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authorAlan Cox <alan@linux.intel.com>2012-07-24 02:42:14 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-09 08:27:52 -0700
commit4b53a23467b73b472f276d5530a103a736fe8ae1 (patch)
treea44d00c9d6a9eb3fb0b03c94fc05dd30dc2a8620 /drivers
parentbca8ae51a3761a9fc4795641541a3478001975c1 (diff)
caif: fix NULL pointer check
[ 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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/caif/caif_serial.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c
index 3df0c0f8b8b..82b1802b1d3 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;