Manual merge of for-linus to upstream (fix conflicts in drivers/infiniband/core/ucm.c)

7 files changed, 33 insertions, 50 deletions

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 4128fc76ac3..1dcf7fa1f0f 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -175,39 +175,10 @@ static void pneigh_queue_purge(struct sk_buff_head *list)
 	}
 }
 
-void neigh_changeaddr(struct neigh_table *tbl, struct net_device *dev)
+static void neigh_flush_dev(struct neigh_table *tbl, struct net_device *dev)
 {
 	int i;
 
-	write_lock_bh(&tbl->lock);
-
-	for (i=0; i <= tbl->hash_mask; i++) {
-		struct neighbour *n, **np;
-
-		np = &tbl->hash_buckets[i];
-		while ((n = *np) != NULL) {
-			if (dev && n->dev != dev) {
-				np = &n->next;
-				continue;
-			}
-			*np = n->next;
-			write_lock_bh(&n->lock);
-			n->dead = 1;
-			neigh_del_timer(n);
-			write_unlock_bh(&n->lock);
-			neigh_release(n);
-		}
-	}
-
-        write_unlock_bh(&tbl->lock);
-}
-
-int neigh_ifdown(struct neigh_table *tbl, struct net_device *dev)
-{
-	int i;
-
-	write_lock_bh(&tbl->lock);
-
 	for (i = 0; i <= tbl->hash_mask; i++) {
 		struct neighbour *n, **np = &tbl->hash_buckets[i];
 
@@ -243,7 +214,19 @@ int neigh_ifdown(struct neigh_table *tbl, struct net_device *dev)
 			neigh_release(n);
 		}
 	}
+}
 
+void neigh_changeaddr(struct neigh_table *tbl, struct net_device *dev)
+{
+	write_lock_bh(&tbl->lock);
+	neigh_flush_dev(tbl, dev);
+	write_unlock_bh(&tbl->lock);
+}
+
+int neigh_ifdown(struct neigh_table *tbl, struct net_device *dev)
+{
+	write_lock_bh(&tbl->lock);
+	neigh_flush_dev(tbl, dev);
 	pneigh_ifdown(tbl, dev);
 	write_unlock_bh(&tbl->lock);
 
@@ -732,6 +715,7 @@ static inline void neigh_add_timer(struct neighbour *n, unsigned long when)
 	if (unlikely(mod_timer(&n->timer, when))) {
 		printk("NEIGH: BUG, double timer add, state is %x\n",
 		       n->nud_state);
+		dump_stack();
 	}
 }
 
@@ -815,10 +799,10 @@ static void neigh_timer_handler(unsigned long arg)
 	}
 
 	if (neigh->nud_state & NUD_IN_TIMER) {
-		neigh_hold(neigh);
 		if (time_before(next, jiffies + HZ/2))
 			next = jiffies + HZ/2;
-		neigh_add_timer(neigh, next);
+		if (!mod_timer(&neigh->timer, next))
+			neigh_hold(neigh);
 	}
 	if (neigh->nud_state & (NUD_INCOMPLETE | NUD_PROBE)) {
 		struct sk_buff *skb = skb_peek(&neigh->arp_queue);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index af9b1516e21..02cd4cde211 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -410,6 +410,9 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
 	C(nfct);
 	nf_conntrack_get(skb->nfct);
 	C(nfctinfo);
+#if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE)
+	C(ipvs_property);
+#endif
 #ifdef CONFIG_BRIDGE_NETFILTER
 	C(nf_bridge);
 	nf_bridge_get(skb->nf_bridge);
@@ -467,6 +470,9 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
 	new->nfct	= old->nfct;
 	nf_conntrack_get(old->nfct);
 	new->nfctinfo	= old->nfctinfo;
+#if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE)
+	new->ipvs_property = old->ipvs_property;
+#endif
 #ifdef CONFIG_BRIDGE_NETFILTER
 	new->nf_bridge	= old->nf_bridge;
 	nf_bridge_get(old->nf_bridge);
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index ae088d1347a..6298cf58ff9 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -463,6 +463,7 @@ static int dccp_v4_send_response(struct sock *sk, struct request_sock *req,
 	if (skb != NULL) {
 		const struct inet_request_sock *ireq = inet_rsk(req);
 
+		memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
 		err = ip_build_and_send_pkt(skb, sk, ireq->loc_addr,
 					    ireq->rmt_addr,
 					    ireq->opt);
@@ -647,6 +648,7 @@ int dccp_v4_send_reset(struct sock *sk, enum dccp_reset_codes code)
 	if (skb != NULL) {
 		const struct inet_sock *inet = inet_sk(sk);
 
+		memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
 		err = ip_build_and_send_pkt(skb, sk,
 					    inet->saddr, inet->daddr, NULL);
 		if (err == NET_XMIT_CN)
diff --git a/net/dccp/output.c b/net/dccp/output.c
index 4786bdcddcc..29250749f16 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -62,10 +62,8 @@ int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
 		
 		skb->h.raw = skb_push(skb, dccp_header_size);
 		dh = dccp_hdr(skb);
-		/*
-		 * Data packets are not cloned as they are never retransmitted
-		 */
-		if (skb_cloned(skb))
+
+		if (!skb->sk)
 			skb_set_owner_w(skb, sk);
 
 		/* Build DCCP header and checksum it. */
@@ -102,6 +100,7 @@ int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
 
 		DCCP_INC_STATS(DCCP_MIB_OUTSEGS);
 
+		memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
 		err = ip_queue_xmit(skb, 0);
 		if (err <= 0)
 			return err;
@@ -243,7 +242,8 @@ int dccp_write_xmit(struct sock *sk, struct sk_buff *skb, long *timeo)
 
 		err = dccp_transmit_skb(sk, skb);
 		ccid_hc_tx_packet_sent(dp->dccps_hc_tx_ccid, sk, 0, len);
-	}
+	} else
+		kfree_skb(skb);
 
 	return err;
 }
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index a1cfd0e9e3b..a021c3422f6 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -402,8 +402,6 @@ int dccp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	 *     This bug was _quickly_ found & fixed by just looking at an OSTRA
 	 *     generated callgraph 8) -acme
 	 */
-	if (rc != 0)
-		goto out_discard;
 out_release:
 	release_sock(sk);
 	return rc ? : len;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 3f1a263e124..1ad5202e556 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -391,6 +391,9 @@ static void ip_copy_metadata(struct sk_buff *to, struct sk_buff *from)
 	to->nfct = from->nfct;
 	nf_conntrack_get(to->nfct);
 	to->nfctinfo = from->nfctinfo;
+#if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE)
+	to->ipvs_property = from->ipvs_property;
+#endif
 #ifdef CONFIG_BRIDGE_NETFILTER
 	nf_bridge_put(to->nf_bridge);
 	to->nf_bridge = from->nf_bridge;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 7114031fdc7..b907456a79f 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -435,17 +435,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
 	int nsize, old_factor;
 	u16 flags;
 
-	if (unlikely(len >= skb->len)) {
-		if (net_ratelimit()) {
-			printk(KERN_DEBUG "TCP: seg_size=%u, mss=%u, seq=%u, "
-			       "end_seq=%u, skb->len=%u.\n", len, mss_now,
-			       TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq,
-			       skb->len);
-			WARN_ON(1);
-		}
-		return 0;
-	}
-
+	BUG_ON(len > skb->len);
 	nsize = skb_headlen(skb) - len;
 	if (nsize < 0)
 		nsize = 0;