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| author | Hans Verkuil | 2019-06-29 15:00:10 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2019-07-11 14:59:54 +0200 |
| commit | 6bda7073f335db261345d403123d9a8c0bc1e36b (patch) | |
| tree | 41422ed6eb789dd514e8b6cacf721ee68b632808 /include/uapi/linux/videodev2.h | |
| parent | media: allegro: use new v4l2_m2m_ioctl_try_encoder_cmd funcs (diff) | |
| download | kernel-qcow2-linux-6bda7073f335db261345d403123d9a8c0bc1e36b.tar.gz kernel-qcow2-linux-6bda7073f335db261345d403123d9a8c0bc1e36b.tar.xz kernel-qcow2-linux-6bda7073f335db261345d403123d9a8c0bc1e36b.zip | |
media: v4l2-subdev: fix regression in check_pad()
sd->entity.graph_obj.mdev can be NULL when this function is called, and
that breaks existing drivers (rcar-vin, but probably others as well).
Check if sd->entity.num_pads is non-zero instead since that doesn't depend
on mdev.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reported-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Fixes: a8fa55078a77 ("media: v4l2-subdev: Verify arguments in v4l2_subdev_call()")
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/uapi/linux/videodev2.h')
0 files changed, 0 insertions, 0 deletions