34 files changed, 371 insertions, 135 deletions

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 916061f681b6..68ced4bf158c 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -3,11 +3,20 @@
 #include <linux/if_vlan.h>
 #include "vlan.h"
 
+struct vlan_hwaccel_cb {
+        struct net_device       *dev;
+};
+
+static inline struct vlan_hwaccel_cb *vlan_hwaccel_cb(struct sk_buff *skb)
+{
+        return (struct vlan_hwaccel_cb *)skb->cb;
+}
+
 /* VLAN rx hw acceleration helper.  This acts like netif_{rx,receive_skb}(). */
 int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
                       u16 vlan_tci, int polling)
 {
-        struct net_device_stats *stats;
+        struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb);
 
         if (skb_bond_should_drop(skb)) {
                 dev_kfree_skb_any(skb);
@@ -15,23 +24,35 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
         }
 
         skb->vlan_tci = vlan_tci;
+        cb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
+
+        return (polling ? netif_receive_skb(skb) : netif_rx(skb));
+}
+EXPORT_SYMBOL(__vlan_hwaccel_rx);
+
+int vlan_hwaccel_do_receive(struct sk_buff *skb)
+{
+        struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb);
+        struct net_device *dev = cb->dev;
+        struct net_device_stats *stats;
+
         netif_nit_deliver(skb);
 
-        skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK);
-        if (skb->dev == NULL) {
-                dev_kfree_skb_any(skb);
-                /* Not NET_RX_DROP, this is not being dropped
-                 * due to congestion. */
-                return NET_RX_SUCCESS;
+        if (dev == NULL) {
+                kfree_skb(skb);
+                return -1;
         }
-        skb->dev->last_rx = jiffies;
+
+        skb->dev = dev;
+        skb->priority = vlan_get_ingress_priority(dev, skb->vlan_tci);
         skb->vlan_tci = 0;
 
-        stats = &skb->dev->stats;
+        dev->last_rx = jiffies;
+
+        stats = &dev->stats;
         stats->rx_packets++;
         stats->rx_bytes += skb->len;
 
-        skb->priority = vlan_get_ingress_priority(skb->dev, vlan_tci);
         switch (skb->pkt_type) {
         case PACKET_BROADCAST:
                 break;
@@ -43,13 +64,12 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
                  * This allows the VLAN to have a different MAC than the
                  * underlying device, and still route correctly. */
                 if (!compare_ether_addr(eth_hdr(skb)->h_dest,
-                                        skb->dev->dev_addr))
+                                        dev->dev_addr))
                         skb->pkt_type = PACKET_HOST;
                 break;
         };
-        return (polling ? netif_receive_skb(skb) : netif_rx(skb));
+        return 0;
 }
-EXPORT_SYMBOL(__vlan_hwaccel_rx);
 
 struct net_device *vlan_dev_real_dev(const struct net_device *dev)
 {
diff --git a/net/9p/client.c b/net/9p/client.c
index 67717f69412e..4b529454616d 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -189,6 +189,9 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
                         printk(KERN_ERR "Couldn't grow tag array\n");
                         kfree(req->tc);
                         kfree(req->rc);
+                        kfree(req->wq);
+                        req->tc = req->rc = NULL;
+                        req->wq = NULL;
                         return ERR_PTR(-ENOMEM);
                 }
                 req->tc->sdata = (char *) req->tc + sizeof(struct p9_fcall);
@@ -311,12 +314,6 @@ static void p9_free_req(struct p9_client *c, struct p9_req_t *r)
         r->status = REQ_STATUS_IDLE;
         if (tag != P9_NOTAG && p9_idpool_check(tag, c->tagpool))
                 p9_idpool_put(tag, c->tagpool);
-
-        /* if this was a flush request we have to free response fcall */
-        if (r->rc->id == P9_RFLUSH) {
-                kfree(r->tc);
-                kfree(r->rc);
-        }
 }
 
 /**
@@ -611,19 +608,21 @@ reterr:
 
 static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 {
-        int err;
+        int ret;
         struct p9_fid *fid;
+        unsigned long flags;
 
         P9_DPRINTK(P9_DEBUG_FID, "clnt %p\n", clnt);
         fid = kmalloc(sizeof(struct p9_fid), GFP_KERNEL);
         if (!fid)
                 return ERR_PTR(-ENOMEM);
 
-        fid->fid = p9_idpool_get(clnt->fidpool);
+        ret = p9_idpool_get(clnt->fidpool);
         if (fid->fid < 0) {
-                err = -ENOSPC;
+                ret = -ENOSPC;
                 goto error;
         }
+        fid->fid = ret;
 
         memset(&fid->qid, 0, sizeof(struct p9_qid));
         fid->mode = -1;
@@ -632,27 +631,28 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
         fid->clnt = clnt;
         fid->aux = NULL;
 
-        spin_lock(&clnt->lock);
+        spin_lock_irqsave(&clnt->lock, flags);
         list_add(&fid->flist, &clnt->fidlist);
-        spin_unlock(&clnt->lock);
+        spin_unlock_irqrestore(&clnt->lock, flags);
 
         return fid;
 
 error:
         kfree(fid);
-        return ERR_PTR(err);
+        return ERR_PTR(ret);
 }
 
 static void p9_fid_destroy(struct p9_fid *fid)
 {
         struct p9_client *clnt;
+        unsigned long flags;
 
         P9_DPRINTK(P9_DEBUG_FID, "fid %d\n", fid->fid);
         clnt = fid->clnt;
         p9_idpool_put(fid->fid, clnt->fidpool);
-        spin_lock(&clnt->lock);
+        spin_lock_irqsave(&clnt->lock, flags);
         list_del(&fid->flist);
-        spin_unlock(&clnt->lock);
+        spin_unlock_irqrestore(&clnt->lock, flags);
         kfree(fid);
 }
 
@@ -818,7 +818,9 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
         }
 
         P9_DPRINTK(P9_DEBUG_9P, "<<< RATTACH qid %x.%llx.%x\n",
-                                        qid.type, qid.path, qid.version);
+                                        qid.type,
+                                        (unsigned long long)qid.path,
+                                        qid.version);
 
         memmove(&fid->qid, &qid, sizeof(struct p9_qid));
 
@@ -865,7 +867,9 @@ p9_client_auth(struct p9_client *clnt, char *uname, u32 n_uname, char *aname)
         }
 
