rtc: destroy mutex when releasing the device

Not destroying mutexes doesn't lead to resource leak but it's the correct
thing to do for mutex debugging accounting.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201110094205.8972-1-brgl@bgdev.pl

diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index a1b3711aaf0171234f0a46855e27d985ff193036..e6b44b7c4ad3ac3fa43eb73ca5aedfa3663a2233 100644 (file)
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -28,6 +28,7 @@ static void rtc_device_release(struct device *dev)
        struct rtc_device *rtc = to_rtc_device(dev);
 
        ida_simple_remove(&rtc_ida, rtc->id);
+       mutex_destroy(&rtc->ops_lock);
        kfree(rtc);
 }