WMI: remove EC region handler when _WDG parsing fails

Driver initialization was forgetting to remove EC address space handler
in cases when parse_wdg() method failed.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Dmitry Torokhov 2010-08-26 00:14:42 -07:00 committed by Matthew Garrett
parent ac9b1e5b63
commit 5212cd678a

View File

@ -956,12 +956,17 @@ static int acpi_wmi_add(struct acpi_device *device)
ACPI_ADR_SPACE_EC,
&acpi_wmi_ec_space_handler,
NULL, NULL);
if (ACPI_FAILURE(status))
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX "Error installing EC region handler\n");
return -ENODEV;
}
status = parse_wdg(device->handle);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX "Error installing EC region handler\n");
acpi_remove_address_space_handler(device->handle,
ACPI_ADR_SPACE_EC,
&acpi_wmi_ec_space_handler);
printk(KERN_ERR PREFIX "Failed to parse WDG method\n");
return -ENODEV;
}