From 80a6a2cf3bebcf20285cf05373b9c5ec96816577 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Wed, 29 Oct 2008 14:00:52 -0700
Subject: [PATCH] freezer_cg: remove redundant check in freezer_can_attach()

It is sufficient to check if @task is frozen, and no need to check if the
original freezer is frozen.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Cedric Le Goater <clg@fr.ibm.com>
Acked-by: Matt Helsley <matthltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Reading git-format-patch failed