af_iucv: handle non-accepted sockets after resuming from suspend

After resuming from suspend, all af_iucv sockets are disconnected.
Ensure that iucv_accept_dequeue() can handle disconnected sockets
which are not yet accepted.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/iucv/af_iucv.c

@@ -569,6 +569,7 @@ struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock)
 
 		if (sk->sk_state == IUCV_CONNECTED ||
 		    sk->sk_state == IUCV_SEVERED ||
+		    sk->sk_state == IUCV_DISCONN ||	/* due to PM restore */
 		    !newsock) {
 			iucv_accept_unlink(sk);
 			if (newsock)