         P9_DPRINTK(P9_DEBUG_9P, "<<< RAUTH qid %x.%llx.%x\n",
-                                        qid.type, qid.path, qid.version);
+                                        qid.type,
+                                        (unsigned long long)qid.path,
+                                        qid.version);
 
         memmove(&afid->qid, &qid, sizeof(struct p9_qid));
         p9_free_req(clnt, req);
@@ -930,7 +934,8 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
 
         for (count = 0; count < nwqids; count++)
                 P9_DPRINTK(P9_DEBUG_9P, "<<<     [%d] %x.%llx.%x\n",
-                        count, wqids[count].type, wqids[count].path,
+                        count, wqids[count].type,
+                        (unsigned long long)wqids[count].path,
                         wqids[count].version);
 
         if (nwname)
@@ -980,7 +985,9 @@ int p9_client_open(struct p9_fid *fid, int mode)
         }
 
         P9_DPRINTK(P9_DEBUG_9P, "<<< ROPEN qid %x.%llx.%x iounit %x\n",
-                                qid.type, qid.path, qid.version, iounit);
+                                qid.type,
+                                (unsigned long long)qid.path,
+                                qid.version, iounit);
 
         fid->mode = mode;
         fid->iounit = iounit;
@@ -1023,7 +1030,9 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
         }
 
         P9_DPRINTK(P9_DEBUG_9P, "<<< RCREATE qid %x.%llx.%x iounit %x\n",
-                                qid.type, qid.path, qid.version, iounit);
+                                qid.type,
+                                (unsigned long long)qid.path,
+                                qid.version, iounit);
 
         fid->mode = mode;
         fid->iounit = iounit;
@@ -1230,9 +1239,9 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
                 "<<<    name=%s uid=%s gid=%s muid=%s extension=(%s)\n"
                 "<<<    uid=%d gid=%d n_muid=%d\n",
                 ret->size, ret->type, ret->dev, ret->qid.type,
-                ret->qid.path, ret->qid.version, ret->mode,
-                ret->atime, ret->mtime, ret->length, ret->name,
-                ret->uid, ret->gid, ret->muid, ret->extension,
+                (unsigned long long)ret->qid.path, ret->qid.version, ret->mode,
+                ret->atime, ret->mtime, (unsigned long long)ret->length,
+                ret->name, ret->uid, ret->gid, ret->muid, ret->extension,
                 ret->n_uid, ret->n_gid, ret->n_muid);
 
 free_and_error:
@@ -1255,9 +1264,9 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
                 "     name=%s uid=%s gid=%s muid=%s extension=(%s)\n"
                 "     uid=%d gid=%d n_muid=%d\n",
                 wst->size, wst->type, wst->dev, wst->qid.type,
-                wst->qid.path, wst->qid.version, wst->mode,
-                wst->atime, wst->mtime, wst->length, wst->name,
-                wst->uid, wst->gid, wst->muid, wst->extension,
+                (unsigned long long)wst->qid.path, wst->qid.version, wst->mode,
+                wst->atime, wst->mtime, (unsigned long long)wst->length,
+                wst->name, wst->uid, wst->gid, wst->muid, wst->extension,
                 wst->n_uid, wst->n_gid, wst->n_muid);
         err = 0;
         clnt = fid->clnt;
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 8d6cc4777aae..2f1fe5fc1228 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -45,7 +45,6 @@
 #include <net/9p/transport.h>
 #include <rdma/ib_verbs.h>
 #include <rdma/rdma_cm.h>
-#include <rdma/ib_verbs.h>
 
 #define P9_PORT                 5640
 #define P9_RDMA_SQ_DEPTH        32
@@ -589,6 +588,9 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
         if (IS_ERR(rdma->cm_id))
                 goto error;
 
+        /* Associate the client with the transport */
+        client->trans = rdma;
+
         /* Resolve the server's address */
         rdma->addr.sin_family = AF_INET;
         rdma->addr.sin_addr.s_addr = in_aton(addr);
@@ -669,7 +671,6 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
         if (err || (rdma->state != P9_RDMA_CONNECTED))
                 goto error;
 
-        client->trans = rdma;
         client->status = Connected;
 
         return 0;
diff --git a/net/core/dev.c b/net/core/dev.c
index d9038e328cc1..9174c77d3112 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2218,6 +2218,9 @@ int netif_receive_skb(struct sk_buff *skb)
         int ret = NET_RX_DROP;
         __be16 type;
 
+        if (skb->vlan_tci && vlan_hwaccel_do_receive(skb))
+                return NET_RX_SUCCESS;
+
         /* if we've gotten here through NAPI, check netpoll */
         if (netpoll_receive_skb(skb))
                 return NET_RX_DROP;
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index f1d07b5c1e17..1895a4ca9c4f 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -325,6 +325,38 @@ void unregister_pernet_subsys(struct pernet_operations *module)
 }
 EXPORT_SYMBOL_GPL(unregister_pernet_subsys);
 
+int register_pernet_gen_subsys(int *id, struct pernet_operations *ops)
+{
+        int rv;
+
+        mutex_lock(&net_mutex);
+again:
+        rv = ida_get_new_above(&net_generic_ids, 1, id);
+        if (rv < 0) {
+                if (rv == -EAGAIN) {
+                        ida_pre_get(&net_generic_ids, GFP_KERNEL);
+                        goto again;
+                }
+                goto out;
+        }
+        rv = register_pernet_operations(first_device, ops);
+        if (rv < 0)
+                ida_remove(&net_generic_ids, *id);
+        mutex_unlock(&net_mutex);
+out:
+        return rv;
+}
+EXPORT_SYMBOL_GPL(register_pernet_gen_subsys);
+
+void unregister_pernet_gen_subsys(int id, struct pernet_operations *ops)
+{
+        mutex_lock(&net_mutex);
+        unregister_pernet_operations(ops);
+        ida_remove(&net_generic_ids, id);
+        mutex_unlock(&net_mutex);
+}
+EXPORT_SYMBOL_GPL(unregister_pernet_gen_subsys);
+
 /**
  *      register_pernet_device - register a network namespace device
  *      @ops:  pernet operations structure for the subsystem
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 99f656d35b4f..a47f5bad110d 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1973,28 +1973,27 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
 
