net/ipv6/addrlabel.c

164 	struct ip6addrlbl_entry *newp;
189 	newp = kmalloc(sizeof(*newp), GFP_KERNEL);
190 	if (!newp)
193 	ipv6_addr_prefix(&newp->prefix, prefix, prefixlen);
194 	newp->prefixlen = prefixlen;
195 	newp->ifindex = ifindex;
196 	newp->addrtype = addrtype;
197 	newp->label = label;
198 	INIT_HLIST_NODE(&newp->list);
199 	return newp;
203 static int __ip6addrlbl_add(struct net *net, struct ip6addrlbl_entry *newp,
210 	ADDRLABEL(KERN_DEBUG "%s(newp=%p, replace=%d)\n", __func__, newp,
214 		if (p->prefixlen == newp->prefixlen &&
215 		    p->ifindex == newp->ifindex &&
216 		    ipv6_addr_equal(&p->prefix, &newp->prefix)) {
221 			hlist_replace_rcu(&p->list, &newp->list);
224 		} else if ((p->prefixlen == newp->prefixlen && !p->ifindex) ||
225 			   (p->prefixlen < newp->prefixlen)) {
226 			hlist_add_before_rcu(&newp->list, &p->list);
232 		hlist_add_behind_rcu(&newp->list, &last->list);
234 		hlist_add_head_rcu(&newp->list, &net->ipv6.ip6addrlbl_table.head);
246 	struct ip6addrlbl_entry *newp;
253 	newp = ip6addrlbl_alloc(prefix, prefixlen, ifindex, label);
254 	if (IS_ERR(newp))
255 		return PTR_ERR(newp);
257 	ret = __ip6addrlbl_add(net, newp, replace);
260 		kfree(newp);