pwm: Fix device reference leak
authorJohan Hovold <johan@kernel.org>
Tue, 1 Nov 2016 10:46:39 +0000 (11:46 +0100)
committerThierry Reding <thierry.reding@gmail.com>
Tue, 29 Nov 2016 15:43:24 +0000 (16:43 +0100)
commit0e1614ac84f1719d87bed577963bb8140d0c9ce8
treeb3ad9192f727ff4df30142331c4fda8c21cdbe93
parentc699995663b40d61afcc14ca27f0106f13151772
pwm: Fix device reference leak

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@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
drivers/pwm/sysfs.c