         /* make sure that we don't pick a non-existing transmit queue */
         ntxq = pkt_dev->odev->real_num_tx_queues;
-        if (ntxq <= num_online_cpus() && (pkt_dev->flags & F_QUEUE_MAP_CPU)) {
+        if (ntxq > num_online_cpus() && (pkt_dev->flags & F_QUEUE_MAP_CPU)) {
                 printk(KERN_WARNING "pktgen: WARNING: QUEUE_MAP_CPU "
-                       "disabled because CPU count (%d) exceeds number ",
-                       num_online_cpus());
-                printk(KERN_WARNING "pktgen: WARNING: of tx queues "
-                       "(%d) on %s \n", ntxq, pkt_dev->odev->name);
+                       "disabled because CPU count (%d) exceeds number "
+                       "of tx queues (%d) on %s\n", num_online_cpus(), ntxq,
+                       pkt_dev->odev->name);
                 pkt_dev->flags &= ~F_QUEUE_MAP_CPU;
         }
         if (ntxq <= pkt_dev->queue_map_min) {
                 printk(KERN_WARNING "pktgen: WARNING: Requested "
-                       "queue_map_min (%d) exceeds number of tx\n",
-                       pkt_dev->queue_map_min);
-                printk(KERN_WARNING "pktgen: WARNING: queues (%d) on "
-                       "%s, resetting\n", ntxq, pkt_dev->odev->name);
+                       "queue_map_min (zero-based) (%d) exceeds valid range "
+                       "[0 - %d] for (%d) queues on %s, resetting\n",
+                       pkt_dev->queue_map_min, (ntxq ?: 1)- 1, ntxq,
+                       pkt_dev->odev->name);
                 pkt_dev->queue_map_min = ntxq - 1;
         }
-        if (ntxq <= pkt_dev->queue_map_max) {
+        if (pkt_dev->queue_map_max >= ntxq) {
                 printk(KERN_WARNING "pktgen: WARNING: Requested "
-                       "queue_map_max (%d) exceeds number of tx\n",
-                       pkt_dev->queue_map_max);
-                printk(KERN_WARNING "pktgen: WARNING: queues (%d) on "
-                       "%s, resetting\n", ntxq, pkt_dev->odev->name);
+                       "queue_map_max (zero-based) (%d) exceeds valid range "
+                       "[0 - %d] for (%d) queues on %s, resetting\n",
+                       pkt_dev->queue_map_max, (ntxq ?: 1)- 1, ntxq,
+                       pkt_dev->odev->name);
                 pkt_dev->queue_map_max = ntxq - 1;
         }
 
diff --git a/net/core/scm.c b/net/core/scm.c
index 10f5c65f6a47..ab242cc1acca 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -75,6 +75,7 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp)
                 if (!fpl)
                         return -ENOMEM;
                 *fplp = fpl;
+                INIT_LIST_HEAD(&fpl->list);
                 fpl->count = 0;
         }
         fpp = &fpl->fp[fpl->count];
@@ -106,9 +107,25 @@ void __scm_destroy(struct scm_cookie *scm)
 
         if (fpl) {
                 scm->fp = NULL;
-                for (i=fpl->count-1; i>=0; i--)
-                        fput(fpl->fp[i]);
-                kfree(fpl);
+                if (current->scm_work_list) {
+                        list_add_tail(&fpl->list, current->scm_work_list);
+                } else {
+                        LIST_HEAD(work_list);
+
+                        current->scm_work_list = &work_list;
+
+                        list_add(&fpl->list, &work_list);
+                        while (!list_empty(&work_list)) {
+                                fpl = list_first_entry(&work_list, struct scm_fp_list, list);
+
+                                list_del(&fpl->list);
+                                for (i=fpl->count-1; i>=0; i--)
+                                        fput(fpl->fp[i]);
+                                kfree(fpl);
+                        }
+
+                        current->scm_work_list = NULL;
+                }
         }
 }
 
@@ -284,6 +301,7 @@ struct scm_fp_list *scm_fp_dup(struct scm_fp_list *fpl)
 
         new_fpl = kmalloc(sizeof(*fpl), GFP_KERNEL);
         if (new_fpl) {
+                INIT_LIST_HEAD(&new_fpl->list);
                 for (i=fpl->count-1; i>=0; i--)
                         get_file(fpl->fp[i]);
                 memcpy(new_fpl, fpl, sizeof(*fpl));
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4e22e3a35359..ebb6b94f8af2 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -449,6 +449,18 @@ void kfree_skb(struct sk_buff *skb)
         __kfree_skb(skb);
 }
 
+/**
+ *      skb_recycle_check - check if skb can be reused for receive
+ *      @skb: buffer
+ *      @skb_size: minimum receive buffer size
+ *
+ *      Checks that the skb passed in is not shared or cloned, and
+ *      that it is linear and its head portion at least as large as
+ *      skb_size so that it can be recycled as a receive buffer.
+ *      If these conditions are met, this function does any necessary
+ *      reference count dropping and cleans up the skbuff as if it
+ *      just came from __alloc_skb().
+ */
 int skb_recycle_check(struct sk_buff *skb, int skb_size)
 {
         struct skb_shared_info *shinfo;
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 490e035c6d90..2e78f6bd9775 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -2063,9 +2063,10 @@ int cipso_v4_skbuff_setattr(struct sk_buff *skb,
         u32 opt_len;
         int len_delta;
 
-        buf_len = cipso_v4_genopt(buf, buf_len, doi_def, secattr);
-        if (buf_len < 0)
-                return buf_len;
+        ret_val = cipso_v4_genopt(buf, buf_len, doi_def, secattr);
+        if (ret_val < 0)
+                return ret_val;
+        buf_len = ret_val;
         opt_len = (buf_len + 3) & ~3;
 
