linux-kernel - Re: linux-next: build warning after merge of the rtc tree

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Date:   Tue, 10 Jan 2017 11:59:22 +0100
From:   Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
        Gregory CLEMENT <gregory.clement@...e-electrons.com>
Subject: Re: linux-next: build warning after merge of the rtc tree

Hi,

On 10/01/2017 at 14:01:00 +1100, Stephen Rothwell wrote :
> Hi Alexandre,
> 
> After merging the rtc tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
> 
> drivers/rtc/rtc-armada38x.c: In function 'read_rtc_register_wa':
> drivers/rtc/rtc-armada38x.c:131:25: warning: 'index_max' may be used uninitialized in this function [-Wmaybe-uninitialized]
>   return rtc->val_to_freq[index_max].value;
>                          ^
> 
> Introduced by commit
> 
>   61cffa2438e3 ("rtc: armada38x: Follow the new recommendation for errata implementation")

This is definitively a false positive, is it worth fixing it?


-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com