workqueue: use LIST_HEAD to initialize cull_list

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

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 83f8993..a90f1e6 100644 (file)
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -2304,9 +2304,8 @@ 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
@@ -3872,10 +3871,8 @@ 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);