1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c
index f771e978c403..af9fe9103734 100644
--- a/drivers/acpi/acpica/nseval.c
+++ b/drivers/acpi/acpica/nseval.c
@@ -381,6 +381,18 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
                                     method_obj->method.next_object);
         type = acpi_ns_get_type(parent_node);
 
+        /*
+         * Get the region handler and save it in the method object. We may need
+         * this if an operation region declaration causes a _REG method to be run.
+         *
+         * We can't do this in acpi_ps_link_module_code because
+         * acpi_gbl_root_node->Object is NULL at PASS1.
+         */
+        if ((type == ACPI_TYPE_DEVICE) && parent_node->object) {
+                method_obj->method.extra.handler =
+                    parent_node->object->device.handler;
+        }
+
         /* Must clear next_object (acpi_ns_attach_object needs the field) */
 
         method_obj->method.next_object = NULL;
@@ -415,6 +427,12 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
         ACPI_DEBUG_PRINT((ACPI_DB_INIT, "Executed module-level code at %p\n",
                           method_obj->method.aml_start));
 
+        /* Delete a possible implicit return value (in slack mode) */
+
+        if (info->return_object) {
+                acpi_ut_remove_reference(info->return_object);
+        }
+
         /* Detach the temporary method object */
 
         acpi_ns_detach_object(parent_node);