Hi Ricardo, Thank you for the patch. On Fri, Jun 14, 2024 at 12:41:30PM +0000, Ricardo Ribalda wrote: > If there is no int_urb there is no need to do a clean stop. > > Also we avoid calling usb_kill_urb(NULL). It is properly handled by the > usb framework, but it is not polite. > > Now that we are at it, fix the code style in uvc_status_start() for > consistency. > > Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx> > Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > drivers/media/usb/uvc/uvc_status.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/usb/uvc/uvc_status.c b/drivers/media/usb/uvc/uvc_status.c > index 8fd8250110e2..9108522beea6 100644 > --- a/drivers/media/usb/uvc/uvc_status.c > +++ b/drivers/media/usb/uvc/uvc_status.c > @@ -308,7 +308,7 @@ static int __uvc_status_start(struct uvc_device *dev, gfp_t flags) > { > lockdep_assert_held(&dev->status_lock); > > - if (dev->int_urb == NULL) > + if (!dev->int_urb) > return 0; > > return usb_submit_urb(dev->int_urb, flags); > @@ -320,6 +320,9 @@ static void __uvc_status_stop(struct uvc_device *dev) > > lockdep_assert_held(&dev->status_lock); > > + if (!dev->int_urb) > + return; > + > /* > * Prevent the asynchronous control handler from requeing the URB. The > * barrier is needed so the flush_status change is visible to other > -- Regards, Laurent Pinchart