linux-kernel - Re: [PATCH 6/8] xfs: fix unsigned underflow

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Message-ID: <20100720231201.GQ32635@dastard>
Date:	Wed, 21 Jul 2010 09:12:01 +1000
From:	Dave Chinner <david@...morbit.com>
To:	Alex Elder <aelder@....com>
Cc:	Kulikov Vasiliy <segooon@...il.com>,
	Christoph Hellwig <hch@...radead.org>,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
	xfs@....sgi.com
Subject: Re: [PATCH 6/8] xfs: fix unsigned underflow

On Tue, Jul 20, 2010 at 02:35:33PM -0500, Alex Elder wrote:
> On Thu, 2010-07-15 at 17:21 -0400, Christoph Hellwig wrote:
> > On Thu, Jul 15, 2010 at 10:46:45PM +0400, Kulikov Vasiliy wrote:
> > > map_len is unsigned. Checking map_len <= 0 is buggy when it should be
> > > below zero. So, check exact expression instead of map_len.
> > > 
> > > Signed-off-by: Kulikov Vasiliy <segooon@...il.com>
> > 
> > Looks good,
> > 
> > Reviewed-by: Christoph Hellwig <hch@....de>
> > 
> 
> Looks good to me too.  Do you want me to pull this
> in via the XFS tree, or do you have other plans?

Already got it, Alex.

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
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