alarmtimer: Get rid of unused return value

We want to get rid of the hrtimer_start() return value and the alarm
timer return value is nowhere used. Remove it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/20150414203503.243910615@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h
index a899402..52f3b7d 100644 (file)
--- a/include/linux/alarmtimer.h
+++ b/include/linux/alarmtimer.h
@@ -43,8 +43,8 @@ struct alarm {
 
 void alarm_init(struct alarm *alarm, enum alarmtimer_type type,
                enum alarmtimer_restart (*function)(struct alarm *, ktime_t));
-int alarm_start(struct alarm *alarm, ktime_t start);
-int alarm_start_relative(struct alarm *alarm, ktime_t start);
+void alarm_start(struct alarm *alarm, ktime_t start);
+void alarm_start_relative(struct alarm *alarm, ktime_t start);
 void alarm_restart(struct alarm *alarm);
 int alarm_try_to_cancel(struct alarm *alarm);
 int alarm_cancel(struct alarm *alarm);

diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index 0b55a75..7fbba63 100644 (file)
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -317,19 +317,16 @@ EXPORT_SYMBOL_GPL(alarm_init);
  * @alarm: ptr to alarm to set
  * @start: time to run the alarm
  */
-int alarm_start(struct alarm *alarm, ktime_t start)
+void alarm_start(struct alarm *alarm, ktime_t start)
 {
        struct alarm_base *base = &alarm_bases[alarm->type];
        unsigned long flags;
-       int ret;
 
        spin_lock_irqsave(&base->lock, flags);
        alarm->node.expires = start;
        alarmtimer_enqueue(base, alarm);
-       ret = hrtimer_start(&alarm->timer, alarm->node.expires,
-                               HRTIMER_MODE_ABS);
+       hrtimer_start(&alarm->timer, alarm->node.expires, HRTIMER_MODE_ABS);
        spin_unlock_irqrestore(&base->lock, flags);
-       return ret;
 }
 EXPORT_SYMBOL_GPL(alarm_start);
 
@@ -338,12 +335,12 @@ EXPORT_SYMBOL_GPL(alarm_start);
  * @alarm: ptr to alarm to set
  * @start: time relative to now to run the alarm
  */
-int alarm_start_relative(struct alarm *alarm, ktime_t start)
+void alarm_start_relative(struct alarm *alarm, ktime_t start)
 {
        struct alarm_base *base = &alarm_bases[alarm->type];
 
        start = ktime_add(start, base->gettime());
-       return alarm_start(alarm, start);
+       alarm_start(alarm, start);
 }
 EXPORT_SYMBOL_GPL(alarm_start_relative);