This is a note to let you know that I've just added the patch titled
PM / sleep: fix device reference leak in test_suspend
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pm-sleep-fix-device-reference-leak-in-test_suspend.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ceb75787bc75d0a7b88519ab8a68067ac690f55a Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@xxxxxxxxxx>
Date: Tue, 1 Nov 2016 11:49:56 +0100
Subject: PM / sleep: fix device reference leak in test_suspend
From: Johan Hovold <johan@xxxxxxxxxx>
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: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
kernel/power/suspend_test.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/kernel/power/suspend_test.c
+++ b/kernel/power/suspend_test.c
@@ -203,8 +203,10 @@ 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);
return 0;
Patches currently in stable-queue which might be from johan@xxxxxxxxxx are
queue-4.4/mfd-core-fix-device-reference-leak-in-mfd_clone_cell.patch
queue-4.4/pm-sleep-fix-device-reference-leak-in-test_suspend.patch
queue-4.4/uwb-fix-device-reference-leaks.patch
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