273 	struct landlock_rule *walker_rule, *next_rule;  in merge_tree()  local
285 	rbtree_postorder_for_each_entry_safe(walker_rule, next_rule, src_root,  in merge_tree()
291 			.key = walker_rule->key,  in merge_tree()
295 		if (WARN_ON_ONCE(walker_rule->num_layers != 1))  in merge_tree()
298 		if (WARN_ON_ONCE(walker_rule->layers[0].level != 0))  in merge_tree()
301 		layers[0].access = walker_rule->layers[0].access;  in merge_tree()
302 		layers[0].flags = walker_rule->layers[0].flags;  in merge_tree()
353 	struct landlock_rule *walker_rule, *next_rule;  in inherit_tree()  local
364 	rbtree_postorder_for_each_entry_safe(walker_rule, next_rule,  in inherit_tree()
367 			.key = walker_rule->key,  in inherit_tree()
372 					  &walker_rule->layers,  in inherit_tree()
373 					  walker_rule->num_layers);  in inherit_tree()