af_iucv: Test additional sk states in iucv_sock_shutdown

Add few more sk states in iucv_sock_shutdown().

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>

diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index ee517108856e26f2466c54e7cc5475fc0d26b9f2..9cfdaaddc5b2756bfb6d2d859b4c6008347545d0 100644 (file)
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -937,6 +937,9 @@ static int iucv_sock_shutdown(struct socket *sock, int how)
 
        lock_sock(sk);
        switch (sk->sk_state) {
+       case IUCV_DISCONN:
+       case IUCV_CLOSING:
+       case IUCV_SEVERED:
        case IUCV_CLOSED:
                err = -ENOTCONN;
                goto fail;