tcp: Fix OOB POLLIN avoidance.

From: Alexandra.Kossovsky@oktetlabs.ru Fixes kernel bugzilla #15541 Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Mar 19, 2010 · b634f87 · b634f87
1 parent 22001a1
commit b634f87
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
@@ -429,7 +429,7 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
 		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