gpio: wm8350: Convert to use devm_kzalloc API

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-wm8350.c b/drivers/gpio/gpio-wm8350.c
index a06af51..fb42938 100644 (file)
--- a/drivers/gpio/gpio-wm8350.c
+++ b/drivers/gpio/gpio-wm8350.c
@@ -116,7 +116,8 @@ static int __devinit wm8350_gpio_probe(struct platform_device *pdev)
        struct wm8350_gpio_data *wm8350_gpio;
        int ret;
 
-       wm8350_gpio = kzalloc(sizeof(*wm8350_gpio), GFP_KERNEL);
+       wm8350_gpio = devm_kzalloc(&pdev->dev, sizeof(*wm8350_gpio),
+                                  GFP_KERNEL);
        if (wm8350_gpio == NULL)
                return -ENOMEM;
 
@@ -131,30 +132,20 @@ static int __devinit wm8350_gpio_probe(struct platform_device *pdev)
 
        ret = gpiochip_add(&wm8350_gpio->gpio_chip);
        if (ret < 0) {
-               dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
-                       ret);
-               goto err;
+               dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
+               return ret;
        }
 
        platform_set_drvdata(pdev, wm8350_gpio);
 
        return ret;
-
-err:
-       kfree(wm8350_gpio);
-       return ret;
 }
 
 static int __devexit wm8350_gpio_remove(struct platform_device *pdev)
 {
        struct wm8350_gpio_data *wm8350_gpio = platform_get_drvdata(pdev);
-       int ret;
-
-       ret = gpiochip_remove(&wm8350_gpio->gpio_chip);
-       if (ret == 0)
-               kfree(wm8350_gpio);
 
-       return ret;
+       return gpiochip_remove(&wm8350_gpio->gpio_chip);
 }
 
 static struct platform_driver wm8350_gpio_driver = {