From mboxrd@z Thu Jan  1 00:00:00 1970
From: Greg KH <greg@kroah.com>
Subject: Re: linux-next: build warning after merge of the char-misc tree
Date: Fri, 15 Feb 2013 09:34:29 -0800
Message-ID: <20130215173429.GA27707@kroah.com>
References: <20130215162657.6dd03d27e8cfed0c134b5dd3@canb.auug.org.au>
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To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Arnd Bergmann <arnd@arndb.de>, linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, David Stevenson <david@avoncliff.com>

On Fri, Feb 15, 2013 at 04:26:57PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the char-misc tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
> 
> drivers/w1/slaves/w1_therm.c: In function 'w1_therm_read':
> drivers/w1/slaves/w1_therm.c:245:15: warning: 'crc' may be used uninitialized in this function [-Wuninitialized]
> 
> Its a false positive, but it was introduced by commit 867ff9880d5d
> ("w1_therm: Retries: remove old code add CRC")

I don't see that here with gcc 4.7.1, perhaps you need to upgrade your
version of gcc to not show these false positives?

thanks,

greg k-h