264 	struct landlock_rule *walker_rule, *next_rule;  in merge_ruleset()  local
287 	rbtree_postorder_for_each_entry_safe(walker_rule, next_rule, &src->root,  in merge_ruleset()
293 		if (WARN_ON_ONCE(walker_rule->num_layers != 1)) {  in merge_ruleset()
297 		if (WARN_ON_ONCE(walker_rule->layers[0].level != 0)) {  in merge_ruleset()
301 		layers[0].access = walker_rule->layers[0].access;  in merge_ruleset()
302 		err = insert_rule(dst, walker_rule->object, &layers,  in merge_ruleset()
317 	struct landlock_rule *walker_rule, *next_rule;  in inherit_ruleset()  local
329 	rbtree_postorder_for_each_entry_safe(walker_rule, next_rule,  in inherit_ruleset()
331 		err = insert_rule(child, walker_rule->object,  in inherit_ruleset()
332 				  &walker_rule->layers,  in inherit_ruleset()
333 				  walker_rule->num_layers);  in inherit_ruleset()