To calculate a remaining time, we need to subtract the current time from
the expiration time. Currently, arguments of ktime_sub are swapped.

Signed-off-by: Andrei Vagin <ava...@gmail.com>
---
 kernel/time/alarmtimer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index 2c97e8c2d29f..0519a8805aab 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -594,7 +594,7 @@ static ktime_t alarm_timer_remaining(struct k_itimer *timr, 
ktime_t now)
 {
        struct alarm *alarm = &timr->it.alarm.alarmtimer;
 
-       return ktime_sub(now, alarm->node.expires);
+       return ktime_sub(alarm->node.expires, now);
 }
 
 /**
-- 
2.20.1

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