x25: Use sock_orphan() instead of open-coded (and buggy) variant.

It doesn't grab the sk_callback_lock, it doesn't NULL out
the sk->sk_sleep waitqueue pointer, etc.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index bcb091f..7b1c6ef 100644 (file)
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -612,8 +612,7 @@ static int x25_release(struct socket *sock)
                        break;
        }
 
-       sock->sk        = NULL;
-       sk->sk_socket   = NULL; /* Not used, but we should do this */
+       sock_orphan(sk);
 out:
        return 0;
 }