linux-kernel - Re: [PATCH] drivers/ide/ide-probe.c: uninitialized variable 'rc'

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Message-ID: <f488382f0809101419y65b35547t572a0f7bb5316952@mail.gmail.com>
Date:	Wed, 10 Sep 2008 14:19:56 -0700
From:	"Steven Noonan" <steven@...inklabs.net>
To:	"Bartlomiej Zolnierkiewicz" <bzolnier@...il.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu
Subject: Re: [PATCH] drivers/ide/ide-probe.c: uninitialized variable 'rc'

On Wed, Sep 10, 2008 at 2:09 PM, Bartlomiej Zolnierkiewicz
<bzolnier@...il.com> wrote:
>
> I recall seeing identical patch before:
>
>        http://article.gmane.org/gmane.linux.ide/33107
>
> Does the existing code really results in gcc warning?
>
>

Yes, because GCC thinks it's possible that the for loop has zero
iterations (and hence, 'rc' is never touched).

- Steven
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