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gpio: wm831x: Convert to use devm_kzalloc API

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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Axel Lin 2012-09-02 11:58:07 +08:00 committed by Linus Walleij
parent c8554d3248
commit 718bc6e33f
1 changed files with 5 additions and 14 deletions
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19
drivers/gpio/gpio-wm831x.c
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@ -250,7 +250,8 @@ static int __devinit wm831x_gpio_probe(struct platform_device *pdev)
struct wm831x_gpio *wm831x_gpio;
int ret;
wm831x_gpio = kzalloc(sizeof(*wm831x_gpio), GFP_KERNEL);
wm831x_gpio = devm_kzalloc(&pdev->dev, sizeof(*wm831x_gpio),
GFP_KERNEL);
if (wm831x_gpio == NULL)
return -ENOMEM;
@ -265,30 +266,20 @@ static int __devinit wm831x_gpio_probe(struct platform_device *pdev)
ret = gpiochip_add(&wm831x_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, wm831x_gpio);
return ret;
err:
kfree(wm831x_gpio);
return ret;
}
static int __devexit wm831x_gpio_remove(struct platform_device *pdev)
{
struct wm831x_gpio *wm831x_gpio = platform_get_drvdata(pdev);
int ret;
ret = gpiochip_remove(&wm831x_gpio->gpio_chip);
if (ret == 0)
kfree(wm831x_gpio);
return ret;
return gpiochip_remove(&wm831x_gpio->gpio_chip);
}
static struct platform_driver wm831x_gpio_driver = {