From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Tue, 19 Mar 2013 19:28:03 +0000 (+0800)
Subject: workqueue: simplify current_is_workqueue_rescuer()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6a092dfd51e5af9b321d683d4b4eddc79e2606ed;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

workqueue: simplify current_is_workqueue_rescuer()

We can test worker->recue_wq instead of reaching into
current_pwq->wq->rescuer and then comparing it to self.

tj: Commit message.

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

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 40f4017285a0..d2ac6cbfe8ab 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3936,7 +3936,7 @@ bool current_is_workqueue_rescuer(void)
 {
 	struct worker *worker = current_wq_worker();
 
-	return worker && worker == worker->current_pwq->wq->rescuer;
+	return worker && worker->rescue_wq;
 }
 
 /**