Patch "pwm: Fix device reference leak" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

pwm: Fix device reference leak

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:
pwm-fix-device-reference-leak.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 <[email protected]> know about it.

From: Johan Hovold <[email protected]>
Date: Tue, 1 Nov 2016 11:46:39 +0100
Subject: pwm: Fix device reference leak

From: Johan Hovold <[email protected]>

commit 0e1614ac84f1719d87bed577963bb8140d0c9ce8 upstream.

Make sure to drop the reference to the parent device taken by class_find_device() after "unexporting" any children when deregistering a PWM chip.

---
 drivers/pwm/sysfs.c |    2 ++
 1 file changed, 2 insertions(+)

@@ -366,6 +366,8 @@ void pwmchip_sysfs_unexport_children(str
 		if (test_bit(PWMF_EXPORTED, &pwm->flags))
 			pwm_unexport_child(parent, pwm);
 	}
+
+	put_device(parent);
 }
 
 static int __init pwm_sysfs_init(void)

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/pwm-fix-device-reference-leak.patch