         /* we overwrite any existing options to ensure that we have enough
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index eccb7165a80c..c5aca0bb116a 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1374,8 +1374,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                             sk->sk_state == TCP_CLOSE ||
                             (sk->sk_shutdown & RCV_SHUTDOWN) ||
                             !timeo ||
-                            signal_pending(current) ||
-                            (flags & MSG_PEEK))
+                            signal_pending(current))
                                 break;
                 } else {
                         if (sock_flag(sk, SOCK_DONE))
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index e4c5ac9fe89b..ba85d8831893 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2279,6 +2279,11 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
         }
 
         memset(&opts, 0, sizeof(opts));
+#ifdef CONFIG_SYN_COOKIES
+        if (unlikely(req->cookie_ts))
+                TCP_SKB_CB(skb)->when = cookie_init_timestamp(req);
+        else
+#endif
         TCP_SKB_CB(skb)->when = tcp_time_stamp;
         tcp_header_size = tcp_synack_options(sk, req, mss,
                                              skb, &opts, &md5) +
@@ -2304,11 +2309,6 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 
         /* RFC1323: The window in SYN & SYN/ACK segments is never scaled. */
         th->window = htons(min(req->rcv_wnd, 65535U));
-#ifdef CONFIG_SYN_COOKIES
-        if (unlikely(req->cookie_ts))
-                TCP_SKB_CB(skb)->when = cookie_init_timestamp(req);
-        else
-#endif
         tcp_options_write((__be32 *)(th + 1), tp, &opts, &md5_hash_location);
         th->doff = (tcp_header_size >> 2);
         TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTSEGS);
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 2095abc3caba..cf02701ced48 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -284,7 +284,7 @@ struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport,
 }
 EXPORT_SYMBOL_GPL(udp4_lib_lookup);
 
-static inline struct sock *udp_v4_mcast_next(struct sock *sk,
+static inline struct sock *udp_v4_mcast_next(struct net *net, struct sock *sk,
                                              __be16 loc_port, __be32 loc_addr,
                                              __be16 rmt_port, __be32 rmt_addr,
                                              int dif)
@@ -296,7 +296,8 @@ static inline struct sock *udp_v4_mcast_next(struct sock *sk,
         sk_for_each_from(s, node) {
                 struct inet_sock *inet = inet_sk(s);
 
-                if (s->sk_hash != hnum                                  ||
+                if (!net_eq(sock_net(s), net)                           ||
+                    s->sk_hash != hnum                                  ||
                     (inet->daddr && inet->daddr != rmt_addr)            ||
                     (inet->dport != rmt_port && inet->dport)            ||
                     (inet->rcv_saddr && inet->rcv_saddr != loc_addr)    ||
@@ -1079,15 +1080,16 @@ static int __udp4_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
         read_lock(&udp_hash_lock);
         sk = sk_head(&udptable[udp_hashfn(net, ntohs(uh->dest))]);
         dif = skb->dev->ifindex;
-        sk = udp_v4_mcast_next(sk, uh->dest, daddr, uh->source, saddr, dif);
+        sk = udp_v4_mcast_next(net, sk, uh->dest, daddr, uh->source, saddr, dif);
         if (sk) {
                 struct sock *sknext = NULL;
 
                 do {
                         struct sk_buff *skb1 = skb;
 
-                        sknext = udp_v4_mcast_next(sk_next(sk), uh->dest, daddr,
-                                                   uh->source, saddr, dif);
+                        sknext = udp_v4_mcast_next(net, sk_next(sk), uh->dest,
+                                                   daddr, uh->source, saddr,
+                                                   dif);
                         if (sknext)
                                 skb1 = skb_clone(skb, GFP_ATOMIC);
 
diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index 07735ed280d7..55dc6beab9aa 100644
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -33,6 +33,7 @@ __xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,
         x->sel.dport_mask = htons(0xffff);
         x->sel.sport = xfrm_flowi_sport(fl);
         x->sel.sport_mask = htons(0xffff);
+        x->sel.family = AF_INET;
         x->sel.prefixlen_d = 32;
         x->sel.prefixlen_s = 32;
         x->sel.proto = fl->proto;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index eea9542728ca..d9da5eb9dcb2 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2483,8 +2483,10 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
                         if (!idev && dev->mtu >= IPV6_MIN_MTU)
                                 idev = ipv6_add_dev(dev);
 
-                        if (idev)
+                        if (idev) {
                                 idev->if_flags |= IF_READY;
+                                run_pending = 1;
+                        }
                 } else {
                         if (!addrconf_qdisc_ok(dev)) {
                                 /* device is still not ready. */
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index e51da8c092fa..8b48512ebf6a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -138,6 +138,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
         int peeked;
         int err;
         int is_udplite = IS_UDPLITE(sk);
+        int is_udp4;
 
         if (addr_len)
                 *addr_len=sizeof(struct sockaddr_in6);
@@ -158,6 +159,8 @@ try_again:
         else if (copied < ulen)
                 msg->msg_flags |= MSG_TRUNC;
 
+        is_udp4 = (skb->protocol == htons(ETH_P_IP));
+
         /*
          * If checksum is needed at all, try to do it while copying the
          * data.  If the data is truncated, or if we only want a partial
@@ -180,9 +183,14 @@ try_again:
         if (err)
                 goto out_free;
 
-        if (!peeked)
-                UDP6_INC_STATS_USER(sock_net(sk),
-                                UDP_MIB_INDATAGRAMS, is_udplite);
+        if (!peeked) {
+                if (is_udp4)
+                        UDP_INC_STATS_USER(sock_net(sk),
+                                        UDP_MIB_INDATAGRAMS, is_udplite);
+                else
+                        UDP6_INC_STATS_USER(sock_net(sk),
+                                        UDP_MIB_INDATAGRAMS, is_udplite);
+        }
 
         sock_recv_timestamp(msg, sk, skb);
 
@@ -196,7 +204,7 @@ try_again:
                 sin6->sin6_flowinfo = 0;
                 sin6->sin6_scope_id = 0;
 
-                if (skb->protocol == htons(ETH_P_IP))
+                if (is_udp4)
                         ipv6_addr_set(&sin6->sin6_addr, 0, 0,
                                       htonl(0xffff), ip_hdr(skb)->saddr);
                 else {
@@ -207,7 +215,7 @@ try_again:
                 }
 
