net/ipv4/ipmr.c

1055 	struct sock *mroute_sk;
1061 	mroute_sk = rcu_dereference(mrt->mroute_sk);
1062 	if (!mroute_sk)
1109 		ipv4_pktinfo_prepare(mroute_sk, pkt, false);
1123 	ret = sock_queue_rcv_skb(mroute_sk, skb);
1374 		if (sk == rtnl_dereference(mrt->mroute_sk)) {
1380 			RCU_INIT_POINTER(mrt->mroute_sk, NULL);
1422 		if (sk != rcu_access_pointer(mrt->mroute_sk) &&
1435 		if (rtnl_dereference(mrt->mroute_sk)) {
1442 			rcu_assign_pointer(mrt->mroute_sk, sk);
1451 		if (sk != rcu_access_pointer(mrt->mroute_sk)) {
1479 				      sk == rtnl_dereference(mrt->mroute_sk));
1510 					   sk == rtnl_dereference(mrt->mroute_sk),
1579 		if (sk == rtnl_dereference(mrt->mroute_sk)) {
2219 			struct sock *mroute_sk;
2221 			mroute_sk = rcu_dereference(mrt->mroute_sk);
2222 			if (mroute_sk) {
2224 				raw_rcv(mroute_sk, skb);