131 #define for_each_subsystem(sys_dir, sys_dirent, sys_next)	       \  argument
132 	while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next)	       \
137 static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir)  in tp_event_has_id()  argument
143 			sys_dir->d_name, evt_dir->d_name);  in tp_event_has_id()
165 	DIR *sys_dir, *evt_dir;  in tracepoint_id_to_path()  local
173 	sys_dir = opendir(tracing_events_path);  in tracepoint_id_to_path()
174 	if (!sys_dir)  in tracepoint_id_to_path()
177 	for_each_subsystem(sys_dir, sys_dirent, sys_next) {  in tracepoint_id_to_path()
200 				closedir(sys_dir);  in tracepoint_id_to_path()
223 	closedir(sys_dir);  in tracepoint_id_to_path()
1108 	DIR *sys_dir, *evt_dir;  in print_tracepoint_events()  local
1117 	sys_dir = opendir(tracing_events_path);  in print_tracepoint_events()
1118 	if (!sys_dir)  in print_tracepoint_events()
1127 	for_each_subsystem(sys_dir, sys_dirent, sys_next) {  in print_tracepoint_events()
1158 	closedir(sys_dir);  in print_tracepoint_events()
1187 	closedir(sys_dir);  in print_tracepoint_events()
1201 	DIR *sys_dir, *evt_dir;  in is_valid_tracepoint()  local
1206 	sys_dir = opendir(tracing_events_path);  in is_valid_tracepoint()
1207 	if (!sys_dir)  in is_valid_tracepoint()
1210 	for_each_subsystem(sys_dir, sys_dirent, sys_next) {  in is_valid_tracepoint()
1223 				closedir(sys_dir);  in is_valid_tracepoint()
1229 	closedir(sys_dir);  in is_valid_tracepoint()