Re: [patch review] uvc_driver: fix compile warning

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Hi Mauro,

On Monday 20 April 2009 19:50:31 Mauro Carvalho Chehab wrote:
> On Mon, 20 Apr 2009 19:25:00 +0200
>
> Laurent Pinchart <laurent.pinchart@xxxxxxxxx> wrote:
> > Hi Alexey,
> >
> > On Sunday 19 April 2009 22:03:09 Alexey Klimov wrote:
> > > Hello, all
> > > I saw warnings in v4l-dvb daily build.
> > > May this patch be helpful?
> >
> > I can't reproduce the problem with gcc 4.3.2.
> >
> > Hans, what's the policy for fixing gcc-related issues ? Should the code
> > use uninitialized_var() to make every gcc version happy, or can ignore
> > the warnings when a newer gcc version fixes the problem
>
> Laurent,
>
> The kernel way is to use unitialized_var() on such cases.
>
> Personally, I don't like very much this approach, since it will get rid
> forever of such error for that var. However, a future patch could make that
> var truly uninitialized. So, an extra care should be taken on every patch
> touching a var that uses uninitialized_var() macro.
>
> From my side, I accept patches with both ways to fix it.

I wasn't talking about ' = 0' vs. 'uninitialized_var()', but rather about 
submitting a patch vs. considering the problem fixed because gcc 4.3.2 doesn't 
spit a warning while gcc 4.3.1 does.

Cheers,

Laurent Pinchart

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