From: Tejun Heo <tj@kernel.org>
Date: Wed, 26 Jun 2013 01:05:21 +0000 (-0700)
Subject: cgroup: grab cgroup_mutex in drop_parsed_module_refcounts()
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~44^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb178d06332;p=pandora-kernel.git

cgroup: grab cgroup_mutex in drop_parsed_module_refcounts()

This isn't strictly necessary as all subsystems specified in
@subsys_mask are guaranteed to be pinned; however, it does spuriously
trigger lockdep warning.  Let's grab cgroup_mutex around it.

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

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