From: Johan Hovold <johan@xxxxxxxxxx> 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit ceb75787bc75d0a7b88519ab8a68067ac690f55a upstream. Make sure to drop the reference taken by class_find_device() after opening the RTC device. Fixes: 77437fd4e61f (pm: boot time suspend selftest) Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Jiri Slaby <jslaby@xxxxxxx> --- kernel/power/suspend_test.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c index 269b097e78ea..743615bfdcec 100644 --- a/kernel/power/suspend_test.c +++ b/kernel/power/suspend_test.c @@ -169,8 +169,10 @@ static int __init test_suspend(void) /* RTCs have initialized by now too ... can we use one? */ dev = class_find_device(rtc_class, NULL, NULL, has_wakealarm); - if (dev) + if (dev) { rtc = rtc_class_open(dev_name(dev)); + put_device(dev); + } if (!rtc) { printk(warn_no_rtc); goto done; -- 2.10.2 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html