gpio: sysfs: call mutex_destroy() in gpiod_unexport()

While not critical, it's useful to have the corresponding call to
mutex_destroy() whenever we use mutex_init(). Add the call right before
kfreeing the GPIO data.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250610-gpio-sysfs-chip-export-v1-3-a8c7aa4478b1@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index 4a3aa09dad9d54dc77f28d596723fd5546cb3ae8..cd3381a4bc93a94b9a975248ae3e4bd8c2a3eb4b 100644 (file)
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -713,6 +713,7 @@ void gpiod_unexport(struct gpio_desc *desc)
        }
 
        put_device(dev);
+       mutex_destroy(&data->mutex);
        kfree(data);
 }
 EXPORT_SYMBOL_GPL(gpiod_unexport);