138 	struct ipv6_mc_socklist *mc_lst;  in ipv6_sock_mc_join()  local
149 	for_each_pmc_rcu(np, mc_lst) {  in ipv6_sock_mc_join()
150 		if ((ifindex == 0 || mc_lst->ifindex == ifindex) &&  in ipv6_sock_mc_join()
151 		    ipv6_addr_equal(&mc_lst->addr, addr)) {  in ipv6_sock_mc_join()
158 	mc_lst = sock_kmalloc(sk, sizeof(struct ipv6_mc_socklist), GFP_KERNEL);  in ipv6_sock_mc_join()
160 	if (!mc_lst)  in ipv6_sock_mc_join()
163 	mc_lst->next = NULL;  in ipv6_sock_mc_join()
164 	mc_lst->addr = *addr;  in ipv6_sock_mc_join()
177 		sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));  in ipv6_sock_mc_join()
181 	mc_lst->ifindex = dev->ifindex;  in ipv6_sock_mc_join()
182 	mc_lst->sfmode = MCAST_EXCLUDE;  in ipv6_sock_mc_join()
183 	rwlock_init(&mc_lst->sflock);  in ipv6_sock_mc_join()
184 	mc_lst->sflist = NULL;  in ipv6_sock_mc_join()
193 		sock_kfree_s(sk, mc_lst, sizeof(*mc_lst));  in ipv6_sock_mc_join()
197 	mc_lst->next = np->ipv6_mc_list;  in ipv6_sock_mc_join()
198 	rcu_assign_pointer(np->ipv6_mc_list, mc_lst);  in ipv6_sock_mc_join()
210 	struct ipv6_mc_socklist *mc_lst;  in ipv6_sock_mc_drop()  local
220 	     (mc_lst = rtnl_dereference(*lnk)) != NULL;  in ipv6_sock_mc_drop()
221 	      lnk = &mc_lst->next) {  in ipv6_sock_mc_drop()
222 		if ((ifindex == 0 || mc_lst->ifindex == ifindex) &&  in ipv6_sock_mc_drop()
223 		    ipv6_addr_equal(&mc_lst->addr, addr)) {  in ipv6_sock_mc_drop()
226 			*lnk = mc_lst->next;  in ipv6_sock_mc_drop()
228 			dev = __dev_get_by_index(net, mc_lst->ifindex);  in ipv6_sock_mc_drop()
232 				(void) ip6_mc_leave_src(sk, mc_lst, idev);  in ipv6_sock_mc_drop()
234 					__ipv6_dev_mc_dec(idev, &mc_lst->addr);  in ipv6_sock_mc_drop()
236 				(void) ip6_mc_leave_src(sk, mc_lst, NULL);  in ipv6_sock_mc_drop()
238 			atomic_sub(sizeof(*mc_lst), &sk->sk_omem_alloc);  in ipv6_sock_mc_drop()
239 			kfree_rcu(mc_lst, rcu);  in ipv6_sock_mc_drop()
282 	struct ipv6_mc_socklist *mc_lst;  in ipv6_sock_mc_close()  local
289 	while ((mc_lst = rtnl_dereference(np->ipv6_mc_list)) != NULL) {  in ipv6_sock_mc_close()
292 		np->ipv6_mc_list = mc_lst->next;  in ipv6_sock_mc_close()
294 		dev = __dev_get_by_index(net, mc_lst->ifindex);  in ipv6_sock_mc_close()
298 			(void) ip6_mc_leave_src(sk, mc_lst, idev);  in ipv6_sock_mc_close()
300 				__ipv6_dev_mc_dec(idev, &mc_lst->addr);  in ipv6_sock_mc_close()
302 			(void) ip6_mc_leave_src(sk, mc_lst, NULL);  in ipv6_sock_mc_close()
304 		atomic_sub(sizeof(*mc_lst), &sk->sk_omem_alloc);  in ipv6_sock_mc_close()
305 		kfree_rcu(mc_lst, rcu);  in ipv6_sock_mc_close()