| From | Jiri Slaby <> | Subject | [PATCH 3.12 077/127] PM / sleep: fix device reference leak in test_suspend | Date | Fri, 25 Nov 2016 09:29:50 +0100 |
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From: Johan Hovold <johan@kernel.org>
3.12-stable review patch. If anyone has any objections, please let me know.
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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@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz> --- 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
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