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hwmon: (ntc_thermistor) Convert to devm_kzalloc

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This avoids memory leaks, and makes the code a bit simpler and smaller.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
This commit is contained in:
Guenter Roeck 2012-04-23 10:39:00 -07:00
parent 1137a9a649
commit 41141e64e6
1 changed files with 3 additions and 8 deletions
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11
drivers/hwmon/ntc_thermistor.c
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@ -349,7 +349,7 @@ static int __devinit ntc_thermistor_probe(struct platform_device *pdev)
return -EINVAL;
}
data = kzalloc(sizeof(struct ntc_data), GFP_KERNEL);
data = devm_kzalloc(&pdev->dev, sizeof(struct ntc_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@ -370,8 +370,7 @@ static int __devinit ntc_thermistor_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Unknown device type: %lu(%s)\n",
pdev->id_entry->driver_data,
pdev->id_entry->name);
ret = -EINVAL;
goto err;
return -EINVAL;
}
platform_set_drvdata(pdev, data);
@ -379,7 +378,7 @@ static int __devinit ntc_thermistor_probe(struct platform_device *pdev)
ret = sysfs_create_group(&data->dev->kobj, &ntc_attr_group);
if (ret) {
dev_err(data->dev, "unable to create sysfs files\n");
goto err;
return ret;
}
data->hwmon_dev = hwmon_device_register(data->dev);
@ -395,8 +394,6 @@ static int __devinit ntc_thermistor_probe(struct platform_device *pdev)
return 0;
err_after_sysfs:
sysfs_remove_group(&data->dev->kobj, &ntc_attr_group);
err:
kfree(data);
return ret;
}
@ -408,8 +405,6 @@ static int __devexit ntc_thermistor_remove(struct platform_device *pdev)
sysfs_remove_group(&data->dev->kobj, &ntc_attr_group);
platform_set_drvdata(pdev, NULL);
kfree(data);
return 0;
}