 * via userspace syscalls), but unsafe for normal sockets.
+                 */
+                lockdep_set_class(&sk->sk_dst_lock,
+                                  &icmpv6_socket_sk_dst_lock_key);
 
                 /* Enough space for 2 64K ICMP packets, including
                  * sk_buff struct overhead.
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 69451af6abe7..4fb47a252913 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1095,7 +1095,7 @@ alloc_new_skb:
                                 skb_prev->csum = csum_sub(skb_prev->csum,
                                                           skb->csum);
                                 data += fraggap;
-                                skb_trim(skb_prev, maxfraglen);
+                                pskb_trim_unique(skb_prev, maxfraglen);
                         }
                         copy = datalen - transhdrlen - fraggap;
                         if (copy < 0) {
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 9d697d4dcffc..639eb20c9f1f 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -268,13 +268,14 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
                         if ((dev = dev_get_by_index(mc_lst->ifindex)) != NULL) {
                                 struct inet6_dev *idev = in6_dev_get(dev);
 
+                                (void) ip6_mc_leave_src(sk, mc_lst, idev);
                                 if (idev) {
-                                        (void) ip6_mc_leave_src(sk,mc_lst,idev);
                                         __ipv6_dev_mc_dec(idev, &mc_lst->addr);
                                         in6_dev_put(idev);
                                 }
                                 dev_put(dev);
-                        }
+                        } else
+                                (void) ip6_mc_leave_src(sk, mc_lst, NULL);
                         sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
                         return 0;
                 }
@@ -334,13 +335,14 @@ void ipv6_sock_mc_close(struct sock *sk)
                 if (dev) {
                         struct inet6_dev *idev = in6_dev_get(dev);
 
+                        (void) ip6_mc_leave_src(sk, mc_lst, idev);
                         if (idev) {
-                                (void) ip6_mc_leave_src(sk, mc_lst, idev);
                                 __ipv6_dev_mc_dec(idev, &mc_lst->addr);
                                 in6_dev_put(idev);
                         }
                         dev_put(dev);
-                }
+                } else
+                        (void) ip6_mc_leave_src(sk, mc_lst, NULL);
 
                 sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));
 
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index f26898b00347..c9d6b23cd3f7 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1398,23 +1398,39 @@ static int __init ip6_tables_init(void)
 {
         int ret;
 
-        xt_proto_init(AF_INET6);
+        ret = xt_proto_init(AF_INET6);
+        if (ret < 0)
+                goto err1;
 
         /* Noone else will be downing sem now, so we won't sleep */
-        xt_register_target(&ip6t_standard_target);
-        xt_register_target(&ip6t_error_target);
-        xt_register_match(&icmp6_matchstruct);
+        ret = xt_register_target(&ip6t_standard_target);
+        if (ret < 0)
+                goto err2;
+        ret = xt_register_target(&ip6t_error_target);
+        if (ret < 0)
+                goto err3;
+        ret = xt_register_match(&icmp6_matchstruct);
+        if (ret < 0)
+                goto err4;
 
         /* Register setsockopt */
         ret = nf_register_sockopt(&ip6t_sockopts);
-        if (ret < 0) {
-                duprintf("Unable to register sockopts.\n");
-                xt_proto_fini(AF_INET6);
-                return ret;
-        }
+        if (ret < 0)
+                goto err5;
 
         printk("ip6_tables: (C) 2000-2006 Netfilter Core Team\n");
         return 0;
+
+err5:
+        xt_unregister_match(&icmp6_matchstruct);
+err4:
+        xt_unregister_target(&ip6t_error_target);
+err3:
+        xt_unregister_target(&ip6t_standard_target);
+err2:
+        xt_proto_fini(AF_INET6);
+err1:
+        return ret;
 }
 
 static void __exit ip6_tables_fini(void)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 4b163711f3a8..d9baca062d24 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1532,6 +1532,10 @@ int ipv6_route_ioctl(unsigned int cmd, void __user *arg)
 
 static int ip6_pkt_discard(struct sk_buff *skb)
 {
+        int type = ipv6_addr_type(&skb->nh.ipv6h->daddr);
+        if (type == IPV6_ADDR_ANY || type == IPV6_ADDR_RESERVED)
+                IP6_INC_STATS(IPSTATS_MIB_INADDRERRORS);
+
         IP6_INC_STATS(IPSTATS_MIB_OUTNOROUTES);
         icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_NOROUTE, 0, skb->dev);
         kfree_skb(skb);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index b843a650be71..802a1a6b1037 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -944,7 +944,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
          * comment in that function for the gory details. -acme
          */
 
