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

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Message-ID: <20180730072445.kt2yxxifx4i7y3fr@paasikivi.fi.intel.com>
Date:   Mon, 30 Jul 2018 10:24:45 +0300
From:   Sakari Ailus <sakari.ailus@...ux.intel.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>
Subject: Re: linux-next: build warning after merge of the pm tree

Hi folks,

On Mon, Jul 30, 2018 at 12:00:53PM +1000, Stephen Rothwell wrote:
> Hi Rafael,
> 
> After merging the pm tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
> 
> drivers/media/i2c/mt9v111.c: In function 'mt9v111_set_format':
> drivers/media/i2c/mt9v111.c:887:15: warning: 'idx' may be used uninitialized in this function [-Wmaybe-uninitialized]
>   unsigned int idx;
>                ^~~
> 
> Introduced by commit
> 
>   aab7ed1c3927 ("media: i2c: Add driver for Aptina MT9V111")
> 
> Looks like a false positive, but not something that gcc can easily see.

This must be coming from a new driver merged to media tree recently. Thanks
for reporting this.

-- 
Regards,

Sakari Ailus
sakari.ailus@...ux.intel.com