429 	_CASSERT(offsetof(struct route, ro_rt) ==  in route_init()
430 	    offsetof(struct route_in6, ro_rt));  in route_init()
894 	if ((rt = ro->ro_rt) != NULL) {  in rtalloc_ign_common_locked()
903 	ro->ro_rt = rtalloc1_common_locked(SA(&ro->ro_dst), 1, ignore, ifscope);  in rtalloc_ign_common_locked()
904 	if (ro->ro_rt != NULL) {  in rtalloc_ign_common_locked()
905 		RT_GENID_SYNC(ro->ro_rt);  in rtalloc_ign_common_locked()
906 		RT_LOCK_ASSERT_NOTHELD(ro->ro_rt);  in rtalloc_ign_common_locked()
3979 	if (ro->ro_rt != NULL) {  in route_clear()
3980 		rtfree(ro->ro_rt);  in route_clear()
3981 		ro->ro_rt = NULL;  in route_clear()
3999 	if (dst->ro_rt != NULL) {  in route_copyout()
4000 		RT_ADDREF(dst->ro_rt);  in route_copyout()
4017 	if (dst->ro_rt == NULL) {  in route_copyin()
4039 	if (dst->ro_rt == src->ro_rt) {  in route_copyin()
4050 		rtfree(src->ro_rt);  in route_copyin()
4059 	if (src->ro_rt != NULL) {  in route_copyin()
4060 		rtfree(dst->ro_rt);  in route_copyin()
4082 	src->ro_rt = NULL;  in route_copyin()