- if (path) {
- /*
- * Lookup the name in the internal namespace
- */
- scope_info.scope.node = NULL;
- node = parser_state->start_node;
- if (node) {
- scope_info.scope.node = node;
+ scope_info.scope.node = NULL;
+ node = parser_state->start_node;
+ if (node) {
+ scope_info.scope.node = node;
+ }
+
+ /*
+ * Lookup the name in the internal namespace. We don't want to add
+ * anything new to the namespace here, however, so we use MODE_EXECUTE.
+ * Allow searching of the parent tree, but don't open a new scope -
+ * we just want to lookup the object (must be mode EXECUTE to perform
+ * the upsearch)
+ */
+ status =
+ acpi_ns_lookup(&scope_info, path, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
+ NULL, &node);
+
+ /*
+ * If this name is a control method invocation, we must
+ * setup the method call
+ */
+ if (ACPI_SUCCESS(status) &&
+ possible_method_call && (node->type == ACPI_TYPE_METHOD)) {
+ /* This name is actually a control method invocation */
+
+ method_desc = acpi_ns_get_attached_object(node);
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+ "Control Method - %p Desc %p Path=%p\n", node,
+ method_desc, path));
+
+ name_op = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP);
+ if (!name_op) {
+ return_ACPI_STATUS(AE_NO_MEMORY);