1491 	if (ro->ro_rt != NULL) {  in in_pcbladdr()
1492 		RT_LOCK_SPIN(ro->ro_rt);  in in_pcbladdr()
1497 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1498 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1503 	    (ro->ro_rt == NULL || ro->ro_rt->rt_ifp == NULL)) {  in in_pcbladdr()
1504 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1505 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1514 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1515 			RT_LOCK_SPIN(ro->ro_rt);  in in_pcbladdr()
1528 	if (ro->ro_rt == NULL) {  in in_pcbladdr()
1545 	RT_LOCK_ASSERT_HELD(ro->ro_rt);  in in_pcbladdr()
1550 	if (!(ro->ro_rt->rt_ifp->if_flags & IFF_LOOPBACK)) {  in in_pcbladdr()
1558 		if (inp_restricted_send(inp, ro->ro_rt->rt_ifp)) {  in in_pcbladdr()
1559 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1565 			RT_CONVERT_LOCK(ro->ro_rt);  in in_pcbladdr()
1566 			ia = ifatoia(ro->ro_rt->rt_ifa);  in in_pcbladdr()
1579 			if (IS_INTF_CLAT46(ro->ro_rt->rt_ifp)) {  in in_pcbladdr()
1583 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1588 	VERIFY(ro->ro_rt->rt_ifp->if_flags & IFF_LOOPBACK);  in in_pcbladdr()
1589 	RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1606 		RT_LOCK(ro->ro_rt);  in in_pcbladdr()
1607 		ia = ifatoia(ro->ro_rt->rt_ifa);  in in_pcbladdr()
1611 		RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1673 				if (ro->ro_rt != NULL) {  in in_pcbladdr()
1674 					ifp = ro->ro_rt->rt_ifp;  in in_pcbladdr()
2143 	if ((rt = inp->inp_route.ro_rt) != NULL) {  in in_losing()
2189 	if ((rt = inp->inp_route.ro_rt) != NULL) {  in in_rtchange()
3025 	if (ROUTE_UNUSABLE(src) || rt_key(src->ro_rt)->sa_family != AF_INET) {  in inp_route_copyout()
3040 	if (src->ro_rt != NULL && rt_key(src->ro_rt)->sa_family != AF_INET) {  in inp_route_copyin()
3449 	rtifp = ((inp->inp_route.ro_rt != NULL) ?  in inp_flush()
3450 	    inp->inp_route.ro_rt->rt_ifp : NULL);  in inp_flush()