Merge commit 'v2.6.28-rc4' into x86/apic

34 files changed, 371 insertions, 135 deletions

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 916061f681b..68ced4bf158 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 67717f69412..4b529454616 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 8d6cc4777aa..2f1fe5fc122 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 d9038e328cc..9174c77d311 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 f1d07b5c1e1..1895a4ca9c4 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 99f656d35b4..a47f5bad110 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 10f5c65f6a4..ab242cc1acc 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 4e22e3a3535..ebb6b94f8af 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 490e035c6d9..2e78f6bd977 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 eccb7165a80..c5aca0bb116 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 e4c5ac9fe89..ba85d883189 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 2095abc3cab..cf02701ced4 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 07735ed280d..55dc6beab9a 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 eea9542728c..d9da5eb9dcb 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 e51da8c092f..8b48512ebf6 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 89884a4f23a..60c78cfc273 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 e55e0441e4d..3440a4637f0 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 0b024cd6b80..98f48070805 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 9c06b9f86ad..c39b6a99413 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 a59a307e685..592d73344d4 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 a2cdbcbf64c..4ab62ad85dd 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 b0925a30335..249f6b92f15 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 0242bead405..07ae7fd82be 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 ee769ecaa13..0a0ef17b2a4 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 b9d97effebe..defeb7a0d50 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 21124ec0a73..bfdade72e06 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 f949a482b00..25ba3bd57e6 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 2b7a4b5c9b7..57550c3bcab 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 436bf1b4b76..cb216b2df66 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 9a288d5eea6..0a50361e3d8 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 dc504d308ec..eb90f77bb0e 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 2a27b84f740..6d4a9a8de5e 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 832b47c1de8..058f04f54b9 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 4a8a1abb59e..a278a6f3b99 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);
 }