From: Li Zefan <lizefan@huawei.com>
Date: Thu, 24 Jan 2013 06:30:22 +0000 (+0800)
Subject: cgroup: initialize cgrp->dentry before css_alloc()
X-Git-Tag: v3.9-rc1~157^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fe1c06ca7523baa668c1eaf1e1016fa64753c32e;p=pandora-kernel.git

cgroup: initialize cgrp->dentry before css_alloc()

With this change, we're guaranteed that cgroup_path() won't see NULL
cgrp->dentry, and thus we can remove the NULL check in it.

(Well, it's not strictly true, because dummptop.dentry is always NULL
 but we already handle that separately.)

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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