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

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Message-ID: <52142422.9050209@asianux.com>
Date:	Wed, 21 Aug 2013 10:21:22 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	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>
CC:	Cyrill Gorcunov <gorcunov@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 0/3] mm: shmem: check the return value of mpol_to_str()

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>
---
 fs/proc/task_mmu.c |    4 +++-
 mm/shmem.c         |   16 ++++++++++------
 2 files changed, 13 insertions(+), 7 deletions(-)
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