serial: max310x: Add missing mutex_destroy() on driver exit
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 2a12cbc..c180576 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1134,8 +1134,6 @@
s->devtype = devtype;
dev_set_drvdata(dev, s);
- mutex_init(&s->mutex);
-
/* Check device to ensure we are talking to what we expect */
ret = devtype->detect(dev);
if (ret)
@@ -1193,6 +1191,8 @@
goto out_uart;
#endif
+ mutex_init(&s->mutex);
+
for (i = 0; i < devtype->nr; i++) {
/* Initialize port data */
s->p[i].port.line = i;
@@ -1233,6 +1233,8 @@
dev_err(dev, "Unable to reguest IRQ %i\n", irq);
+ mutex_destroy(&s->mutex);
+
#ifdef CONFIG_GPIOLIB
WARN_ON(gpiochip_remove(&s->gpio));
#endif
@@ -1264,6 +1266,7 @@
s->devtype->power(&s->p[i].port, 0);
}
+ mutex_destroy(&s->mutex);
uart_unregister_driver(&s->uart);
clk_disable_unprepare(s->clk);