-        sk->sk_gso_type = SKB_GSO_TCPV6;
+        newsk->sk_gso_type = SKB_GSO_TCPV6;
         __ip6_dst_store(newsk, dst, NULL);
 
         newtcp6sk = (struct tcp6_sock *)newsk;
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index aa34ff4b707c..bef3f61569f7 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1642,13 +1642,17 @@ static int ipx_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_ty
         if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
                 goto out;
 
-        ipx             = ipx_hdr(skb);
-        ipx_pktsize     = ntohs(ipx->ipx_pktsize);
+        if (!pskb_may_pull(skb, sizeof(struct ipxhdr)))
+                goto drop;
+
+        ipx_pktsize = ntohs(ipx_hdr(skb)->ipx_pktsize);
         
         /* Too small or invalid header? */
-        if (ipx_pktsize < sizeof(struct ipxhdr) || ipx_pktsize > skb->len)
+        if (ipx_pktsize < sizeof(struct ipxhdr) ||
+            !pskb_may_pull(skb, ipx_pktsize))
                 goto drop;
                         
+        ipx = ipx_hdr(skb);
         if (ipx->ipx_checksum != IPX_NO_CHECKSUM &&
            ipx->ipx_checksum != ipx_cksum(ipx, ipx_pktsize))
                 goto drop;
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index 42eb0c3a9780..61cb8cf7d153 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -330,6 +330,9 @@ static void llc_sap_mcast(struct llc_sap *sap,
                 if (llc->laddr.lsap != laddr->lsap)
                         continue;
 
+                if (llc->dev != skb->dev)
+                        continue;
+
                 skb1 = skb_clone(skb, GFP_ATOMIC);
                 if (!skb1)
                         break;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index af4845971f70..6527d4e048d8 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -429,9 +429,9 @@ ctnetlink_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
                         cb->args[0], *id);
 
         read_lock_bh(&nf_conntrack_lock);
+        last = (struct nf_conn *)cb->args[1];
         for (; cb->args[0] < nf_conntrack_htable_size; cb->args[0]++) {
 restart:
-                last = (struct nf_conn *)cb->args[1];
                 list_for_each_prev(i, &nf_conntrack_hash[cb->args[0]]) {
                         h = (struct nf_conntrack_tuple_hash *) i;
                         if (DIRECTION(h) != IP_CT_DIR_ORIGINAL)
@@ -442,13 +442,10 @@ restart:
                          * then dump everything. */
                         if (l3proto && L3PROTO(ct) != l3proto)
                                 continue;
-                        if (last != NULL) {
-                                if (ct == last) {
-                                        nf_ct_put(last);
-                                        cb->args[1] = 0;
-                                        last = NULL;
-                                } else
+                        if (cb->args[1]) {
+                                if (ct != last)
                                         continue;
+                                cb->args[1] = 0;
                         }
                         if (ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).pid,
                                                 cb->nlh->nlmsg_seq,
@@ -459,17 +456,17 @@ restart:
                                 goto out;
                         }
                 }
-                if (last != NULL) {
-                        nf_ct_put(last);
+                if (cb->args[1]) {
                         cb->args[1] = 0;
                         goto restart;
                 }
         }
 out:
         read_unlock_bh(&nf_conntrack_lock);
+        if (last)
+                nf_ct_put(last);
 
         DEBUGP("leaving, last bucket=%lu id=%u\n", cb->args[0], *id);
-
         return skb->len;
 }
 
