Hi Javier,
Thanks for the patch!
On Thu, Jul 14, 2016 at 11:09:34AM -0400, Javier Martinez Canillas wrote:
> If the the VIDIOC_QBUF ioctl fails due a wrong dmabuf length,
> it's useful to get the invalid length as a debug information.
>
> Before this patch:
>
> vb2-core: __qbuf_dmabuf: invalid dmabuf length for plane 1
>
> After this patch:
>
> vb2-core: __qbuf_dmabuf: invalid dmabuf length 221248 for plane 1
>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>
> ---
>
> drivers/media/v4l2-core/videobuf2-core.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
> index ca8ffeb56d72..97d1483e0f7a 100644
> --- a/drivers/media/v4l2-core/videobuf2-core.c
> +++ b/drivers/media/v4l2-core/videobuf2-core.c
> @@ -1228,8 +1228,8 @@ static int __qbuf_dmabuf(struct vb2_buffer *vb, const void *pb)
> planes[plane].length = dbuf->size;
>
> if (planes[plane].length < vb->planes[plane].min_length) {
> - dprintk(1, "invalid dmabuf length for plane %d\n",
> - plane);
> + dprintk(1, "invalid dmabuf length %d for plane %d\n",
%u, please. You might want to print the minimum length as well.
> + planes[plane].length, plane);
> dma_buf_put(dbuf);
> ret = -EINVAL;
> goto err;
--
Kind regards,
Sakari Ailus
e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx
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