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 <stable@xxxxxxxxxxxxxxx> know about it. >From 0e1614ac84f1719d87bed577963bb8140d0c9ce8 Mon Sep 17 00:00:00 2001 From: Johan Hovold <johan@xxxxxxxxxx> Date: Tue, 1 Nov 2016 11:46:39 +0100 Subject: pwm: Fix device reference leak From: Johan Hovold <johan@xxxxxxxxxx> 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. Fixes: 0733424c9ba9 ("pwm: Unexport children before chip removal") Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> Signed-off-by: Thierry Reding <thierry.reding@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/pwm/sysfs.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/pwm/sysfs.c +++ b/drivers/pwm/sysfs.c @@ -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 johan@xxxxxxxxxx are queue-4.4/pwm-fix-device-reference-leak.patch -- 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