[media] videobuf2-core: fill in length field for multiplanar buffers

length should be set to num_planes in __fill_v4l2_buffer(). That way the
caller knows how many planes there are in the buffer.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2012-09-28 06:24:18 -03:00 committed by Mauro Carvalho Chehab
parent 32a7726031
commit 3c0b606181
1 changed files with 1 additions and 0 deletions

View File

@ -348,6 +348,7 @@ static void __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b)
* Fill in plane-related data if userspace provided an array
* for it. The caller has already verified memory and size.
*/
b->length = vb->num_planes;
memcpy(b->m.planes, vb->v4l2_planes,
b->length * sizeof(struct v4l2_plane));
} else {