Re: [PATCH] silence gcc warning about possibly uninitialized use of variable in scsi_scan

From: Jesper Juhl
Date: Sun Feb 26 2006 - 13:59:01 EST


On 2/26/06, James Bottomley <James.Bottomley@xxxxxxxxxxxx> wrote:
> On Sun, 2006-02-26 at 19:23 +0100, Jesper Juhl wrote:
> > > gcc version 4.0.3 20051201 (prerelease) (Debian 4.0.2-5)
> > >
> > > Doesn't give this warning. And, since the loop has fixed parameters,
> > > gcc should see not only that it's always executed, but that it could be
> > > unrolled.
> > >
> > > Which version is causing the problem?
> > >
> > 2.6.16-rc4-mm2 build with gcc 3.4.5
>
> I also tried with
>
> gcc version 3.3.5 (Debian 1:3.3.5-13)
>
> which likewise fails to give this warning, so I really think this is a
> bug in your particular version of gcc.
>

Hmm, it's quite reproducible and the gcc 3.4.5 I have here is not
patched by the distribution (Slackware). If you want I can send you
the .config that results in the warning..

--
Jesper Juhl <jesper.juhl@xxxxxxxxx>
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