Re: [PATCH v5 4/5] media: uvcvideo: Remove redundant NULL assignment
From: Hans de Goede
Date: Mon Dec 02 2024 - 10:55:34 EST
Hi,
On 2-Dec-24 3:24 PM, Ricardo Ribalda wrote:
> ctrl->handle will only be different than NULL for controls that have
> mappings. This is because that assignment is only done inside
> uvc_ctrl_set() for mapped controls.
>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
Thanks, patch looks good to me:
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Regards,
Hans
> ---
> drivers/media/usb/uvc/uvc_ctrl.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
> index 576e3854be91..e90bf2aeb5e4 100644
> --- a/drivers/media/usb/uvc/uvc_ctrl.c
> +++ b/drivers/media/usb/uvc/uvc_ctrl.c
> @@ -1672,10 +1672,8 @@ bool uvc_ctrl_status_event_async(struct urb *urb, struct uvc_video_chain *chain,
> struct uvc_device *dev = chain->dev;
> struct uvc_ctrl_work *w = &dev->async_ctrl;
>
> - if (list_empty(&ctrl->info.mappings)) {
> - ctrl->handle = NULL;
> + if (list_empty(&ctrl->info.mappings))
> return false;
> - }
>
> w->data = data;
> w->urb = urb;
>