linux-kernel - Re: [PATCH 2.6.19-rc3] i386/io_apic: fix compiler warning in create

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Message-ID: <20061109103135.GA3748@elte.hu>
Date:	Thu, 9 Nov 2006 11:31:35 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...hat.com>,
	Stefan Richter <stefanr@...6.in-berlin.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.19-rc3] i386/io_apic: fix compiler warning in create_irq


* Adrian Bunk <bunk@...sta.de> wrote:

> On Tue, Oct 31, 2006 at 12:15:02PM +0100, Ingo Molnar wrote:
> >...
> > we definitely do not want to hide these places. They both make the 
> > code less readable (why initialize it to some value if that value is 
> > never used) and they hide the problem from the GCC folks too.
> 
> What about cases where it's technically impossible for gcc to ever see 
> that a variable actually gets initialized?

we should mark them as such or even initialize them outright. But these 
are the exception.

	Ingo
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