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hwmon: (wm831x-hwmon) Convert to use devm_ functions

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Convert to use devm_ functions to reduce code size and simplify the code.

Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Guenter Roeck 2012-06-02 11:48:02 -07:00
parent e41f6432d1
commit e7d5bf7ed5
1 changed files with 3 additions and 6 deletions
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9
drivers/hwmon/wm831x-hwmon.c
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@ -163,7 +163,8 @@ static int __devinit wm831x_hwmon_probe(struct platform_device *pdev)
struct wm831x_hwmon *hwmon;
int ret;
hwmon = kzalloc(sizeof(struct wm831x_hwmon), GFP_KERNEL);
hwmon = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_hwmon),
GFP_KERNEL);
if (!hwmon)
return -ENOMEM;
@ -171,7 +172,7 @@ static int __devinit wm831x_hwmon_probe(struct platform_device *pdev)
ret = sysfs_create_group(&pdev->dev.kobj, &wm831x_attr_group);
if (ret)
goto err;
return ret;
hwmon->classdev = hwmon_device_register(&pdev->dev);
if (IS_ERR(hwmon->classdev)) {
@ -185,8 +186,6 @@ static int __devinit wm831x_hwmon_probe(struct platform_device *pdev)
err_sysfs:
sysfs_remove_group(&pdev->dev.kobj, &wm831x_attr_group);
err:
kfree(hwmon);
return ret;
}
@ -196,8 +195,6 @@ static int __devexit wm831x_hwmon_remove(struct platform_device *pdev)
hwmon_device_unregister(hwmon->classdev);
sysfs_remove_group(&pdev->dev.kobj, &wm831x_attr_group);
platform_set_drvdata(pdev, NULL);
kfree(hwmon);
return 0;
}