linux-kernel - Re: linux-next: build warning from Linus' tree

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Message-ID: <20110603141756.GT12709@twin.jikos.cz>
Date:	Fri, 3 Jun 2011 16:17:56 +0200
From:	David Sterba <dave@...os.cz>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Chris Mason <chris.mason@...cle.com>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, Miao Xie <miaox@...fujitsu.com>,
	David Sterba <dave@...os.cz>,
	Tsutomu Itoh <t-itoh@...fujitsu.com>,
	Itaru Kitayama <kitayama@...bb4u.ne.jp>,
	Linus <torvalds@...ux-foundation.org>
Subject: Re: linux-next: build warning from Linus' tree

Hi,

On Fri, Jun 03, 2011 at 11:10:49AM +1000, Stephen Rothwell wrote:
> fs/btrfs/delayed-inode.c: In function 'btrfs_batch_insert_items':
> fs/btrfs/delayed-inode.c:670:6: warning: 'nitems' may be used uninitialized in this function
> 
> Introduced by commit 16cdcec736cd ("btrfs: implement delayed inode items
> operation").  I think this is a real bug.  This variable is not
> initialised, only incremented and tested.

yes, it's a bug and has been already hit (fix pending):

http://marc.info/?l=linux-btrfs&m=130678270307885&w=4

thanks,
david
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