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. Cc: stable@xxxxxxxxxxxxxxx Fixes: e5225c820c05 ("media: uvcvideo: Send a control event when a Control Change interrupt arrives") Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> --- 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 9a80a7d8e73a..42b0a0cdc51c 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1640,10 +1640,8 @@ 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; -- 2.47.0.338.g60cca15819-goog