linux-kernel - [PATCH 2/4] gpiolib: wm8994: Convert to devm

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Date:	Wed,  4 Jul 2012 17:12:56 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...aro.org>
Cc:	linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 2/4] gpiolib: wm8994: Convert to devm_kzalloc()

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@...aro.org>
---
 drivers/gpio/gpio-wm8994.c |   11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/gpio/gpio-wm8994.c b/drivers/gpio/gpio-wm8994.c
index a1c7ba9..f2b3d19 100644
--- a/drivers/gpio/gpio-wm8994.c
+++ b/drivers/gpio/gpio-wm8994.c
@@ -249,7 +249,8 @@ static int __devinit wm8994_gpio_probe(struct platform_device *pdev)
 	struct wm8994_gpio *wm8994_gpio;
 	int ret;
 
-	wm8994_gpio = kzalloc(sizeof(*wm8994_gpio), GFP_KERNEL);
+	wm8994_gpio = devm_kzalloc(&pdev->dev, sizeof(*wm8994_gpio),
+				   GFP_KERNEL);
 	if (wm8994_gpio == NULL)
 		return -ENOMEM;
 
@@ -274,20 +275,14 @@ static int __devinit wm8994_gpio_probe(struct platform_device *pdev)
 	return ret;
 
 err:
-	kfree(wm8994_gpio);
 	return ret;
 }
 
 static int __devexit wm8994_gpio_remove(struct platform_device *pdev)
 {
 	struct wm8994_gpio *wm8994_gpio = platform_get_drvdata(pdev);
-	int ret;
-
-	ret = gpiochip_remove(&wm8994_gpio->gpio_chip);
-	if (ret == 0)
-		kfree(wm8994_gpio);
 
-	return ret;
+	return gpiochip_remove(&wm8994_gpio->gpio_chip);
 }
 
 static struct platform_driver wm8994_gpio_driver = {
-- 
1.7.10

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