From c66b9b7d365444b433307ebb18734757cb668a02 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Tue, 24 Jul 2012 02:42:14 +0000 Subject: [PATCH] caif: fix NULL pointer check Reported-by: Resolves-bug: http://bugzilla.kernel.org/show_bug?44441 Signed-off-by: Alan Cox Signed-off-by: David S. Miller --- drivers/net/caif/caif_serial.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c index 8a3054b84812..5de74e762021 100644 --- a/drivers/net/caif/caif_serial.c +++ b/drivers/net/caif/caif_serial.c @@ -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; -- 2.20.1