linux-kernel - Re: [PATCH -mm] drivers/acpi/tables/tbutils.c: Shut up bogus uninitialized variable warning

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Message-ID: <alpine.LFD.0.999.0709020626340.20781@enigma.security.iitk.ac.in>
Date:	Sun, 2 Sep 2007 06:32:53 +0530 (IST)
From:	Satyam Sharma <satyam@...radead.org>
To:	Adrian Bunk <bunk@...nel.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Len Brown <len.brown@...el.com>
Subject: Re: [PATCH -mm] drivers/acpi/tables/tbutils.c: Shut up bogus
 uninitialized variable warning



On Sun, 2 Sep 2007, Adrian Bunk wrote:
> 
> On Sun, Sep 02, 2007 at 05:12:14AM +0530, Satyam Sharma wrote:
> > 
> > drivers/acpi/tables/tbutils.c: In function 'acpi_tb_parse_root_table':
> > drivers/acpi/tables/tbutils.c:403:
> > warning: 'rsdt_address' may be used uninitialized in this function
> > 
> > has been verified to be a bogus warning. Let's just initialize the
> > variable to zero and shut this up.
> >...
> 
> Please use uninitialized_var() instead.

On Sun, 2 Sep 2007, Satyam Sharma wrote:
> [...]
> I didn't use uninitialized_var() here because drivers/acpi/ is dual-licensed
> stuff and used elsewhere, where that macro may be unavailable (?)


Len, would it be okay to use uninitialized_var() in drivers/acpi/ code?
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