487 	_CASSERT(offsetof(struct route, ro_rt) ==  in route_init()
488 	    offsetof(struct route_in6, ro_rt));  in route_init()
952 	if ((rt = ro->ro_rt) != NULL) {  in rtalloc_ign_common_locked()
961 	ro->ro_rt = rtalloc1_common_locked(SA(&ro->ro_dst), 1, ignore, ifscope);  in rtalloc_ign_common_locked()
962 	if (ro->ro_rt != NULL) {  in rtalloc_ign_common_locked()
963 		RT_GENID_SYNC(ro->ro_rt);  in rtalloc_ign_common_locked()
964 		RT_LOCK_ASSERT_NOTHELD(ro->ro_rt);  in rtalloc_ign_common_locked()
4092 	if (ro->ro_rt != NULL) {  in route_clear()
4093 		rtfree(ro->ro_rt);  in route_clear()
4094 		ro->ro_rt = NULL;  in route_clear()
4112 	if (dst->ro_rt != NULL) {  in route_copyout()
4113 		RT_ADDREF(dst->ro_rt);  in route_copyout()
4130 	if (dst->ro_rt == NULL) {  in route_copyin()
4152 	if (dst->ro_rt == src->ro_rt) {  in route_copyin()
4163 		rtfree(src->ro_rt);  in route_copyin()
4172 	if (src->ro_rt != NULL) {  in route_copyin()
4173 		rtfree(dst->ro_rt);  in route_copyin()
4195 	src->ro_rt = NULL;  in route_copyin()