linux-master/kernel/notifier.c

62  * notifier_call_chain - Informs the registered notifiers about an event.
70  *	Return:		notifier_call_chain returns the value returned by the
73 static int notifier_call_chain(struct notifier_block **nl,
105 NOKPROBE_SYMBOL(notifier_call_chain);
117  *		invocations of notifier_call_chain() such that we visit the
128 	ret = notifier_call_chain(nl, val_up, v, -1, &nr);
130 		notifier_call_chain(nl, val_down, v, nr-1, NULL);
231 	ret = notifier_call_chain(&nh->head, val, v, -1, NULL);
388 		ret = notifier_call_chain(&nh->head, val, v, -1, NULL);
461 	return notifier_call_chain(&nh->head, val, v, -1, NULL);
554 	ret = notifier_call_chain(&nh->head, val, v, -1, NULL);