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gpio: wm831x: Convert to use devm_kzalloc API

PATCH Applied Axel Lin 2 participants 4 messages Sep 2, 2012 – Sep 4, 2012

Subsystems (2)
GPIO Wolfson microelectronics drivers
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Axel Lin

author
#0 lore raw

PATCH 1/2 gpio: wm831x: Convert to use devm_kzalloc API

Signed-off-by Axel Lin <[email protected]>
---
 drivers/gpio/gpio-wm831x.c |   19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)
drivers/gpio/gpio-wm831x.c +5 -14
index e56a216..b6eda35 100644
@@ -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 = {
Signature · 1 line
1.7.9.5
author
#1 lore raw

PATCH 2/2 gpio: wm8350: Convert to use devm_kzalloc API

Signed-off-by Axel Lin <[email protected]>
---
 drivers/gpio/gpio-wm8350.c |   19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)
drivers/gpio/gpio-wm8350.c +5 -14
index a06af51..fb42938 100644
@@ -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 = {
Signature · 1 line
1.7.9.5