141 #define for_each_subsystem(sys_dir, sys_dirent, sys_next)	       \  argument
142 	while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next)	       \
147 static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir)  in tp_event_has_id()  argument
153 			sys_dir->d_name, evt_dir->d_name);  in tp_event_has_id()
175 	DIR *sys_dir, *evt_dir;  in tracepoint_id_to_path()  local
183 	sys_dir = opendir(tracing_events_path);  in tracepoint_id_to_path()
184 	if (!sys_dir)  in tracepoint_id_to_path()
187 	for_each_subsystem(sys_dir, sys_dirent, sys_next) {  in tracepoint_id_to_path()
210 				closedir(sys_dir);  in tracepoint_id_to_path()
233 	closedir(sys_dir);  in tracepoint_id_to_path()
1631 	DIR *sys_dir, *evt_dir;  in print_tracepoint_events()  local
1640 	sys_dir = opendir(tracing_events_path);  in print_tracepoint_events()
1641 	if (!sys_dir)  in print_tracepoint_events()
1650 	for_each_subsystem(sys_dir, sys_dirent, sys_next) {  in print_tracepoint_events()
1681 	closedir(sys_dir);  in print_tracepoint_events()
1710 	closedir(sys_dir);  in print_tracepoint_events()
1724 	DIR *sys_dir, *evt_dir;  in is_valid_tracepoint()  local
1729 	sys_dir = opendir(tracing_events_path);  in is_valid_tracepoint()
1730 	if (!sys_dir)  in is_valid_tracepoint()
1733 	for_each_subsystem(sys_dir, sys_dirent, sys_next) {  in is_valid_tracepoint()
1746 				closedir(sys_dir);  in is_valid_tracepoint()
1752 	closedir(sys_dir);  in is_valid_tracepoint()