[patch 32/39] alarmtimer: Get rid of unused return value

From: Thomas Gleixner
Date: Tue Apr 14 2015 - 17:13:25 EST


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@xxxxxxxxxxxxx>
Cc: John Stultz <john.stultz@xxxxxxxxxx>
---
include/linux/alarmtimer.h | 4 ++--
kernel/time/alarmtimer.c | 11 ++++-------
2 files changed, 6 insertions(+), 9 deletions(-)

Index: tip/include/linux/alarmtimer.h
===================================================================
--- tip.orig/include/linux/alarmtimer.h
+++ tip/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);
Index: tip/kernel/time/alarmtimer.c
===================================================================
--- tip.orig/kernel/time/alarmtimer.c
+++ tip/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);



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