tree b6f1c9c7317ecc1092f582aca0160fdfb77c624e
parent d3251859168b0b12841e1b90d6d768ab478dc23d
author Joonsoo Kim <js1304@gmail.com> 1367334420 +0900
committer Tejun Heo <tj@kernel.org> 1368557295 -0700

workqueue: correct handling of the pool spin_lock

When we fail to mutex_trylock(), we release the pool spin_lock and do
mutex_lock(). After that, we should regrab the pool spin_lock, but,
regrabbing is missed in current code. So correct it.

Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Tejun Heo <tj@kernel.org>