Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 179eb032 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

alarmtimer: Drop device refcount after rtc_open() 



class_find_device() takes a refcount on the rtc device. rtc_open()
takes another one, so we can drop it after the rtc_open() call.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
parent ce788f93

kernel/time/alarmtimer.c

+7 −1
Original line number Diff line number Diff line
@@ -675,8 +675,14 @@ static int __init alarmtimer_init_late(void) 
	/* Find an rtc device and init the rtc_timer */

	dev = class_find_device(rtc_class, NULL, &str, has_wakealarm);

	/* If we have a device then str is valid. See has_wakealarm() */

	if (dev)

	if (dev) {

		rtcdev = rtc_class_open(str);

		/*

		 * Drop the reference we got in class_find_device,

		 * rtc_open takes its own.

		 */

		put_device(dev);

	}

	if (!rtcdev) {

		printk(KERN_WARNING "No RTC device found, ALARM timers will"

			" not wake from suspend");