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PM / sleep: fix device reference leak in test_suspend

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Make sure to drop the reference taken by class_find_device() after
opening the RTC device.

Fixes: 77437fd4e6 (pm: boot time suspend selftest)
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Johan Hovold 2016-11-01 11:49:56 +01:00 • committed by Rafael J. Wysocki
parent a909d3e636
commit ceb75787bc
1 changed files with 3 additions and 1 deletions
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4
kernel/power/suspend_test.c
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@ -203,8 +203,10 @@ static int __init test_suspend(void)
/* RTCs have initialized by now too ... can we use one? */ /* RTCs have initialized by now too ... can we use one? */
dev = class_find_device(rtc_class, NULL, NULL, has_wakealarm); dev = class_find_device(rtc_class, NULL, NULL, has_wakealarm);
if (dev) if (dev) {
rtc = rtc_class_open(dev_name(dev)); rtc = rtc_class_open(dev_name(dev));
put_device(dev);
}
if (!rtc) { if (!rtc) {
printk(warn_no_rtc); printk(warn_no_rtc);
return 0; return 0;