From 147cd165757fc67fdf8ae58b015f39c8134970fb Mon Sep 17 00:00:00 2001 From: "Dae S. Kim" Date: Wed, 29 Aug 2012 17:08:33 +0200 Subject: [PATCH] Staging: android: Alarm driver cleanups Little cleanups. Enum value ANDROID_ALARM_TYPE_COUNT was treated as an alarm type within a switch statement. That condition was unreachable though. Signed-off-by: Dae S. Kim Signed-off-by: Greg Kroah-Hartman --- drivers/staging/android/alarm-dev.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/staging/android/alarm-dev.c b/drivers/staging/android/alarm-dev.c index 5b7064005188..a9b293ff3cc8 100644 --- a/drivers/staging/android/alarm-dev.c +++ b/drivers/staging/android/alarm-dev.c @@ -67,10 +67,8 @@ static struct devalarm alarms[ANDROID_ALARM_TYPE_COUNT]; static int is_wakeup(enum android_alarm_type type) { - if (type == ANDROID_ALARM_RTC_WAKEUP || - type == ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP) - return 1; - return 0; + return (type == ANDROID_ALARM_RTC_WAKEUP || + type == ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP); } @@ -85,12 +83,9 @@ static void devalarm_start(struct devalarm *alrm, ktime_t exp) static int devalarm_try_to_cancel(struct devalarm *alrm) { - int ret; if (is_wakeup(alrm->type)) - ret = alarm_try_to_cancel(&alrm->u.alrm); - else - ret = hrtimer_try_to_cancel(&alrm->u.hrt); - return ret; + return alarm_try_to_cancel(&alrm->u.alrm); + return hrtimer_try_to_cancel(&alrm->u.hrt); } static void devalarm_cancel(struct devalarm *alrm) @@ -223,10 +218,12 @@ from_old_alarm_set: case ANDROID_ALARM_ELAPSED_REALTIME: get_monotonic_boottime(&tmp_time); break; - case ANDROID_ALARM_TYPE_COUNT: case ANDROID_ALARM_SYSTEMTIME: ktime_get_ts(&tmp_time); break; + default: + rv = -EINVAL; + goto err1; } if (copy_to_user((void __user *)arg, &tmp_time, sizeof(tmp_time))) {