hrtimer_setup() takes the callback function pointer as argument and
initializes the timer completely.

Replace hrtimer_init() and the open coded initialization of
hrtimer::function with the new setup mechanism.

Patch was created by using Coccinelle.

Signed-off-by: Nam Cao <namcao@linutronix.de>
Cc: Jens Axboe <axboe@kernel.dk>
---
 block/blk-iocost.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 65a1d4427ccf..ed11438eb4be 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -3004,8 +3004,7 @@ static void ioc_pd_init(struct blkg_policy_data *pd)
 	iocg->hweight_inuse = WEIGHT_ONE;
 
 	init_waitqueue_head(&iocg->waitq);
-	hrtimer_init(&iocg->waitq_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
-	iocg->waitq_timer.function = iocg_waitq_timer_fn;
+	hrtimer_setup(&iocg->waitq_timer, iocg_waitq_timer_fn, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
 
 	iocg->level = blkg->blkcg->css.cgroup->level;
 
-- 
2.39.5