linux-kernel - Re: [PATCH 0/3] mm: shmem: check the return value of mpol_to

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Message-ID: <20130821053142.GQ18673@moon>
Date:	Wed, 21 Aug 2013 09:31:42 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Chen Gang <gang.chen@...anux.com>
Cc:	Mel Gorman <mgorman@...e.de>, kosaki.motohiro@...fujitsu.com,
	riel@...hat.com, hughd@...gle.com, xemul@...allels.com,
	rientjes@...gle.com, Wanpeng Li <liwanp@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/3] mm: shmem: check the return value of mpol_to_str()

On Wed, Aug 21, 2013 at 10:21:22AM +0800, Chen Gang wrote:
> mpol_to_str() may fail, and not fill the buffer (e.g. -EINVAL), so need
> check about it, or buffer may not be zero based, and next seq_printf()
> will cause issue.
> 
> Signed-off-by: Chen Gang <gang.chen@...anux.com>
> Cc: Cyrill Gorcunov <gorcunov@...il.com>

Looks good to me, thanks!

Reviewed-by: Cyrill Gorcunov <gorcunov@...il.com>
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