NOTIFY_OK 165 include/linux/notifier.h #define NOTIFY_STOP (NOTIFY_OK|NOTIFY_STOP_MASK) NOTIFY_OK 171 include/linux/notifier.h return NOTIFY_STOP_MASK | (NOTIFY_OK - err); NOTIFY_OK 173 include/linux/notifier.h return NOTIFY_OK; NOTIFY_OK 180 include/linux/notifier.h return ret > NOTIFY_OK ? NOTIFY_OK - ret : 0;