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

From: Sakari Ailus
Date: Mon Jul 30 2018 - 03:25:09 EST


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@xxxxxxxxxxxxxxx