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 61cdda4e5d3b..b59d3b2bde21 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -366,6 +366,9 @@ __nfulnl_send(struct nfulnl_instance *inst)
         if (timer_pending(&inst->timer))
                 del_timer(&inst->timer);
 
+        if (!inst->skb)
+                return 0;
+
         if (inst->qlen > 1)
                 inst->lastnlh->nlmsg_type = NLMSG_DONE;
 
diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c
index a9f4f6f3c628..63a965467465 100644
--- a/net/netfilter/xt_physdev.c
+++ b/net/netfilter/xt_physdev.c
@@ -10,6 +10,7 @@
 
 #include <linux/module.h>
 #include <linux/skbuff.h>
+#include <linux/netfilter_bridge.h>
 #include <linux/netfilter/xt_physdev.h>
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter_bridge.h>
diff --git a/net/netfilter/xt_string.c b/net/netfilter/xt_string.c
index d8e3891b5f8b..275330fcdaaa 100644
--- a/net/netfilter/xt_string.c
+++ b/net/netfilter/xt_string.c
@@ -37,7 +37,7 @@ static int match(const struct sk_buff *skb,
 
         return (skb_find_text((struct sk_buff *)skb, conf->from_offset, 
                              conf->to_offset, conf->config, &state) 
-                             != UINT_MAX) && !conf->invert;
+                             != UINT_MAX) ^ conf->invert;
 }
 
 #define STRING_TEXT_PRIV(m) ((struct xt_string_info *) m)
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index b85c1f9f1288..8b85036ba8e3 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1273,8 +1273,7 @@ netlink_kernel_create(int unit, unsigned int groups,
         struct netlink_sock *nlk;
         unsigned long *listeners = NULL;
 
-        if (!nl_table)
-                return NULL;
+        BUG_ON(!nl_table);
 
         if (unit<0 || unit>=MAX_LINKS)
                 return NULL;
@@ -1745,11 +1744,8 @@ static int __init netlink_proto_init(void)
                 netlink_skb_parms_too_large();
 
         nl_table = kcalloc(MAX_LINKS, sizeof(*nl_table), GFP_KERNEL);
-        if (!nl_table) {
-enomem:
-                printk(KERN_CRIT "netlink_init: Cannot allocate nl_table\n");
-                return -ENOMEM;
-        }
+        if (!nl_table)
+                goto panic;
 
         if (num_physpages >= (128 * 1024))
                 max = num_physpages >> (21 - PAGE_SHIFT);
@@ -1769,7 +1765,7 @@ enomem:
                                 nl_pid_hash_free(nl_table[i].hash.table,
                                                  1 * sizeof(*hash->table));
                         kfree(nl_table);
-                        goto enomem;
+                        goto panic;
                 }
                 memset(hash->table, 0, 1 * sizeof(*hash->table));
                 hash->max_shift = order;
@@ -1786,6 +1782,8 @@ enomem:
         rtnetlink_init();
 out:
         return err;
+panic:
+        panic("netlink_init: Cannot allocate nl_table\n");
 }
 
 core_initcall(netlink_proto_init);
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index eea366966740..0a6cfa0005be 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -796,7 +796,7 @@ static int __init init_u32(void)
 {
         printk("u32 classifier\n");
 #ifdef CONFIG_CLS_U32_PERF
-        printk("    Perfomance counters on\n");
+        printk("    Performance counters on\n");
 #endif
 #ifdef CONFIG_NET_CLS_POLICE
         printk("    OLD policer on \n");
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 4f11f5858209..17b509282cf2 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -806,38 +806,26 @@ no_mem:
 
 /* Helper to create ABORT with a SCTP_ERROR_USER_ABORT error.  */
 struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *asoc,
-                                   const struct sctp_chunk *chunk,
-                                   const struct msghdr *msg)
+                                        const struct msghdr *msg,
+                                        size_t paylen)
 {
         struct sctp_chunk *retval;
-        void *payload = NULL, *payoff;
-        size_t paylen = 0;
-        struct iovec *iov = NULL;
-        int iovlen = 0;
-
-        if (msg) {
-                iov = msg->msg_iov;
-                iovlen = msg->msg_iovlen;
-                paylen = get_user_iov_size(iov, iovlen);
-        }
+        void *payload = NULL;
+        int err;
 
