linux-kernel - Re: [Compile Warning] 2.6.30-rc8 build

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Message-ID: <20090605190138.5ac32f94@lxorguk.ukuu.org.uk>
Date:	Fri, 5 Jun 2009 19:01:38 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	lkml@...ethan.org
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [Compile Warning] 2.6.30-rc8 build

On Fri, 5 Jun 2009 11:43:03 -0500
"Michael S. Zick" <lkml@...ethan.org> wrote:

> Group,
> 
> To my reading of the function, I think gcc has a point:
> 
> drivers/serial/8250.c: In function 'serial8250_shutdown':
> drivers/serial/8250.c:1685: warning: 'i' may be used uninitialized in this function
> 
> It does read as if the code might try to initialize
> the 'lock' field of a null pointer.
> 
> Suggestions?

Newer gcc ? At least current gcc appears to correctly deduce the code is
safe.

Alan
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