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path: root/drivers/acpi/acpica/utdelete.c
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Diffstat (limited to 'drivers/acpi/acpica/utdelete.c')
-rw-r--r--drivers/acpi/acpica/utdelete.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index a5ee23bc4f5..bc171031508 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -75,6 +75,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
union acpi_operand_object *handler_desc;
union acpi_operand_object *second_desc;
union acpi_operand_object *next_desc;
+ union acpi_operand_object **last_obj_ptr;
ACPI_FUNCTION_TRACE_PTR(ut_delete_internal_obj, object);
@@ -223,6 +224,26 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
*/
handler_desc = object->region.handler;
if (handler_desc) {
+ next_desc =
+ handler_desc->address_space.region_list;
+ last_obj_ptr =
+ &handler_desc->address_space.region_list;
+
+ /* Remove the region object from the handler's list */
+
+ while (next_desc) {
+ if (next_desc == object) {
+ *last_obj_ptr =
+ next_desc->region.next;
+ break;
+ }
+
+ /* Walk the linked list of handler */
+
+ last_obj_ptr = &next_desc->region.next;
+ next_desc = next_desc->region.next;
+ }
+
if (handler_desc->address_space.handler_flags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {