net/ipv4/igmp.c

1390 	struct ip_mc_list __rcu **mc_hash;
1393 	mc_hash = rtnl_dereference(in_dev->mc_hash);
1394 	if (mc_hash) {
1396 		im->next_hash = mc_hash[hash];
1397 		rcu_assign_pointer(mc_hash[hash], im);
1405 	mc_hash = kzalloc(sizeof(struct ip_mc_list *) << MC_HASH_SZ_LOG,
1407 	if (!mc_hash)
1412 		im->next_hash = mc_hash[hash];
1413 		RCU_INIT_POINTER(mc_hash[hash], im);
1416 	rcu_assign_pointer(in_dev->mc_hash, mc_hash);
1422 	struct ip_mc_list __rcu **mc_hash = rtnl_dereference(in_dev->mc_hash);
1425 	if (!mc_hash)
1427 	mc_hash += ip_mc_hash(im);
1428 	while ((aux = rtnl_dereference(*mc_hash)) != im)
1429 		mc_hash = &aux->next_hash;
1430 	*mc_hash = im->next_hash;
2722 	struct ip_mc_list __rcu **mc_hash;
2726 	mc_hash = rcu_dereference(in_dev->mc_hash);
2727 	if (mc_hash) {
2730 		for (im = rcu_dereference(mc_hash[hash]);