linux-kernel - Re: [PATCH] UBI: silence warning about possibly uninitialized use of variable in drivers/mtd/ubi/vmt.c ...

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Date:	Sat, 15 Dec 2007 13:18:15 +0200
From:	Artem Bityutskiy <dedekind@...radead.org>
To:	Jesper Juhl <jesper.juhl@...il.com>
Cc:	linux-mtd@...ts.infradead.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] UBI: silence warning about possibly uninitialized use
	of variable in drivers/mtd/ubi/vmt.c ...

On Thu, 2007-12-13 at 23:53 +0100, Jesper Juhl wrote:
> From: Jesper Juhl <jesper.juhl@...il.com>
> 
> This patch silences the following warning :
> 
>   drivers/mtd/ubi/vmt.c:73: warning: 'ret' may be used uninitialized in this function
> 
> gcc can't see that we always initialize ret in all situations where it is 
> actually used. The one case where it's not initialized is when we BUG(), 
> but gcc doesn't know that we won't then continue and use an uninitialized 
> 'ret'.
> 
> This patch results in code that does exactely the same as before, but it 
> also makes gcc shut up, so we generate one less line of warning noise.
> 
> 
> Signed-off-by: Jesper Juhl <jesper.juhl@...il.com>

Pushed to ubi-2.6.git, thanks.

-- 
Best regards,
Artem Bityutskiy (Битюцкий Артём)

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