         }
-        if (skb->protocol == htons(ETH_P_IP)) {
+        if (is_udp4) {
                 if (inet->cmsg_flags)
                         ip_cmsg_recv(msg, skb);
         } else {
@@ -228,8 +236,14 @@ out:
 
 csum_copy_err:
         lock_sock(sk);
-        if (!skb_kill_datagram(sk, skb, flags))
-                UDP6_INC_STATS_USER(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
+        if (!skb_kill_datagram(sk, skb, flags)) {
+                if (is_udp4)
+                        UDP_INC_STATS_USER(sock_net(sk),
+                                        UDP_MIB_INERRORS, is_udplite);
+                else
+                        UDP6_INC_STATS_USER(sock_net(sk),
+                                        UDP_MIB_INERRORS, is_udplite);
+        }
         release_sock(sk);
 
         if (flags & MSG_DONTWAIT)
@@ -328,7 +342,7 @@ drop:
         return -1;
 }
 
-static struct sock *udp_v6_mcast_next(struct sock *sk,
+static struct sock *udp_v6_mcast_next(struct net *net, struct sock *sk,
                                       __be16 loc_port, struct in6_addr *loc_addr,
                                       __be16 rmt_port, struct in6_addr *rmt_addr,
                                       int dif)
@@ -340,7 +354,7 @@ static struct sock *udp_v6_mcast_next(struct sock *sk,
         sk_for_each_from(s, node) {
                 struct inet_sock *inet = inet_sk(s);
 
-                if (sock_net(s) != sock_net(sk))
+                if (!net_eq(sock_net(s), net))
                         continue;
 
                 if (s->sk_hash == num && s->sk_family == PF_INET6) {
@@ -383,14 +397,14 @@ static int __udp6_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
         read_lock(&udp_hash_lock);
         sk = sk_head(&udptable[udp_hashfn(net, ntohs(uh->dest))]);
         dif = inet6_iif(skb);
-        sk = udp_v6_mcast_next(sk, uh->dest, daddr, uh->source, saddr, dif);
+        sk = udp_v6_mcast_next(net, sk, uh->dest, daddr, uh->source, saddr, dif);
         if (!sk) {
                 kfree_skb(skb);
                 goto out;
         }
 
         sk2 = sk;
-        while ((sk2 = udp_v6_mcast_next(sk_next(sk2), uh->dest, daddr,
+        while ((sk2 = udp_v6_mcast_next(net, sk_next(sk2), uh->dest, daddr,
                                         uh->source, saddr, dif))) {
                 struct sk_buff *buff = skb_clone(skb, GFP_ATOMIC);
                 if (buff) {
diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c
index 89884a4f23aa..60c78cfc2737 100644
--- a/net/ipv6/xfrm6_state.c
+++ b/net/ipv6/xfrm6_state.c
@@ -34,6 +34,7 @@ __xfrm6_init_tempsel(struct xfrm_state *x, struct flowi *fl,
         x->sel.dport_mask = htons(0xffff);
         x->sel.sport = xfrm_flowi_sport(fl);
         x->sel.sport_mask = htons(0xffff);
+        x->sel.family = AF_INET6;
         x->sel.prefixlen_d = 128;
         x->sel.prefixlen_s = 128;
         x->sel.proto = fl->proto;
diff --git a/net/key/af_key.c b/net/key/af_key.c
index e55e0441e4d9..3440a4637f01 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2075,7 +2075,6 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
                         req_size += socklen * 2;
                 } else {
                         size -= 2*socklen;
-                        socklen = 0;
                 }
                 rq = (void*)skb_put(skb, req_size);
                 pol->sadb_x_policy_len += req_size/8;
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c
index 0b024cd6b809..98f480708050 100644
--- a/net/mac80211/rc80211_minstrel_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_debugfs.c
@@ -94,8 +94,8 @@ minstrel_stats_open(struct inode *inode, struct file *file)
                                 prob / 10, prob % 10,
                                 mr->last_success,
                                 mr->last_attempts,
-                                mr->succ_hist,
-                                mr->att_hist);
+                                (unsigned long long)mr->succ_hist,
+                                (unsigned long long)mr->att_hist);
         }
         p += sprintf(p, "\nTotal packet count::    ideal %d      "
                         "lookaround %d\n\n",
@@ -106,7 +106,7 @@ minstrel_stats_open(struct inode *inode, struct file *file)
         return 0;
 }
 
-static int
+static ssize_t
 minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *o)
 {
         struct minstrel_stats_info *ms;
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 9c06b9f86ad4..c39b6a994133 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -21,6 +21,7 @@
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/rculist.h>
+#include <linux/rtnetlink.h>
 
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_l3proto.h>
@@ -167,10 +168,12 @@ void nf_conntrack_helper_unregister(struct nf_conntrack_helper *me)
          */
         synchronize_rcu();
 
+        rtnl_lock();
         spin_lock_bh(&nf_conntrack_lock);
         for_each_net(net)
                 __nf_conntrack_helper_unregister(me, net);
         spin_unlock_bh(&nf_conntrack_lock);
+        rtnl_unlock();
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_helper_unregister);
 
diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c
index a59a307e685d..592d73344d46 100644
--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -22,6 +22,7 @@
 #include <linux/notifier.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
 
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_l3proto.h>
@@ -221,8 +222,10 @@ void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto)
         synchronize_rcu();
 
         /* Remove all contrack entries for this protocol */
+        rtnl_lock();
         for_each_net(net)
                 nf_ct_iterate_cleanup(net, kill_l3proto, proto);
+        rtnl_unlock();
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_l3proto_unregister);
 
@@ -333,8 +336,10 @@ void nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *l4proto)
         synchronize_rcu();
 
         /* Remove all contrack entries for this protocol */
+        rtnl_lock();
         for_each_net(net)
                 nf_ct_iterate_cleanup(net, kill_l4proto, l4proto);
+        rtnl_unlock();
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_unregister);
 
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index a2cdbcbf64c4..4ab62ad85dd4 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -335,7 +335,7 @@ static int __init nf_ct_proto_gre_init(void)
         rv = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_gre4);
         if (rv < 0)
                 return rv;
-        rv = register_pernet_gen_device(&proto_gre_net_id, &proto_gre_net_ops);
+        rv = register_pernet_gen_subsys(&proto_gre_net_id, &proto_gre_net_ops);
         if (rv < 0)
                 nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_gre4);
         return rv;
@@ -344,7 +344,7 @@ static int __init nf_ct_proto_gre_init(void)
 static void nf_ct_proto_gre_fini(void)
 {
         nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_gre4);
-        unregister_pernet_gen_device(proto_gre_net_id, &proto_gre_net_ops);
+        unregister_pernet_gen_subsys(proto_gre_net_id, &proto_gre_net_ops);
 }
 
 module_init(nf_ct_proto_gre_init);
diff --git a/net/netlabel/netlabel_addrlist.c b/net/netlabel/netlabel_addrlist.c
index b0925a303353..249f6b92f153 100644
--- a/net/netlabel/netlabel_addrlist.c
+++ b/net/netlabel/netlabel_addrlist.c
@@ -315,6 +315,7 @@ struct netlbl_af6list *netlbl_af6list_remove(const struct in6_addr *addr,
  * Audit Helper Functions
  */
 
