| From 8c084d34621fc96d1fa8f2fa7baa3b7edae59101 Mon Sep 17 00:00:00 2001 |
| From: Alan Cox <alan@linux.intel.com> |
| Date: Tue, 24 Jul 2012 02:42:14 +0000 |
| Subject: caif: fix NULL pointer check |
| |
| |
| From: Alan Cox <alan@linux.intel.com> |
| |
| [ Upstream commit c66b9b7d365444b433307ebb18734757cb668a02 ] |
| |
| 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> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| --- |
| drivers/net/caif/caif_serial.c | 3 +++ |
| 1 file changed, 3 insertions(+) |
| |
| --- 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 |
| |
| 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; |
