linux-kernel - Re: [PATCH] [media] v4l2-ioctl.c: fix warning due wrong check in v4l

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Date:	Wed, 15 Jun 2016 08:09:37 -0400
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	Hans Verkuil <hverkuil@...all.nl>, linux-kernel@...r.kernel.org
Cc:	Mauro Carvalho Chehab <mchehab@...nel.org>,
	linux-media@...r.kernel.org
Subject: Re: [PATCH] [media] v4l2-ioctl.c: fix warning due wrong check in
 v4l_cropcap()

Hello Hans,

On 06/15/2016 02:09 AM, Hans Verkuil wrote:
> On 06/14/2016 10:18 PM, Javier Martinez Canillas wrote:
>> Commit 95dd7b7e30f3 ("[media] v4l2-ioctl.c: improve cropcap compatibility
>> code") tried to check if both .vidioc_cropcap and .vidioc_g_selection are
>> NULL ops and warn if that was the case, but unfortunately the logic isn't
>> correct and instead checks for .vidioc_cropcap == NULL twice.
>>
>> So the v4l2 core will print the following warning if a driver has the ops
>> .vidioc_g_selection set but no .vidioc_cropcap callback:
> 
> This fix is already queued up for 4.7.
>

Thanks, and sorry for missing that you already had a fix queued for this.
 
> Regards,
> 
> 	Hans
> 
>>

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America