freezer_cg: remove redundant check in freezer_can_attach()
authorLi Zefan <lizf@cn.fujitsu.com>
Wed, 29 Oct 2008 21:00:52 +0000 (14:00 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 30 Oct 2008 18:38:45 +0000 (11:38 -0700)
commit80a6a2cf3bebcf20285cf05373b9c5ec96816577
treeb934c6b9c55e7f0979312bdec9f679680d73aac1
parent7ccb97437bcc818d0ba6067513475f6ee8177a15
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>
kernel/cgroup_freezer.c