From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Mon, 26 Oct 2009 23:49:36 +0000 (-0700)
Subject: cgroup: fix strstrip() misuse
X-Git-Tag: v2.6.32-rc6~107
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=478988d3b28e98a31e0cfe24e011e28ba0f3cf0d;p=pandora-kernel.git

cgroup: fix strstrip() misuse

cgroup_write_X64() and cgroup_write_string() ignore the return value of
strstrip().  it makes small inconsistent behavior.

example:
=========================
 # cd /mnt/cgroup/hoge
 # cat memory.swappiness
 60
 # echo "59 " > memory.swappiness
 # cat memory.swappiness
 59
 # echo " 58" > memory.swappiness
 bash: echo: write error: Invalid argument

This patch fixes it.

Cc: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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