>>> +static int __init intel_menlow_module_init(void)
>>> +{
>>> + int result = -ENODEV;
>>> + acpi_status status;
>>> + unsigned long enable;
>>> +
>>> + if (acpi_disabled)
>>> + return result;
>>> +
>>> + /* Looking for the \_TZ.GSTS method */
>>> + status = acpi_evaluate_integer(NULL, BIOS_ENABLED, NULL, &enable);
>>> + if (ACPI_FAILURE(status) || !enable)
>>> + return -ENODEV;
>>> +
>>> + /* Looking for ACPI device MEM0 with hardware id INT0002 */
>>> + result = acpi_bus_register_driver(&intel_menlow_memory_driver);
>>> + if (result)
>>> + return result;
>>> +
>>> + /* Looking for sensors in each ACPI thermal zone */
>>> + status = acpi_walk_namespace(ACPI_TYPE_THERMAL, ACPI_ROOT_OBJECT,
>>> + ACPI_UINT32_MAX,
>>> + intel_menlow_register_sensor, NULL, NULL);
>>> + if (ACPI_FAILURE(status))
>>> + result = -ENODEV;
>>> +
>> It seems to me this should be 'return -ENODEV;'
>>
>> You can just eliminate variable result, because result will be
>> -ENODEV only.
> I disagree. "result" is required to store the return value from acpi_bus_register_driver which may be different from ENODEV. Otherwise it's all -ENODEV.
>
> :-Sujith
Indead, I overlooked it.
But the above 'result = -ENODEV;' should be 'return -ENODEV;', right?
>>> + return 0;
>>> +}
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