152 static struct allowedips_node *find_node(struct allowedips_node *trie, u8 bits,  in find_node()  argument
155 	struct allowedips_node *node = trie, *found = NULL;  in find_node()
190 static bool node_placement(struct allowedips_node __rcu *trie, const u8 *key,  in node_placement()  argument
194 	struct allowedips_node *node = rcu_dereference_protected(trie,  in node_placement()
212 static int add(struct allowedips_node __rcu **trie, u8 bits, const u8 *key,  in add()  argument
220 	if (!rcu_access_pointer(*trie)) {  in add()
227 		rcu_assign_pointer(*trie, node);  in add()
230 	if (node_placement(*trie, key, cidr, bits, &node, lock)) {  in add()
244 		down = rcu_dereference_protected(*trie, lockdep_is_held(lock));  in add()
259 			rcu_assign_pointer(*trie, newnode);  in add()
276 			rcu_assign_pointer(*trie, node);  in add()