diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 87c794d8..d70fa30 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1744,20 +1744,23 @@
 		int chunk;
 		struct sk_buff *skb;
 
+		unix_state_lock(sk);
 		skb = skb_dequeue(&sk->sk_receive_queue);
 		if (skb==NULL)
 		{
 			if (copied >= target)
-				break;
+				goto unlock;
 
 			/*
 			 *	POSIX 1003.1g mandates this order.
 			 */
 
 			if ((err = sock_error(sk)) != 0)
-				break;
+				goto unlock;
 			if (sk->sk_shutdown & RCV_SHUTDOWN)
-				break;
+				goto unlock;
+
+			unix_state_unlock(sk);
 			err = -EAGAIN;
 			if (!timeo)
 				break;
@@ -1771,7 +1774,11 @@
 			}
 			mutex_lock(&u->readlock);
 			continue;
+ unlock:
+			unix_state_unlock(sk);
+			break;
 		}
+		unix_state_unlock(sk);
 
 		if (check_creds) {
 			/* Never glue messages from different writers */