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

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

Signed-off-by: Nam Cao <namcao@linutronix.de>
Cc: Jens Axboe <axboe@kernel.dk>
---
 io_uring/io_uring.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index feb61d68dca6..0842aa3f60e7 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2435,13 +2435,14 @@ static int io_cqring_schedule_timeout(struct io_wait_queue *iowq,
 {
 	ktime_t timeout;
 
-	hrtimer_init_on_stack(&iowq->t, clock_id, HRTIMER_MODE_ABS);
 	if (iowq->min_timeout) {
 		timeout = ktime_add_ns(iowq->min_timeout, start_time);
-		iowq->t.function = io_cqring_min_timer_wakeup;
+		hrtimer_setup_on_stack(&iowq->t, io_cqring_min_timer_wakeup, clock_id,
+				       HRTIMER_MODE_ABS);
 	} else {
 		timeout = iowq->timeout;
-		iowq->t.function = io_cqring_timer_wakeup;
+		hrtimer_setup_on_stack(&iowq->t, io_cqring_timer_wakeup, clock_id,
+				       HRTIMER_MODE_ABS);
 	}
 
 	hrtimer_set_expires_range_ns(&iowq->t, timeout, 0);
-- 
2.39.5