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caif: fix NULL pointer check 

Reported-by: <rucsoftsec@gmail.com>
Resolves-bug: http://bugzilla.kernel.org/show_bug?44441
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alan Cox 2012-07-24 02:42:14 +00:00 committed by David S. Miller
parent 3324d024ba
commit c66b9b7d36
1 changed files with 3 additions and 0 deletions
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3
drivers/net/caif/caif_serial.c
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@ -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;