static void quickstart_exit(void)
{
input_unregister_device(quickstart_input);
- input_free_device(quickstart_input);
device_remove_file(&pf_device->dev, &dev_attr_pressed_button);
device_remove_file(&pf_device->dev, &dev_attr_buttons);
{
struct quickstart_btn **ptr = &quickstart_data.btn_lst;
int count;
+ int ret;
quickstart_input = input_allocate_device();
ptr = &((*ptr)->next);
}
- return input_register_device(quickstart_input);
+ ret = input_register_device(quickstart_input);
+ if (ret) {
+ input_free_device(quickstart_input);
+ return ret;
+ }
+
+ return 0;
}
static int __init quickstart_init(void)
{
int ret;
- acpi_status status = 0;
/* ACPI Check */
if (acpi_disabled)
return -ENODEV;
/* ACPI driver register */
- status = acpi_bus_register_driver(&quickstart_acpi_driver);
- if (status < 0)
- return -ENODEV;
+ ret = acpi_bus_register_driver(&quickstart_acpi_driver);
+ if (ret)
+ return ret;
/* If existing bus with no devices */
if (!quickstart_data.btn_lst) {