-        retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t) + paylen);
+        retval = sctp_make_abort(asoc, NULL, sizeof(sctp_errhdr_t) + paylen);
         if (!retval)
                 goto err_chunk;
 
         if (paylen) {
                 /* Put the msg_iov together into payload.  */
-                payload = kmalloc(paylen, GFP_ATOMIC);
+                payload = kmalloc(paylen, GFP_KERNEL);
                 if (!payload)
                         goto err_payload;
-                payoff = payload;
 
-                for (; iovlen > 0; --iovlen) {
-                        if (copy_from_user(payoff, iov->iov_base,iov->iov_len))
-                                goto err_copy;
-                        payoff += iov->iov_len;
-                        iov++;
-                }
+                err = memcpy_fromiovec(payload, msg->msg_iov, paylen);
+                if (err < 0)
+                        goto err_copy;
         }
 
         sctp_init_cause(retval, SCTP_ERROR_USER_ABORT, payload, paylen);
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index ead3f1b0ea3d..5b5ae7958322 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -4031,18 +4031,12 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort(
          * from its upper layer, but retransmits data to the far end
          * if necessary to fill gaps.
          */
-        struct msghdr *msg = arg;
-        struct sctp_chunk *abort;
+        struct sctp_chunk *abort = arg;
         sctp_disposition_t retval;
 
         retval = SCTP_DISPOSITION_CONSUME;
 
-        /* Generate ABORT chunk to send the peer.  */
-        abort = sctp_make_abort_user(asoc, NULL, msg);
-        if (!abort)
-                retval = SCTP_DISPOSITION_NOMEM;
-        else
-                sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
+        sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
 
         /* Even if we can't send the ABORT due to low memory delete the
          * TCB.  This is a departure from our typical NOMEM handling.
@@ -4166,8 +4160,7 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort(
         void *arg,
         sctp_cmd_seq_t *commands)
 {
-        struct msghdr *msg = arg;
-        struct sctp_chunk *abort;
+        struct sctp_chunk *abort = arg;
         sctp_disposition_t retval;
 
         /* Stop T1-init timer */
@@ -4175,12 +4168,7 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort(
                         SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));
         retval = SCTP_DISPOSITION_CONSUME;
 
-        /* Generate ABORT chunk to send the peer */
-        abort = sctp_make_abort_user(asoc, NULL, msg);
-        if (!abort)
-                retval = SCTP_DISPOSITION_NOMEM;
-        else
-                sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
+        sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
 
         sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
                         SCTP_STATE(SCTP_STATE_CLOSED));
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 54722e622e6d..dab15949958e 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1289,9 +1289,13 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
                         }
                 }
 
-                if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)
-                        sctp_primitive_ABORT(asoc, NULL);
-                else
+                if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) {
+                        struct sctp_chunk *chunk;
+
+                        chunk = sctp_make_abort_user(asoc, NULL, 0);
+                        if (chunk)
+                                sctp_primitive_ABORT(asoc, chunk);
+                } else
                         sctp_primitive_SHUTDOWN(asoc, NULL);
         }
 
@@ -1520,8 +1524,16 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
                         goto out_unlock;
                 }
                 if (sinfo_flags & SCTP_ABORT) {
+                        struct sctp_chunk *chunk;
+
+                        chunk = sctp_make_abort_user(asoc, msg, msg_len);
+                        if (!chunk) {
+                                err = -ENOMEM;
+                                goto out_unlock;
+                        }
+
                         SCTP_DEBUG_PRINTK("Aborting association: %p\n", asoc);
-                        sctp_primitive_ABORT(asoc, msg);
+                        sctp_primitive_ABORT(asoc, chunk);
                         err = 0;
                         goto out_unlock;
                 }
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 4a9aa9393b97..ef1cf5b476c8 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -718,8 +718,7 @@ gss_destroy(struct rpc_auth *auth)
                 auth, auth->au_flavor);
 
         gss_auth = container_of(auth, struct gss_auth, rpc_auth);
-        rpc_unlink(gss_auth->path);
-        dput(gss_auth->dentry);
+        rpc_unlink(gss_auth->dentry);
         gss_auth->dentry = NULL;
         gss_mech_put(gss_auth->mech);
 
