rocker: Fail attempts to use routes with nexthop objects

Fail attempts to use nexthop objects with routes until support can be
properly added.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/rocker/rocker_main.c

@@ -2214,6 +2214,10 @@ static int rocker_router_fib_event(struct notifier_block *nb,
 				NL_SET_ERR_MSG_MOD(info->extack, "IPv6 gateway with IPv4 route is not supported");
 				return notifier_from_errno(-EINVAL);
 			}
+			if (fen_info->fi->nh) {
+				NL_SET_ERR_MSG_MOD(info->extack, "IPv4 route with nexthop objects is not supported");
+				return notifier_from_errno(-EINVAL);
+			}
 		}
 
 		memcpy(&fib_work->fen_info, ptr, sizeof(fib_work->fen_info));