tree b934c6b9c55e7f0979312bdec9f679680d73aac1
parent 7ccb97437bcc818d0ba6067513475f6ee8177a15
author Li Zefan <lizf@cn.fujitsu.com> 1225314052 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1225391925 -0700

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>