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

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From: Satyam Sharma <satyam@...>

To: Adrian Bunk <bunk@...>

Cc: Andrew Morton <akpm@...>, Linux Kernel Mailing List <linux-kernel@...>, Len Brown <len.brown@...>

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

Date: Saturday, September 1, 2007 - 9:02 pm

On Sun, 2 Sep 2007, Adrian Bunk wrote:
quoted text> 
> 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:
quoted text> [...]
> 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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