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d6409e757219..3e19d321067a 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -183,8 +183,7 @@ rpc_new_client(struct rpc_xprt *xprt, char *servname,
 
 out_no_auth:
         if (!IS_ERR(clnt->cl_dentry)) {
-                rpc_rmdir(clnt->cl_pathname);
-                dput(clnt->cl_dentry);
+                rpc_rmdir(clnt->cl_dentry);
                 rpc_put_mount();
         }
 out_no_path:
@@ -251,10 +250,8 @@ rpc_clone_client(struct rpc_clnt *clnt)
         new->cl_autobind = 0;
         new->cl_oneshot = 0;
         new->cl_dead = 0;
-        if (!IS_ERR(new->cl_dentry)) {
+        if (!IS_ERR(new->cl_dentry))
                 dget(new->cl_dentry);
-                rpc_get_mount();
-        }
         rpc_init_rtt(&new->cl_rtt_default, clnt->cl_xprt->timeout.to_initval);
         if (new->cl_auth)
                 atomic_inc(&new->cl_auth->au_count);
@@ -317,11 +314,15 @@ rpc_destroy_client(struct rpc_clnt *clnt)
                 clnt->cl_auth = NULL;
         }
         if (clnt->cl_parent != clnt) {
+                if (!IS_ERR(clnt->cl_dentry))
+                        dput(clnt->cl_dentry);
                 rpc_destroy_client(clnt->cl_parent);
                 goto out_free;
         }
-        if (clnt->cl_pathname[0])
-                rpc_rmdir(clnt->cl_pathname);
+        if (!IS_ERR(clnt->cl_dentry)) {
+                rpc_rmdir(clnt->cl_dentry);
+                rpc_put_mount();
+        }
         if (clnt->cl_xprt) {
                 xprt_destroy(clnt->cl_xprt);
                 clnt->cl_xprt = NULL;
@@ -331,10 +332,6 @@ rpc_destroy_client(struct rpc_clnt *clnt)
 out_free:
         rpc_free_iostats(clnt->cl_metrics);
         clnt->cl_metrics = NULL;
-        if (!IS_ERR(clnt->cl_dentry)) {
-                dput(clnt->cl_dentry);
-                rpc_put_mount();
-        }
         kfree(clnt);
         return 0;
 }
@@ -1184,6 +1181,17 @@ call_verify(struct rpc_task *task)
         u32     *p = iov->iov_base, n;
         int error = -EACCES;
 
+        if ((task->tk_rqstp->rq_rcv_buf.len & 3) != 0) {
+                /* RFC-1014 says that the representation of XDR data must be a
+                 * multiple of four bytes
+                 * - if it isn't pointer subtraction in the NFS client may give
+                 *   undefined results
+                 */
+                printk(KERN_WARNING
+                       "call_verify: XDR representation not a multiple of"
+                       " 4 bytes: 0x%x\n", task->tk_rqstp->rq_rcv_buf.len);
+                goto out_eio;
+        }
         if ((len -= 3) < 0)
                 goto out_overflow;
         p += 1; /* skip XID */
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index a3bd2db2e024..0b1a1ac8a4bc 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -539,6 +539,7 @@ repeat:
                                 rpc_close_pipes(dentry->d_inode);
                                 simple_unlink(dir, dentry);
                         }
+                        inode_dir_notify(dir, DN_DELETE);
                         dput(dentry);
                 } while (n);
                 goto repeat;
@@ -610,8 +611,8 @@ __rpc_rmdir(struct inode *dir, struct dentry *dentry)
         int error;
 
         shrink_dcache_parent(dentry);
-        if (dentry->d_inode)
-                rpc_close_pipes(dentry->d_inode);
+        if (d_unhashed(dentry))
+                return 0;
         if ((error = simple_rmdir(dir, dentry)) != 0)
                 return error;
         if (!error) {
@@ -684,28 +685,20 @@ err_dput:
 }
 
 int
-rpc_rmdir(char *path)
+rpc_rmdir(struct dentry *dentry)
 {
-        struct nameidata nd;
-        struct dentry *dentry;
+        struct dentry *parent;
         struct inode *dir;
         int error;
 
