[PATCH -next resend] workqueue: use LIST_HEAD to initialize cull_list

[yangyingliang]

From: Yang Yingliang <yangyingliang@xxxxxxxxxx>

Use LIST_HEAD() to initialize cull_list instead of open-coding it.

Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Reviewed-by: Lai Jiangshan <jiangshanlai@xxxxxxxxx>
---
 kernel/workqueue.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 3ddd0d599dab..ae975a7c9f69 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -2307,9 +2307,8 @@ static void idle_worker_timeout(struct timer_list *t)
 static void idle_cull_fn(struct work_struct *work)
 {
 	struct worker_pool *pool = container_of(work, struct worker_pool, idle_cull_work);
-	struct list_head cull_list;
+	LIST_HEAD(cull_list);
 
-	INIT_LIST_HEAD(&cull_list);
 	/*
 	 * Grabbing wq_pool_attach_mutex here ensures an already-running worker
 	 * cannot proceed beyong worker_detach_from_pool() in its self-destruct
@@ -3875,10 +3874,8 @@ static void rcu_free_pool(struct rcu_head *rcu)
 static void put_unbound_pool(struct worker_pool *pool)
 {
 	DECLARE_COMPLETION_ONSTACK(detach_completion);
-	struct list_head cull_list;
 	struct worker *worker;
-
-	INIT_LIST_HEAD(&cull_list);
+	LIST_HEAD(cull_list);
 
 	lockdep_assert_held(&wq_pool_mutex);
 
-- 
2.25.1