21 static int notifier_chain_register(struct notifier_block **nl,  in notifier_chain_register()  argument
24 	while ((*nl) != NULL) {  in notifier_chain_register()
25 		if (n->priority > (*nl)->priority)  in notifier_chain_register()
27 		nl = &((*nl)->next);  in notifier_chain_register()
29 	n->next = *nl;  in notifier_chain_register()
30 	rcu_assign_pointer(*nl, n);  in notifier_chain_register()
34 static int notifier_chain_cond_register(struct notifier_block **nl,  in notifier_chain_cond_register()  argument
37 	while ((*nl) != NULL) {  in notifier_chain_cond_register()
38 		if ((*nl) == n)  in notifier_chain_cond_register()
40 		if (n->priority > (*nl)->priority)  in notifier_chain_cond_register()
42 		nl = &((*nl)->next);  in notifier_chain_cond_register()
44 	n->next = *nl;  in notifier_chain_cond_register()
45 	rcu_assign_pointer(*nl, n);  in notifier_chain_cond_register()
49 static int notifier_chain_unregister(struct notifier_block **nl,  in notifier_chain_unregister()  argument
52 	while ((*nl) != NULL) {  in notifier_chain_unregister()
53 		if ((*nl) == n) {  in notifier_chain_unregister()
54 			rcu_assign_pointer(*nl, n->next);  in notifier_chain_unregister()
57 		nl = &((*nl)->next);  in notifier_chain_unregister()
74 static int notifier_call_chain(struct notifier_block **nl,  in notifier_call_chain()  argument
81 	nb = rcu_dereference_raw(*nl);  in notifier_call_chain()