-        if ((error = rpc_lookup_parent(path, &nd)) != 0)
-                return error;
-        dir = nd.dentry->d_inode;
+        parent = dget_parent(dentry);
+        dir = parent->d_inode;
         mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
-        dentry = lookup_one_len(nd.last.name, nd.dentry, nd.last.len);
-        if (IS_ERR(dentry)) {
-                error = PTR_ERR(dentry);
-                goto out_release;
-        }
         rpc_depopulate(dentry);
         error = __rpc_rmdir(dir, dentry);
         dput(dentry);
-out_release:
         mutex_unlock(&dir->i_mutex);
-        rpc_release_path(&nd);
+        dput(parent);
         return error;
 }
 
@@ -746,32 +739,26 @@ err_dput:
 }
 
 int
-rpc_unlink(char *path)
+rpc_unlink(struct dentry *dentry)
 {
-        struct nameidata nd;
-        struct dentry *dentry;
+        struct dentry *parent;
         struct inode *dir;
-        int error;
+        int error = 0;
 
-        if ((error = rpc_lookup_parent(path, &nd)) != 0)
-                return error;
-        dir = nd.dentry->d_inode;
+        parent = dget_parent(dentry);
+        dir = parent->d_inode;
         mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
-        dentry = lookup_one_len(nd.last.name, nd.dentry, nd.last.len);
-        if (IS_ERR(dentry)) {
-                error = PTR_ERR(dentry);
-                goto out_release;
-        }
-        d_drop(dentry);
-        if (dentry->d_inode) {
-                rpc_close_pipes(dentry->d_inode);
-                error = simple_unlink(dir, dentry);
+        if (!d_unhashed(dentry)) {
+                d_drop(dentry);
+                if (dentry->d_inode) {
+                        rpc_close_pipes(dentry->d_inode);
+                        error = simple_unlink(dir, dentry);
+                }
+                inode_dir_notify(dir, DN_DELETE);
         }
         dput(dentry);
-        inode_dir_notify(dir, DN_DELETE);
-out_release:
         mutex_unlock(&dir->i_mutex);
-        rpc_release_path(&nd);
+        dput(parent);
         return error;
 }
 
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index f35bc676128c..3da67ca2c3ce 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1134,12 +1134,33 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family)
 }
 EXPORT_SYMBOL(__xfrm_route_forward);
 
+/* Optimize later using cookies and generation ids. */
+
 static struct dst_entry *xfrm_dst_check(struct dst_entry *dst, u32 cookie)
 {
-        /* If it is marked obsolete, which is how we even get here,
-         * then we have purged it from the policy bundle list and we
-         * did that for a good reason.
+        /* Code (such as __xfrm4_bundle_create()) sets dst->obsolete
+         * to "-1" to force all XFRM destinations to get validated by
+         * dst_ops->check on every use.  We do this because when a
+         * normal route referenced by an XFRM dst is obsoleted we do
+         * not go looking around for all parent referencing XFRM dsts
+         * so that we can invalidate them.  It is just too much work.
+         * Instead we make the checks here on every use.  For example:
+         *
+         *      XFRM dst A --> IPv4 dst X
+         *
+         * X is the "xdst->route" of A (X is also the "dst->path" of A
+         * in this example).  If X is marked obsolete, "A" will not
+         * notice.  That's what we are validating here via the
+         * stale_bundle() check.
+         *
+         * When a policy's bundle is pruned, we dst_free() the XFRM
+         * dst which causes it's ->obsolete field to be set to a
+         * positive non-zero integer.  If an XFRM dst has been pruned
+         * like this, we want to force a new route lookup.
          */
+        if (dst->obsolete < 0 && !stale_bundle(dst))
+                return dst;
+
         return NULL;
 }