From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
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@xxxxxxxxx>
---
drivers/media/v4l2-core/videobuf2-core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 929cc99..bbfe022 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -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 memory and size is verified above.
*/
+ b->length = q->num_planes;
memcpy(b->m.planes, vb->v4l2_planes,
b->length * sizeof(struct v4l2_plane));
} else {
--
1.7.10.4
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