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

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Message-ID: <20170518125000.GO4065@suse.cz>
Date:   Thu, 18 May 2017 14:50:00 +0200
From:   David Sterba <dsterba@...e.cz>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Liu Bo <bo.li.liu@...cle.com>
Subject: Re: linux-next: build warning after merge of the btrfs-kdave tree

On Thu, May 18, 2017 at 09:41:46AM +1000, Stephen Rothwell wrote:
> Hi David,
> 
> After merging the btrfs-kdave tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
> 
> fs/btrfs/inode.c: In function 'btrfs_submit_direct':
> fs/btrfs/inode.c:8467:14: warning: 'bio' may be used uninitialized in this function [-Wmaybe-uninitialized]
>   struct bio *bio;
>               ^
> 
> I can't tell if it is a false positive or not.

It seems to be a false positive. Patch updated and will be part of the
next for-next.