Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1436 commits)
  cassini: Use local-mac-address prom property for Cassini MAC address
  net: remove the duplicate #ifdef __KERNEL__
  net: bridge: check the length of skb after nf_bridge_maybe_copy_header()
  netconsole: clarify stopping message
  netconsole: don't announce stopping if nothing happened
  cnic: Fix the type field in SPQ messages
  netfilter: fix export secctx error handling
  netfilter: fix the race when initializing nf_ct_expect_hash_rnd
  ipv4: IP defragmentation must be ECN aware
  net: r6040: Return proper error for r6040_init_one
  dcb: use after free in dcb_flushapp()
  dcb: unlock on error in dcbnl_ieee_get()
  net: ixp4xx_eth: Return proper error for eth_init_one
  include/linux/if_ether.h: Add #define ETH_P_LINK_CTL for HPNA and wlan local tunnel
  net: add POLLPRI to sock_def_readable()
  af_unix: Avoid socket->sk NULL OOPS in stream connect security hooks.
  net_sched: pfifo_head_drop problem
  mac80211: remove stray extern
  mac80211: implement off-channel TX using hw r-o-c offload
  mac80211: implement hardware offload for remain-on-channel
  ...

1 files changed, 18 insertions, 18 deletions

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 2268e679812..dd419d28620 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -316,7 +316,8 @@ static void unix_write_space(struct sock *sk)
 	if (unix_writable(sk)) {
 		wq = rcu_dereference(sk->sk_wq);
 		if (wq_has_sleeper(wq))
-			wake_up_interruptible_sync(&wq->wait);
+			wake_up_interruptible_sync_poll(&wq->wait,
+				POLLOUT | POLLWRNORM | POLLWRBAND);
 		sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT);
 	}
 	rcu_read_unlock();
@@ -1156,7 +1157,7 @@ restart:
 		goto restart;
 	}
 
-	err = security_unix_stream_connect(sock, other->sk_socket, newsk);
+	err = security_unix_stream_connect(sk, other, newsk);
 	if (err) {
 		unix_state_unlock(sk);
 		goto out_unlock;
@@ -1736,7 +1737,8 @@ static int unix_dgram_recvmsg(struct kiocb *iocb, struct socket *sock,
 		goto out_unlock;
 	}
 
-	wake_up_interruptible_sync(&u->peer_wait);
+	wake_up_interruptible_sync_poll(&u->peer_wait,
+					POLLOUT | POLLWRNORM | POLLWRBAND);
 
 	if (msg->msg_name)
 		unix_copy_addr(msg, skb->sk);
@@ -2099,13 +2101,12 @@ static unsigned int unix_dgram_poll(struct file *file, struct socket *sock,
 	if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
 		mask |= POLLERR;
 	if (sk->sk_shutdown & RCV_SHUTDOWN)
-		mask |= POLLRDHUP;
+		mask |= POLLRDHUP | POLLIN | POLLRDNORM;
 	if (sk->sk_shutdown == SHUTDOWN_MASK)
 		mask |= POLLHUP;
 
 	/* readable? */
-	if (!skb_queue_empty(&sk->sk_receive_queue) ||
-	    (sk->sk_shutdown & RCV_SHUTDOWN))
+	if (!skb_queue_empty(&sk->sk_receive_queue))
 		mask |= POLLIN | POLLRDNORM;
 
 	/* Connection-based need to check for termination and startup */
@@ -2117,20 +2118,19 @@ static unsigned int unix_dgram_poll(struct file *file, struct socket *sock,
 			return mask;
 	}
 
-	/* writable? */
-	writable = unix_writable(sk);
-	if (writable) {
-		other = unix_peer_get(sk);
-		if (other) {
-			if (unix_peer(other) != sk) {
-				sock_poll_wait(file, &unix_sk(other)->peer_wait,
-					  wait);
-				if (unix_recvq_full(other))
-					writable = 0;
-			}
+	/* No write status requested, avoid expensive OUT tests. */
+	if (wait && !(wait->key & (POLLWRBAND | POLLWRNORM | POLLOUT)))
+		return mask;
 
-			sock_put(other);
+	writable = unix_writable(sk);
+	other = unix_peer_get(sk);
+	if (other) {
+		if (unix_peer(other) != sk) {
+			sock_poll_wait(file, &unix_sk(other)->peer_wait, wait);
+			if (unix_recvq_full(other))
+				writable = 0;
 		}
+		sock_put(other);
 	}
 
 	if (writable)