Hi Ricardo,
Thank you for the patch.
On Thu, Jun 05, 2025 at 05:52:54PM +0000, Ricardo Ribalda wrote:
> If the control does not support GET_DEF, the field default_value will be
> left uninitialized during queryctrl.
>
> Fixes: c0efd232929c ("V4L/DVB (8145a): USB Video Class driver")
Media CI rules require a Cc: stable.
> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
> ---
> drivers/media/usb/uvc/uvc_ctrl.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
> index 44b6513c526421943bb9841fb53dc5f8e9f93f02..47e8ccc39234d1769384b55539a21df07f3d57c7 100644
> --- a/drivers/media/usb/uvc/uvc_ctrl.c
> +++ b/drivers/media/usb/uvc/uvc_ctrl.c
> @@ -1497,6 +1497,8 @@ static int __uvc_queryctrl_boundaries(struct uvc_video_chain *chain,
> if (ctrl->info.flags & UVC_CTRL_FLAG_GET_DEF) {
> v4l2_ctrl->default_value = uvc_mapping_get_s32(mapping,
> UVC_GET_DEF, uvc_ctrl_data(ctrl, UVC_CTRL_DATA_DEF));
> + } else {
> + v4l2_ctrl->default_value = 0;
> }
While at it we can drop the curly braces.
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
>
> switch (mapping->v4l2_type) {
--
Regards,
Laurent Pinchart
