1644 	if (ro->ro_rt != NULL) {  in in_pcbladdr()
1645 		RT_LOCK_SPIN(ro->ro_rt);  in in_pcbladdr()
1650 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1651 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1656 	    (ro->ro_rt == NULL || ro->ro_rt->rt_ifp == NULL)) {  in in_pcbladdr()
1657 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1658 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1667 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1668 			RT_LOCK_SPIN(ro->ro_rt);  in in_pcbladdr()
1681 	if (ro->ro_rt == NULL) {  in in_pcbladdr()
1698 	RT_LOCK_ASSERT_HELD(ro->ro_rt);  in in_pcbladdr()
1703 	if (!(ro->ro_rt->rt_ifp->if_flags & IFF_LOOPBACK)) {  in in_pcbladdr()
1711 		if (inp_restricted_send(inp, ro->ro_rt->rt_ifp)) {  in in_pcbladdr()
1712 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1718 			RT_CONVERT_LOCK(ro->ro_rt);  in in_pcbladdr()
1719 			ia = ifatoia(ro->ro_rt->rt_ifa);  in in_pcbladdr()
1732 			if (IS_INTF_CLAT46(ro->ro_rt->rt_ifp)) {  in in_pcbladdr()
1736 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1741 	VERIFY(ro->ro_rt->rt_ifp->if_flags & IFF_LOOPBACK);  in in_pcbladdr()
1742 	RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1759 		RT_LOCK(ro->ro_rt);  in in_pcbladdr()
1760 		ia = ifatoia(ro->ro_rt->rt_ifa);  in in_pcbladdr()
1764 		RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1826 				if (ro->ro_rt != NULL) {  in in_pcbladdr()
1827 					ifp = ro->ro_rt->rt_ifp;  in in_pcbladdr()
2303 	if ((rt = inp->inp_route.ro_rt) != NULL) {  in in_losing()
2349 	if ((rt = inp->inp_route.ro_rt) != NULL) {  in in_rtchange()
3186 	if (ROUTE_UNUSABLE(src) || rt_key(src->ro_rt)->sa_family != AF_INET) {  in inp_route_copyout()
3201 	if (src->ro_rt != NULL && rt_key(src->ro_rt)->sa_family != AF_INET) {  in inp_route_copyin()
3759 	rtifp = ((inp->inp_route.ro_rt != NULL) ?  in inp_flush()
3760 	    inp->inp_route.ro_rt->rt_ifp : NULL);  in inp_flush()