425 	_CASSERT(offsetof(struct route, ro_rt) ==  in route_init()
426 	    offsetof(struct route_in6, ro_rt));  in route_init()
889 	if ((rt = ro->ro_rt) != NULL) {  in rtalloc_ign_common_locked()
898 	ro->ro_rt = rtalloc1_common_locked(SA(&ro->ro_dst), 1, ignore, ifscope);  in rtalloc_ign_common_locked()
899 	if (ro->ro_rt != NULL) {  in rtalloc_ign_common_locked()
900 		RT_GENID_SYNC(ro->ro_rt);  in rtalloc_ign_common_locked()
901 		RT_LOCK_ASSERT_NOTHELD(ro->ro_rt);  in rtalloc_ign_common_locked()
3965 	if (ro->ro_rt != NULL) {  in route_clear()
3966 		rtfree(ro->ro_rt);  in route_clear()
3967 		ro->ro_rt = NULL;  in route_clear()
3985 	if (dst->ro_rt != NULL) {  in route_copyout()
3986 		RT_ADDREF(dst->ro_rt);  in route_copyout()
4003 	if (dst->ro_rt == NULL) {  in route_copyin()
4025 	if (dst->ro_rt == src->ro_rt) {  in route_copyin()
4036 		rtfree(src->ro_rt);  in route_copyin()
4045 	if (src->ro_rt != NULL) {  in route_copyin()
4046 		rtfree(dst->ro_rt);  in route_copyin()
4068 	src->ro_rt = NULL;  in route_copyin()