wait_queue_head_t can be initialized automatically with DECLARE_WAIT_QUEUE_HEAD() rather than explicitly calling init_waitqueue_head(). Signed-off-by: Shixin Liu <liushixin2@xxxxxxxxxx> --- drivers/s390/cio/css.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index f01ef6325039..a974943c27da 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -652,13 +652,12 @@ static void css_sch_todo(struct work_struct *work) static struct idset *slow_subchannel_set; static DEFINE_SPINLOCK(slow_subchannel_lock); -static wait_queue_head_t css_eval_wq; +static DECLARE_WAIT_QUEUE_HEAD(css_eval_wq); static atomic_t css_eval_scheduled; static int __init slow_subchannel_init(void) { atomic_set(&css_eval_scheduled, 0); - init_waitqueue_head(&css_eval_wq); slow_subchannel_set = idset_sch_new(); if (!slow_subchannel_set) { CIO_MSG_EVENT(0, "could not allocate slow subchannel set\n"); -- 2.25.1