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media: coda: throw error on create_bufs with too small size

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If VIDIOC_CREATE_BUFS is called with a sizeimage smaller than the
queue sizeimage, fail with -EINVAL instead of correcting the size
and continuing without error. This is required by v4l2-compliance.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Philipp Zabel 2019-04-08 08:32:55 -04:00 committed by Mauro Carvalho Chehab
parent 01ba2e65e4
commit 0eecc61947
1 changed files with 3 additions and 0 deletions
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3
drivers/media/platform/coda/coda-common.c
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@ -1501,6 +1501,9 @@ static int coda_queue_setup(struct vb2_queue *vq,
q_data = get_q_data(ctx, vq->type);
size = q_data->sizeimage;
if (*nplanes)
return sizes[0] < size ? -EINVAL : 0;
*nplanes = 1;
sizes[0] = size;