tree 116361debecff239b21108a3f063287d35db27a7
parent cec58b8b98568c94370ab8d560fda6f0d9ae9868
author YueHaibing <yuehaibing@huawei.com> 1552615284 -0400
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1580289860 +0100

media: tw5864: Fix possible NULL pointer dereference in tw5864_handle_frame

[ Upstream commit 2e7682ebfc750177a4944eeb56e97a3f05734528 ]

'vb' null check should be done before dereferencing it in
tw5864_handle_frame, otherwise a NULL pointer dereference
may occur.

Fixes: 34d1324edd31 ("[media] pci: Add tw5864 driver")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>