gpio: remember to finally free gpio_device

When the device core reference count for the device goes to
0 and it calls .release() we free resources and so can also
finally free up the GPIO state container, struct gpio_device.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 70e0fff0a8a7b951a767d86ac354471ccc5a9431..36f8be3f910b61799e271bcc4de9435e93a9fd48 100644 (file)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -405,6 +405,7 @@ static void gpiodevice_release(struct device *dev)
        cdev_del(&gdev->chrdev);
        list_del(&gdev->list);
        ida_simple_remove(&gpio_ida, gdev->id);
+       kfree(gdev);
 }
 
 /**