ACPICA: Predefined name repair: fix NULL package elements

For the predefined methods that return fixed-length packages
(or subpackages), attempt repair for a NULL element. Create an
Integer of value 0, a NULL String, or a zero-length buffer as
appropriate.

http://www.acpica.org/bugzilla/show_bug.cgi?id=818

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h
index 73f9b0c..258159c 100644
--- a/drivers/acpi/acpica/acnamesp.h
+++ b/drivers/acpi/acpica/acnamesp.h
@@ -286,6 +286,17 @@
 acpi_ns_repair_package_list(struct acpi_predefined_data *data,
 			    union acpi_operand_object **obj_desc_ptr);
 
+acpi_status
+acpi_ns_repair_null_element(struct acpi_predefined_data *data,
+			    u32 expected_btypes,
+			    u32 package_index,
+			    union acpi_operand_object **return_object_ptr);
+
+void
+acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
+			     u8 package_type,
+			     union acpi_operand_object *obj_desc);
+
 /*
  * nsrepair2 - Return object repair for specific
  * predefined methods/objects
@@ -296,11 +307,6 @@
 			acpi_status validate_status,
 			union acpi_operand_object **return_object_ptr);
 
-void
-acpi_ns_remove_null_elements(struct acpi_predefined_data *data,
-			     u8 package_type,
-			     union acpi_operand_object *obj_desc);
-
 /*
  * nssearch - Namespace searching and entry
  */