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ACPICA: Fix a regression in the acpi_evaluate_object_type() interface

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ACPICA commit 9ab548ef154b992208524d61770caca90a9762be

The optional Pathname parameter inadvertently became required.
Introduced in April 2017.

Link: https://github.com/acpica/acpica/commit/9ab548ef
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2018-01-03 15:06:22 -08:00 committed by Rafael J. Wysocki
parent 6be2d72b18
commit 896bece7ec
1 changed files with 5 additions and 4 deletions
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9
drivers/acpi/acpica/nsxfeval.c
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@ -61,10 +61,10 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info);
*
* PARAMETERS: handle - Object handle (optional)
* pathname - Object pathname (optional)
* external_params - List of parameters to pass to method,
* external_params - List of parameters to pass to a method,
* terminated by NULL. May be NULL
* if no parameters are being passed.
* return_buffer - Where to put method's return value (if
* return_buffer - Where to put the object's return value (if
* any). If NULL, no value is returned.
* return_type - Expected type of return object
*
@ -100,13 +100,14 @@ acpi_evaluate_object_typed(acpi_handle handle,
free_buffer_on_error = TRUE;
}
/* Get a handle here, in order to build an error message if needed */
target_handle = handle;
if (pathname) {
status = acpi_get_handle(handle, pathname, &target_handle);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
} else {
target_handle = handle;
}
full_pathname = acpi_ns_get_external_pathname(target_handle);