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

From: Alexandre Belloni
Date: Tue Jan 10 2017 - 05:59:40 EST


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