Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:
	drivers/net/e1000e/hw.h
	net/bridge/br_device.c
	net/bridge/br_input.c

6 files changed, 18 insertions, 11 deletions

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 075c435..cf09fe59 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -22,7 +22,7 @@
 #include <asm/uaccess.h>
 #include "br_private.h"
 
-/* net device transmit always called with no BH (preempt_disabled) */
+/* net device transmit always called with BH disabled */
 netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct net_bridge *br = netdev_priv(dev);
@@ -48,13 +48,16 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
 	skb_reset_mac_header(skb);
 	skb_pull(skb, ETH_HLEN);
 
+	rcu_read_lock();
 	if (is_multicast_ether_addr(dest)) {
 		if (unlikely(netpoll_tx_running(dev))) {
 			br_flood_deliver(br, skb);
 			goto out;
 		}
-		if (br_multicast_rcv(br, NULL, skb))
+		if (br_multicast_rcv(br, NULL, skb)) {
+			kfree_skb(skb);
 			goto out;
+		}
 
 		mdst = br_mdb_get(br, skb);
 		if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb))
@@ -67,6 +70,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
 		br_flood_deliver(br, skb);
 
 out:
+	rcu_read_unlock();
 	return NETDEV_TX_OK;
 }
 
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index a744296..90512cc 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -214,7 +214,7 @@ void br_fdb_delete_by_port(struct net_bridge *br,
 	spin_unlock_bh(&br->hash_lock);
 }
 
-/* No locking or refcounting, assumes caller has no preempt (rcu_read_lock) */
+/* No locking or refcounting, assumes caller has rcu_read_lock */
 struct net_bridge_fdb_entry *__br_fdb_get(struct net_bridge *br,
 					  const unsigned char *addr)
 {
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 5fc1c5b..826cd52 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -39,7 +39,7 @@ static int br_pass_frame_up(struct sk_buff *skb)
 		       netif_receive_skb);
 }
 
-/* note: already called with rcu_read_lock (preempt_disabled) */
+/* note: already called with rcu_read_lock */
 int br_handle_frame_finish(struct sk_buff *skb)
 {
 	const unsigned char *dest = eth_hdr(skb)->h_dest;
@@ -110,7 +110,7 @@ drop:
 	goto out;
 }
 
-/* note: already called with rcu_read_lock (preempt_disabled) */
+/* note: already called with rcu_read_lock */
 static int br_handle_local_finish(struct sk_buff *skb)
 {
 	struct net_bridge_port *p = br_port_get_rcu(skb->dev);
@@ -133,8 +133,7 @@ static inline int is_link_local(const unsigned char *dest)
 
 /*
  * Return NULL if skb is handled
- * note: already called with rcu_read_lock (preempt_disabled) from
- * netif_receive_skb
+ * note: already called with rcu_read_lock
  */
 struct sk_buff *br_handle_frame(struct sk_buff *skb)
 {
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index 70aecb4..35cf270 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -131,7 +131,7 @@ void br_send_tcn_bpdu(struct net_bridge_port *p)
 /*
  * Called from llc.
  *
- * NO locks, but rcu_read_lock (preempt_disabled)
+ * NO locks, but rcu_read_lock
  */
 void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
 		struct net_device *dev)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 1a70065..176e11a 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2187,6 +2187,8 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
 				      GFP_KERNEL);
 			if (cvp == NULL)
 				return -ENOMEM;
+
+			kref_init(&cvp->kref);
 		}
 		lock_sock(sk);
 		tp->rx_opt.cookie_in_always =
@@ -2201,12 +2203,11 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
 				 */
 				kref_put(&tp->cookie_values->kref,
 					 tcp_cookie_values_release);
-				kref_init(&cvp->kref);
-				tp->cookie_values = cvp;
 			} else {
 				cvp = tp->cookie_values;
 			}
 		}
+
 		if (cvp != NULL) {
 			cvp->cookie_desired = ctd.tcpct_cookie_desired;
 
@@ -2220,6 +2221,8 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
 				cvp->s_data_desired = ctd.tcpct_s_data_desired;
 				cvp->s_data_constant = 0; /* false */
 			}
+
+			tp->cookie_values = cvp;
 		}
 		release_sock(sk);
 		return err;
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index 24e614c..d0386a4 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -218,6 +218,7 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a,
 		if (!pskb_may_pull(skb, ihl + sizeof(*icmph) + sizeof(*iph)))
 			goto drop;
 
+		icmph = (void *)(skb_network_header(skb) + ihl);
 		iph = (void *)(icmph + 1);
 		if (egress)
 			addr = iph->daddr;
@@ -246,7 +247,7 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a,
 			iph->saddr = new_addr;
 
 		inet_proto_csum_replace4(&icmph->checksum, skb, addr, new_addr,
-					 1);
+					 0);
 		break;
 	}
 	default: