linux-kernel - Re: [PATCH] sdhci: 'scratch' may be used uninitialized

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Message-ID: <20081004215714.242f066d@mjolnir.drzeus.cx>
Date:	Sat, 4 Oct 2008 21:57:14 +0200
From:	Pierre Ossman <drzeus@...eus.cx>
To:	Steven Noonan <steven@...inklabs.net>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu,
	Steven Noonan <steven@...inklabs.net>
Subject: Re: [PATCH] sdhci: 'scratch' may be used uninitialized

On Wed,  1 Oct 2008 01:50:25 -0700
Steven Noonan <steven@...inklabs.net> wrote:

> The variable 'scratch' is always initialized before it's used. The
> conditional which is responsible for initialization of 'scratch' will
> always evaluate 'true' when the first loop iteration occurs, and thus,
> it's properly initialized. GCC doesn't see this, of course, so using
> the uninitialized_var() macro seems to work for silencing this case.
> 
> Signed-off-by: Steven Noonan <steven@...inklabs.net>

Queued, thanks.

Rgds
-- 
     -- Pierre Ossman

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