linux-kernel - Re: [v4l-dvb-maintainer] Re: [PATCH] V4L: struct video

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Date:	Tue, 25 Jul 2006 02:06:50 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Trent Piepho <xyzzy@...akeasy.org>
Cc:	mchehab@...radead.org, robfitz@...k.net,
	video4linux-list@...hat.com, 76306.1226@...puserve.com,
	fork0@...nline.de, greg@...ah.com, linux-kernel@...r.kernel.org,
	rdunlap@...otime.net, v4l-dvb-maintainer@...uxtv.org,
	shemminger@...l.org
Subject: Re: [v4l-dvb-maintainer] Re: [PATCH] V4L: struct video_device
 corruption

On Tue, 25 Jul 2006 01:42:19 -0700 (PDT)
Trent Piepho <xyzzy@...akeasy.org> wrote:

> > Do we expect this will fix the various DVB crashes which people (including
> > Alex) have reported?
> 
> This problem would only appear if VIDEO_V4L1 was turned off.  If it was on,
> then all the code would agree it was on, and there would be no problems.
> If the crash is still there when VIDEO_V4L1 = y, then it's not related to
> this bug.
> 
> If VIDEO_V4L1 was turned off, then some drivers (one of which is bttv)
> would have a different struct video_device than the video core code.  This
> would break things so completely that it could crash just about anywhere.

OK, thanks.  Alex had

# CONFIG_VIDEO_V4L1 is not set
# CONFIG_VIDEO_V4L1_COMPAT is not set
CONFIG_VIDEO_V4L2=y

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