drbd: drbd_send(): Return a "real" error code if we have no socket

Q: Can this case even trigger?  Is failing this way any better than one
that causes a NULL pointer access?

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 2dfbcfa..52378cc 100644 (file)
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1703,7 +1703,7 @@ int drbd_send(struct drbd_tconn *tconn, struct socket *sock,
        int rv, sent = 0;
 
        if (!sock)
-               return -1000;
+               return -EBADR;
 
        /* THINK  if (signal_pending) return ... ? */