linux-kernel - Re: [PATCH v2 2/6] media: uvcvideo: Set capability in s

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <3c2f8e86-3519-8284-fdeb-555ec03fbeff@xs4all.nl>
Date:   Fri, 12 Mar 2021 08:07:31 +0100
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Ricardo Ribalda <ribalda@...omium.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Tomasz Figa <tfiga@...omium.org>, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, senozhatsky@...omium.org
Subject: Re: [PATCH v2 2/6] media: uvcvideo: Set capability in s_param

On 11/03/2021 23:19, Ricardo Ribalda wrote:
> Fixes v4l2-compliance:
> 
> Format ioctls (Input 0):
>                 warn: v4l2-test-formats.cpp(1339): S_PARM is supported but doesn't report V4L2_CAP_TIMEPERFRAME
>                 fail: v4l2-test-formats.cpp(1241): node->has_frmintervals && !cap->capability
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

Reviewed-by: Hans Verkuil <hverkuil-cisco@...all.nl>

Thanks!

	Hans

> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
> ---
>  drivers/media/usb/uvc/uvc_v4l2.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
> index 252136cc885c..157310c0ca87 100644
> --- a/drivers/media/usb/uvc/uvc_v4l2.c
> +++ b/drivers/media/usb/uvc/uvc_v4l2.c
> @@ -472,10 +472,13 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream,
>  	uvc_simplify_fraction(&timeperframe.numerator,
>  		&timeperframe.denominator, 8, 333);
>  
> -	if (parm->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
> +	if (parm->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
>  		parm->parm.capture.timeperframe = timeperframe;
> -	else
> +		parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
> +	} else {
>  		parm->parm.output.timeperframe = timeperframe;
> +		parm->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
> +	}
>  
>  	return 0;
>  }
>