Re: [v4l-dvb-maintainer] Re: [PATCH] V4L: struct video_devicecorruption

[Mauro Carvalho Chehab]

Andrew,

Em Ter, 2006-07-25 às 02:06 -0700, Andrew Morton escreveu:
> On Tue, 25 Jul 2006 01:42:19 -0700 (PDT)
> Trent Piepho <xyzzy@xxxxxxxxxxxxx> 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
That's explains the bug. 

I'll send this patch, together with several other patches (including
several V4L1 to V4L2 conversions) today to -git.

> 
Cheers, 
Mauro.

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