linux-kernel - Re: [PATCH] v4l2: fill reserved fields of VIDIOC

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Message-ID: <Pine.LNX.4.58.0903271241360.28292@shell2.speakeasy.net>
Date:	Fri, 27 Mar 2009 12:45:40 -0700 (PDT)
From:	Trent Piepho <xyzzy@...akeasy.org>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>
cc:	NĂŠmeth MĂĄrton <nm127@...email.hu>,
	linux-media@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] v4l2: fill reserved fields of VIDIOC_ENUMAUDIO also

On Fri, 27 Mar 2009, Mauro Carvalho Chehab wrote:
> On Wed, 25 Mar 2009 17:51:39 +0100
> Németh Márton <nm127@...email.hu> wrote:
>
> > From: Márton Németh <nm127@...email.hu>
> >
> > When enumerating audio inputs with VIDIOC_ENUMAUDIO the gspca_sunplus driver
> > does not fill the reserved fields of the struct v4l2_audio with zeros as
> > required by V4L2 API revision 0.24 [1]. Add the missing initializations to
> > the V4L2 framework.
> >
> > The patch was tested with v4l-test 0.10 [2] with gspca_sunplus driver and
> > with Trust 610 LCD POWERC@M ZOOM webcam.
>
> It didn't apply against the development tree. Anyway, a recent patch removed
> the need of memset there. the memory fill with zero now happens at the same
> code we copy the structure values.

That code is in video_ioctl2, which gspca doesn't use.
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