linux-kernel - Re: [PATCH 10/15] media: davinci: vpbe: add support for VIDIOC_CREATE

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Message-ID: <CA+V-a8tazN0u9kH085KyBZ3d3mc50kefAntkcuA84+yZtLK61A@mail.gmail.com>
Date:	Wed, 22 Oct 2014 22:48:12 +0100
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	Hans Verkuil <hverkuil@...all.nl>
Cc:	LMML <linux-media@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	DLOS <davinci-linux-open-source@...ux.davincidsp.com>
Subject: Re: [PATCH 10/15] media: davinci: vpbe: add support for VIDIOC_CREATE_BUFS

Hi Hans,

On Wed, Oct 22, 2014 at 12:26 PM, Hans Verkuil <hverkuil@...all.nl> wrote:
> Hi Prabhakar,
>
> This patch series looks good, except for this one.
>
> If you add create_bufs support, then you should also update queue_setup.
>
> If the fmt argument to queue_setup is non-NULL, then check that the
> fmt.pix.sizeimage field is >= the current format's sizeimage. If not,
> return -EINVAL.
>
> This prevents userspace from creating additional buffers that are smaller
> than
> the minimum required size.
>
> I'm just skipping this patch and queuing all the others for 3.19. Just post
> an
> updated version for this one and I'll pick it up later.
>
I fixed it and posted the patch. To avoid conflicts I have rebased the patch on
for-v3.19a branch of your tree.

Thanks,
--Prabhakar Lad
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