caif: fix NULL pointer check

Reported-by: <[email protected]>
Resolves-bug: http://bugzilla.kernel.org/show_bug?44441
Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Alan Cox 2012-07-24 02:42:14 +00:00 • committed by David S. Miller
commit c66b9b7d36

View file

@ -325,6 +325,9 @@ static int ldisc_open(struct tty_struct *tty)
sprintf(name, "cf%s", tty->name);
dev = alloc_netdev(sizeof(*ser), name, caifdev_setup);
if (!dev)
return -ENOMEM;
ser = netdev_priv(dev);
ser->tty = tty_kref_get(tty);
ser->dev = dev;