1604 	if (ro->ro_rt != NULL) {  in in_pcbladdr()
1605 		RT_LOCK_SPIN(ro->ro_rt);  in in_pcbladdr()
1610 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1611 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1616 	    (ro->ro_rt == NULL || ro->ro_rt->rt_ifp == NULL)) {  in in_pcbladdr()
1617 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1618 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1627 		if (ro->ro_rt != NULL) {  in in_pcbladdr()
1628 			RT_LOCK_SPIN(ro->ro_rt);  in in_pcbladdr()
1641 	if (ro->ro_rt == NULL) {  in in_pcbladdr()
1658 	RT_LOCK_ASSERT_HELD(ro->ro_rt);  in in_pcbladdr()
1663 	if (!(ro->ro_rt->rt_ifp->if_flags & IFF_LOOPBACK)) {  in in_pcbladdr()
1671 		if (inp_restricted_send(inp, ro->ro_rt->rt_ifp)) {  in in_pcbladdr()
1672 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1678 			RT_CONVERT_LOCK(ro->ro_rt);  in in_pcbladdr()
1679 			ia = ifatoia(ro->ro_rt->rt_ifa);  in in_pcbladdr()
1692 			if (IS_INTF_CLAT46(ro->ro_rt->rt_ifp)) {  in in_pcbladdr()
1696 			RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1701 	VERIFY(ro->ro_rt->rt_ifp->if_flags & IFF_LOOPBACK);  in in_pcbladdr()
1702 	RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1719 		RT_LOCK(ro->ro_rt);  in in_pcbladdr()
1720 		ia = ifatoia(ro->ro_rt->rt_ifa);  in in_pcbladdr()
1724 		RT_UNLOCK(ro->ro_rt);  in in_pcbladdr()
1786 				if (ro->ro_rt != NULL) {  in in_pcbladdr()
1787 					ifp = ro->ro_rt->rt_ifp;  in in_pcbladdr()
2261 	if ((rt = inp->inp_route.ro_rt) != NULL) {  in in_losing()
2307 	if ((rt = inp->inp_route.ro_rt) != NULL) {  in in_rtchange()
3165 	if (ROUTE_UNUSABLE(src) || rt_key(src->ro_rt)->sa_family != AF_INET) {  in inp_route_copyout()
3180 	if (src->ro_rt != NULL && rt_key(src->ro_rt)->sa_family != AF_INET) {  in inp_route_copyin()
3738 	rtifp = ((inp->inp_route.ro_rt != NULL) ?  in inp_flush()
3739 	    inp->inp_route.ro_rt->rt_ifp : NULL);  in inp_flush()