+#ifdef CONFIG_AUDIT
 /**
  * netlbl_af4list_audit_addr - Audit an IPv4 address
  * @audit_buf: audit buffer
@@ -386,3 +387,4 @@ void netlbl_af6list_audit_addr(struct audit_buffer *audit_buf,
         }
 }
 #endif /* IPv6 */
+#endif /* CONFIG_AUDIT */
diff --git a/net/netlabel/netlabel_addrlist.h b/net/netlabel/netlabel_addrlist.h
index 0242bead405f..07ae7fd82be1 100644
--- a/net/netlabel/netlabel_addrlist.h
+++ b/net/netlabel/netlabel_addrlist.h
@@ -120,9 +120,19 @@ struct netlbl_af4list *netlbl_af4list_search(__be32 addr,
 struct netlbl_af4list *netlbl_af4list_search_exact(__be32 addr,
                                                    __be32 mask,
                                                    struct list_head *head);
+
+#ifdef CONFIG_AUDIT
 void netlbl_af4list_audit_addr(struct audit_buffer *audit_buf,
                                int src, const char *dev,
                                __be32 addr, __be32 mask);
+#else
+static inline void netlbl_af4list_audit_addr(struct audit_buffer *audit_buf,
+                                             int src, const char *dev,
+                                             __be32 addr, __be32 mask)
+{
+        return;
+}
+#endif
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 
@@ -179,11 +189,23 @@ struct netlbl_af6list *netlbl_af6list_search(const struct in6_addr *addr,
 struct netlbl_af6list *netlbl_af6list_search_exact(const struct in6_addr *addr,
                                                    const struct in6_addr *mask,
                                                    struct list_head *head);
+
+#ifdef CONFIG_AUDIT
 void netlbl_af6list_audit_addr(struct audit_buffer *audit_buf,
                                int src,
                                const char *dev,
                                const struct in6_addr *addr,
                                const struct in6_addr *mask);
+#else
+static inline void netlbl_af6list_audit_addr(struct audit_buffer *audit_buf,
+                                             int src,
+                                             const char *dev,
+                                             const struct in6_addr *addr,
+                                             const struct in6_addr *mask)
+{
+        return;
+}
+#endif
 #endif /* IPV6 */
 
 #endif
diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c
index ee769ecaa13c..0a0ef17b2a40 100644
--- a/net/netlabel/netlabel_mgmt.c
+++ b/net/netlabel/netlabel_mgmt.c
@@ -265,7 +265,7 @@ add_failure:
 static int netlbl_mgmt_listentry(struct sk_buff *skb,
                                  struct netlbl_dom_map *entry)
 {
-        int ret_val;
+        int ret_val = 0;
         struct nlattr *nla_a;
         struct nlattr *nla_b;
         struct netlbl_af4list *iter4;
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index b9d97effebe3..defeb7a0d502 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -261,6 +261,8 @@ static inline int can_respond(struct sk_buff *skb)
                 return 0; /* we are not the destination */
         if (ph->pn_res == PN_PREFIX && !pskb_may_pull(skb, 5))
                 return 0;
+        if (ph->pn_res == PN_COMMGR) /* indications */
+                return 0;
 
         ph = pn_hdr(skb); /* re-acquires the pointer */
         pm = pn_msg(skb);
@@ -309,7 +311,8 @@ static int send_reset_indications(struct sk_buff *rskb)
 
         return pn_raw_send(data, sizeof(data), rskb->dev,
                                 pn_object(oph->pn_sdev, 0x00),
-                                pn_object(oph->pn_rdev, oph->pn_robj), 0x10);
+                                pn_object(oph->pn_rdev, oph->pn_robj),
+                                PN_COMMGR);
 }
 
 
diff --git a/net/rfkill/rfkill-input.c b/net/rfkill/rfkill-input.c
index 21124ec0a73d..bfdade72e066 100644
--- a/net/rfkill/rfkill-input.c
+++ b/net/rfkill/rfkill-input.c
@@ -256,6 +256,11 @@ static struct input_handler rfkill_handler = {
 
 static int __init rfkill_handler_init(void)
 {
+        unsigned long last_run = jiffies - msecs_to_jiffies(500);
+        rfkill_wlan.last = last_run;
+        rfkill_bt.last = last_run;
+        rfkill_uwb.last = last_run;
+        rfkill_wimax.last = last_run;
         return input_register_handler(&rfkill_handler);
 }
 
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index f949a482b007..25ba3bd57e66 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -603,7 +603,7 @@ static int rfkill_check_duplicity(const struct rfkill *rfkill)
         }
 
         /* 0: first switch of its kind */
-        return test_bit(rfkill->type, seen);
+        return (test_bit(rfkill->type, seen)) ? 1 : 0;
 }
 
 static int rfkill_add_switch(struct rfkill *rfkill)
diff --git a/net/socket.c b/net/socket.c
index 2b7a4b5c9b72..57550c3bcabe 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -990,7 +990,6 @@ static int sock_close(struct inode *inode, struct file *filp)
                 printk(KERN_DEBUG "sock_close: NULL inode\n");
                 return 0;
         }
-        sock_fasync(-1, filp, 0);
         sock_release(SOCKET_I(inode));
         return 0;
 }
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 436bf1b4b76c..cb216b2df666 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -228,19 +228,21 @@ static int
 rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
 {
         spinlock_t *cache_lock;
-        struct rpc_cred *cred;
+        struct rpc_cred *cred, *next;
         unsigned long expired = jiffies - RPC_AUTH_EXPIRY_MORATORIUM;
 
