Hi Hans,

Thanks for the set.

On Mon, Mar 10, 2014 at 10:20:57PM +0100, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verk...@cisco.com>
> 
> The bytesused field of struct v4l2_buffer is not used for multiplanar
> formats, so just zero it to prevent it from having some random value.
> 
> Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
> ---
>  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 f68a60f..54a4150 100644
> --- a/drivers/media/v4l2-core/videobuf2-core.c
> +++ b/drivers/media/v4l2-core/videobuf2-core.c
> @@ -583,6 +583,7 @@ static void __fill_v4l2_buffer(struct vb2_buffer *vb, 
> struct v4l2_buffer *b)
>                * for it. The caller has already verified memory and size.
>                */
>               b->length = vb->num_planes;
> +             b->bytesused = 0;

I wonder if I'm missing something, but doesn't the value of the field come
from the v4l2_buf field of the vb2_buffer which is allocated using kzalloc()
in __vb2_queue_alloc(), and never changed afterwards?

>               memcpy(b->m.planes, vb->v4l2_planes,
>                       b->length * sizeof(struct v4l2_plane));
>       } else {

-- 
Regards,

Sakari Ailus
e-mail: sakari.ai...@iki.fi     XMPP: sai...@retiisi.org.uk
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