[145/156] tcp: Fix OOB POLLIN avoidance.

[Greg KH]

2.6.33-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Alexandra Kossovsky <Alexandra.Kossovsky@xxxxxxxxxxxx>

[ Upstream commit b634f87522dff87712df8bda2a6c9061954d552a ]

From: Alexandra.Kossovsky@xxxxxxxxxxxx

Fixes kernel bugzilla #15541

Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 net/ipv4/tcp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -429,7 +429,7 @@ unsigned int tcp_poll(struct file *file,
 		if (tp->urg_seq == tp->copied_seq &&
 		    !sock_flag(sk, SOCK_URGINLINE) &&
 		    tp->urg_data)
-			target--;
+			target++;
 
 		/* Potential race condition. If read of tp below will
 		 * escape above sk->sk_state, we can be illegally awaken


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