-        while (!list_empty(&cred_unused)) {
-                cred = list_entry(cred_unused.next, struct rpc_cred, cr_lru);
+        list_for_each_entry_safe(cred, next, &cred_unused, cr_lru) {
+
+                /* Enforce a 60 second garbage collection moratorium */
+                if (time_in_range(cred->cr_expire, expired, jiffies) &&
+                    test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0)
+                        continue;
+
                 list_del_init(&cred->cr_lru);
                 number_cred_unused--;
                 if (atomic_read(&cred->cr_count) != 0)
                         continue;
-                /* Enforce a 5 second garbage collection moratorium */
-                if (time_in_range(cred->cr_expire, expired, jiffies) &&
-                    test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) != 0)
-                        continue;
+
                 cache_lock = &cred->cr_auth->au_credcache->lock;
                 spin_lock(cache_lock);
                 if (atomic_read(&cred->cr_count) == 0) {
@@ -453,7 +455,7 @@ need_lock:
         }
         if (test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) == 0)
                 rpcauth_unhash_cred(cred);
-        else if (test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0) {
+        if (test_bit(RPCAUTH_CRED_HASHED, &cred->cr_flags) != 0) {
                 cred->cr_expire = jiffies;
                 list_add_tail(&cred->cr_lru, &cred_unused);
                 number_cred_unused++;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 9a288d5eea64..0a50361e3d83 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -249,6 +249,7 @@ struct sock_xprt {
         void                    (*old_data_ready)(struct sock *, int);
         void                    (*old_state_change)(struct sock *);
         void                    (*old_write_space)(struct sock *);
+        void                    (*old_error_report)(struct sock *);
 };
 
 /*
@@ -698,8 +699,9 @@ static int xs_tcp_send_request(struct rpc_task *task)
         case -EAGAIN:
                 xs_nospace(task);
                 break;
-        case -ECONNREFUSED:
         case -ECONNRESET:
+                xs_tcp_shutdown(xprt);
+        case -ECONNREFUSED:
         case -ENOTCONN:
         case -EPIPE:
                 status = -ENOTCONN;
@@ -742,6 +744,22 @@ out_release:
         xprt_release_xprt(xprt, task);
 }
 
+static void xs_save_old_callbacks(struct sock_xprt *transport, struct sock *sk)
+{
+        transport->old_data_ready = sk->sk_data_ready;
+        transport->old_state_change = sk->sk_state_change;
+        transport->old_write_space = sk->sk_write_space;
+        transport->old_error_report = sk->sk_error_report;
+}
+
+static void xs_restore_old_callbacks(struct sock_xprt *transport, struct sock *sk)
+{
+        sk->sk_data_ready = transport->old_data_ready;
+        sk->sk_state_change = transport->old_state_change;
+        sk->sk_write_space = transport->old_write_space;
+        sk->sk_error_report = transport->old_error_report;
+}
+
 /**
  * xs_close - close a socket
  * @xprt: transport
@@ -765,9 +783,8 @@ static void xs_close(struct rpc_xprt *xprt)
         transport->sock = NULL;
 
         sk->sk_user_data = NULL;
-        sk->sk_data_ready = transport->old_data_ready;
-        sk->sk_state_change = transport->old_state_change;
-        sk->sk_write_space = transport->old_write_space;
+
+        xs_restore_old_callbacks(transport, sk);
         write_unlock_bh(&sk->sk_callback_lock);
 
         sk->sk_no_check = 0;
@@ -1180,6 +1197,28 @@ static void xs_tcp_state_change(struct sock *sk)
 }
 
 /**
+ * xs_tcp_error_report - callback mainly for catching RST events
+ * @sk: socket
+ */
+static void xs_tcp_error_report(struct sock *sk)
+{
+        struct rpc_xprt *xprt;
+
+        read_lock(&sk->sk_callback_lock);
+        if (sk->sk_err != ECONNRESET || sk->sk_state != TCP_ESTABLISHED)
+                goto out;
+        if (!(xprt = xprt_from_sock(sk)))
+                goto out;
+        dprintk("RPC:       %s client %p...\n"
+                        "RPC:       error %d\n",
+                        __func__, xprt, sk->sk_err);
+
+        xprt_force_disconnect(xprt);
+out:
+        read_unlock(&sk->sk_callback_lock);
+}
+
+/**
  * xs_udp_write_space - callback invoked when socket buffer space
  *                             becomes available
  * @sk: socket whose state has changed
@@ -1454,10 +1493,9 @@ static void xs_udp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 
                 write_lock_bh(&sk->sk_callback_lock);
 
+                xs_save_old_callbacks(transport, sk);
+
                 sk->sk_user_data = xprt;
-                transport->old_data_ready = sk->sk_data_ready;
-                transport->old_state_change = sk->sk_state_change;
-                transport->old_write_space = sk->sk_write_space;
                 sk->sk_data_ready = xs_udp_data_ready;
                 sk->sk_write_space = xs_udp_write_space;
                 sk->sk_no_check = UDP_CSUM_NORCV;
@@ -1589,13 +1627,13 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 
                 write_lock_bh(&sk->sk_callback_lock);
 
+                xs_save_old_callbacks(transport, sk);
+
                 sk->sk_user_data = xprt;
-                transport->old_data_ready = sk->sk_data_ready;
-                transport->old_state_change = sk->sk_state_change;
-                transport->old_write_space = sk->sk_write_space;
                 sk->sk_data_ready = xs_tcp_data_ready;
                 sk->sk_state_change = xs_tcp_state_change;
                 sk->sk_write_space = xs_tcp_write_space;
+                sk->sk_error_report = xs_tcp_error_report;
                 sk->sk_allocation = GFP_ATOMIC;
 
                 /* socket options */
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index dc504d308ec0..eb90f77bb0e2 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1302,14 +1302,23 @@ static void unix_destruct_fds(struct sk_buff *skb)
         sock_wfree(skb);
 }
 
-static void unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb)
+static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb)
 {
         int i;
+
+        /*
+         * Need to duplicate file references for the sake of garbage
+         * collection.  Otherwise a socket in the fps might become a
+         * candidate for GC while the skb is not yet queued.
+         */
+        UNIXCB(skb).fp = scm_fp_dup(scm->fp);
+        if (!UNIXCB(skb).fp)
+                return -ENOMEM;
+
         for (i=scm->fp->count-1; i>=0; i--)
                 unix_inflight(scm->fp->fp[i]);
-        UNIXCB(skb).fp = scm->fp;
         skb->destructor = unix_destruct_fds;
-        scm->fp = NULL;
+        return 0;
 }
 
