From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Tue, 19 Mar 2013 19:28:01 +0000 (+0800)
Subject: workqueue: add missing POOL_FREEZING
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~125^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12ee4fc67c00895b3d740297f7ca447239c1983b;p=pandora-kernel.git

workqueue: add missing POOL_FREEZING

get_unbound_pool() forgot to set POOL_FREEZING if workqueue_freezing
is set and a new pool could go out of sync with the global freezing
state.

Fix it by adding POOL_FREEZING if workqueue_freezing.  wq_mutex is
already held so no further locking is necessary.  This also removes
the unused static variable warning when !CONFIG_FREEZER.

tj: Updated commit message.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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