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

From: yangyingliang
Date: Thu Aug 03 2023 - 23:25:20 EST


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