1609 	if (ro->ro_rt != NULL) {  in in_pcbladdr()
1610 		RT_LOCK_SPIN(ro->ro_rt);  in in_pcbladdr()
1615 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1616 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1621 	    (ro->ro_rt == NULL || ro->ro_rt->rt_ifp == NULL)) {  in in_pcbladdr()
1622 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1623 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1632 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1633 			RT_LOCK_SPIN(ro->ro_rt);  in in_pcbladdr()
1646 	if (ro->ro_rt == NULL) {  in in_pcbladdr()
1663 	RT_LOCK_ASSERT_HELD(ro->ro_rt);  in in_pcbladdr()
1668 	if (!(ro->ro_rt->rt_ifp->if_flags & IFF_LOOPBACK)) {  in in_pcbladdr()
1676 		if (inp_restricted_send(inp, ro->ro_rt->rt_ifp)) {  in in_pcbladdr()
1677 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1683 			RT_CONVERT_LOCK(ro->ro_rt);  in in_pcbladdr()
1684 			ia = ifatoia(ro->ro_rt->rt_ifa);  in in_pcbladdr()
1697 			if (IS_INTF_CLAT46(ro->ro_rt->rt_ifp)) {  in in_pcbladdr()
1701 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1706 	VERIFY(ro->ro_rt->rt_ifp->if_flags & IFF_LOOPBACK);  in in_pcbladdr()
1707 	RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1724 		RT_LOCK(ro->ro_rt);  in in_pcbladdr()
1725 		ia = ifatoia(ro->ro_rt->rt_ifa);  in in_pcbladdr()
1729 		RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1791 				if (ro->ro_rt != NULL) {  in in_pcbladdr()
1792 					ifp = ro->ro_rt->rt_ifp;  in in_pcbladdr()
2269 	if ((rt = inp->inp_route.ro_rt) != NULL) {  in in_losing()
2315 	if ((rt = inp->inp_route.ro_rt) != NULL) {  in in_rtchange()
3151 	if (ROUTE_UNUSABLE(src) || rt_key(src->ro_rt)->sa_family != AF_INET) {  in inp_route_copyout()
3166 	if (src->ro_rt != NULL && rt_key(src->ro_rt)->sa_family != AF_INET) {  in inp_route_copyin()
3687 	rtifp = ((inp->inp_route.ro_rt != NULL) ?  in inp_flush()
3688 	    inp->inp_route.ro_rt->rt_ifp : NULL);  in inp_flush()