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hwmon/abituguru: Fix unchecked return status

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Fix an unused return value warning for the abituguru driver.
Also make sure the sysfs files are created before we register with
the hwmon class, and delete the sysfs files on driver removal.

Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Hans de Goede 2007-02-14 21:15:05 +01:00 committed by Jean Delvare
parent cae2caae78
commit bc8f0a2685
1 changed files with 21 additions and 9 deletions
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30
drivers/hwmon/abituguru.c
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@ -1267,30 +1267,42 @@ static int __devinit abituguru_probe(struct platform_device *pdev)
printk(KERN_INFO ABIT_UGURU_NAME ": found Abit uGuru\n");
/* Register sysfs hooks */
data->class_dev = hwmon_device_register(&pdev->dev);
if (IS_ERR(data->class_dev)) {
res = PTR_ERR(data->class_dev);
goto abituguru_probe_error;
}
for (i = 0; i < sysfs_attr_i; i++)
device_create_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
if (device_create_file(&pdev->dev,
&data->sysfs_attr[i].dev_attr))
goto abituguru_probe_error;
for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++)
device_create_file(&pdev->dev,
&abituguru_sysfs_attr[i].dev_attr);
if (device_create_file(&pdev->dev,
&abituguru_sysfs_attr[i].dev_attr))
goto abituguru_probe_error;
return 0;
data->class_dev = hwmon_device_register(&pdev->dev);
if (!IS_ERR(data->class_dev))
return 0; /* success */
res = PTR_ERR(data->class_dev);
abituguru_probe_error:
for (i = 0; data->sysfs_attr[i].dev_attr.attr.name; i++)
device_remove_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++)
device_remove_file(&pdev->dev,
&abituguru_sysfs_attr[i].dev_attr);
kfree(data);
return res;
}
static int __devexit abituguru_remove(struct platform_device *pdev)
{
int i;
struct abituguru_data *data = platform_get_drvdata(pdev);
platform_set_drvdata(pdev, NULL);
hwmon_device_unregister(data->class_dev);
for (i = 0; data->sysfs_attr[i].dev_attr.attr.name; i++)
device_remove_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++)
device_remove_file(&pdev->dev,
&abituguru_sysfs_attr[i].dev_attr);
kfree(data);
return 0;