 /*
@@ -1368,8 +1377,11 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
                 goto out;
 
         memcpy(UNIXCREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
-        if (siocb->scm->fp)
-                unix_attach_fds(siocb->scm, skb);
+        if (siocb->scm->fp) {
+                err = unix_attach_fds(siocb->scm, skb);
+                if (err)
+                        goto out_free;
+        }
         unix_get_secdata(siocb->scm, skb);
 
         skb_reset_transport_header(skb);
@@ -1538,8 +1550,13 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
                 size = min_t(int, size, skb_tailroom(skb));
 
                 memcpy(UNIXCREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
-                if (siocb->scm->fp)
-                        unix_attach_fds(siocb->scm, skb);
+                if (siocb->scm->fp) {
+                        err = unix_attach_fds(siocb->scm, skb);
+                        if (err) {
+                                kfree_skb(skb);
+                                goto out_err;
+                        }
+                }
 
                 if ((err = memcpy_fromiovec(skb_put(skb,size), msg->msg_iov, size)) != 0) {
                         kfree_skb(skb);
@@ -2213,7 +2230,7 @@ static int unix_net_init(struct net *net)
 #endif
         error = 0;
 out:
-        return 0;
+        return error;
 }
 
 static void unix_net_exit(struct net *net)
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index 2a27b84f740b..6d4a9a8de5ef 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -186,8 +186,17 @@ static void scan_inflight(struct sock *x, void (*func)(struct unix_sock *),
                                  */
                                 struct sock *sk = unix_get_socket(*fp++);
                                 if (sk) {
-                                        hit = true;
-                                        func(unix_sk(sk));
+                                        struct unix_sock *u = unix_sk(sk);
+
+                                        /*
+                                         * Ignore non-candidates, they could
+                                         * have been added to the queues after
+                                         * starting the garbage collection
+                                         */
+                                        if (u->gc_candidate) {
+                                                hit = true;
+                                                func(u);
+                                        }
                                 }
                         }
                         if (hit && hitlist != NULL) {
@@ -249,11 +258,11 @@ static void inc_inflight_move_tail(struct unix_sock *u)
 {
         atomic_long_inc(&u->inflight);
         /*
-         * If this is still a candidate, move it to the end of the
-         * list, so that it's checked even if it was already passed
-         * over
+         * If this still might be part of a cycle, move it to the end
+         * of the list, so that it's checked even if it was already
+         * passed over
          */
-        if (u->gc_candidate)
+        if (u->gc_maybe_cycle)
                 list_move_tail(&u->link, &gc_candidates);
 }
 
@@ -267,6 +276,7 @@ void unix_gc(void)
         struct unix_sock *next;
         struct sk_buff_head hitlist;
         struct list_head cursor;
+        LIST_HEAD(not_cycle_list);
 
         spin_lock(&unix_gc_lock);
 
@@ -282,10 +292,14 @@ void unix_gc(void)
          *
          * Holding unix_gc_lock will protect these candidates from
          * being detached, and hence from gaining an external
-         * reference.  This also means, that since there are no
-         * possible receivers, the receive queues of these sockets are
-         * static during the GC, even though the dequeue is done
-         * before the detach without atomicity guarantees.
+         * reference.  Since there are no possible receivers, all
+         * buffers currently on the candidates' queues stay there
+         * during the garbage collection.
+         *
+         * We also know that no new candidate can be added onto the
+         * receive queues.  Other, non candidate sockets _can_ be
+         * added to queue, so we must make sure only to touch
+         * candidates.
          */
         list_for_each_entry_safe(u, next, &gc_inflight_list, link) {
                 long total_refs;
@@ -299,6 +313,7 @@ void unix_gc(void)
                 if (total_refs == inflight_refs) {
                         list_move_tail(&u->link, &gc_candidates);
                         u->gc_candidate = 1;
+                        u->gc_maybe_cycle = 1;
                 }
         }
 
@@ -325,14 +340,24 @@ void unix_gc(void)
                 list_move(&cursor, &u->link);
 
                 if (atomic_long_read(&u->inflight) > 0) {
-                        list_move_tail(&u->link, &gc_inflight_list);
-                        u->gc_candidate = 0;
+                        list_move_tail(&u->link, &not_cycle_list);
+                        u->gc_maybe_cycle = 0;
                         scan_children(&u->sk, inc_inflight_move_tail, NULL);
                 }
         }
         list_del(&cursor);
 
         /*
+         * not_cycle_list contains those sockets which do not make up a
+         * cycle.  Restore these to the inflight list.
+         */
+        while (!list_empty(&not_cycle_list)) {
+                u = list_entry(not_cycle_list.next, struct unix_sock, link);
+                u->gc_candidate = 0;
+                list_move_tail(&u->link, &gc_inflight_list);
+        }
+
+        /*
          * Now gc_candidates contains only garbage.  Restore original
          * inflight counters for these as well, and remove the skbuffs
          * which are creating the cycle(s).
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 832b47c1de80..058f04f54b90 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -315,9 +315,9 @@ static void xfrm_policy_kill(struct xfrm_policy *policy)
                 return;
         }
 
-        spin_lock(&xfrm_policy_gc_lock);
+        spin_lock_bh(&xfrm_policy_gc_lock);
         hlist_add_head(&policy->bydst, &xfrm_policy_gc_list);
-        spin_unlock(&xfrm_policy_gc_lock);
+        spin_unlock_bh(&xfrm_policy_gc_lock);
 
         schedule_work(&xfrm_policy_gc_work);
 }
@@ -1251,6 +1251,8 @@ xfrm_tmpl_resolve_one(struct xfrm_policy *policy, struct flowi *fl,
                                  -EINVAL : -EAGAIN);
                         xfrm_state_put(x);
                 }
+                else if (error == -ESRCH)
+                        error = -EAGAIN;
 
                 if (!tmpl->optional)
                         goto fail;
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 4a8a1abb59ee..a278a6f3b991 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1816,7 +1816,7 @@ static int copy_to_user_kmaddress(struct xfrm_kmaddress *k, struct sk_buff *skb)
         uk.family = k->family;
         uk.reserved = k->reserved;
         memcpy(&uk.local, &k->local, sizeof(uk.local));
-        memcpy(&uk.remote, &k->local, sizeof(uk.remote));
+        memcpy(&uk.remote, &k->remote, sizeof(uk.remote));
 
         return nla_put(skb, XFRMA_KMADDRESS, sizeof(uk), &uk);
 }