Re: [PATCH 3/6] uvc: fix smatch warning

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Hello,

On Thu, Feb 07, 2019 at 03:57:26PM +0100, Kieran Bingham wrote:
> On 07/02/2019 10:13, Hans Overkill wrote:
> > drivers/media/usb/uvc/uvc_video.c: drivers/media/usb/uvc/uvc_video.c:1893 uvc_video_start_transfer() warn: argument 2 to %u specifier is cast from pointer
> > 
> > Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
> 
> This look fine to me.
> 
> Reviewed-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>

Even though I believe we should fix tooling instead of code to handle
these issues, the patch for uvcvideo doesn't adversely affect the code,
so

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

Should I take this in my tree ?

> > ---
> >  drivers/media/usb/uvc/uvcvideo.h | 6 ++++--
> >  1 file changed, 4 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
> > index 9b41b14ce076..c7c1baa90dea 100644
> > --- a/drivers/media/usb/uvc/uvcvideo.h
> > +++ b/drivers/media/usb/uvc/uvcvideo.h
> > @@ -620,8 +620,10 @@ struct uvc_streaming {
> >  	     (uvc_urb) < &(uvc_streaming)->uvc_urb[UVC_URBS]; \
> >  	     ++(uvc_urb))
> >  
> > -#define uvc_urb_index(uvc_urb) \
> > -	(unsigned int)((uvc_urb) - (&(uvc_urb)->stream->uvc_urb[0]))
> > +static inline u32 uvc_urb_index(const struct uvc_urb *uvc_urb)
> > +{
> > +	return uvc_urb - &uvc_urb->stream->uvc_urb[0];
> > +}
> > 
> >  struct uvc_device_info {
> >  	u32	quirks;
> > 

-- 
Regards,

Laurent Pinchart



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