diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c index 0f211f030fd9..dca812a75269 100644 --- a/net/sched/cls_route.c +++ b/net/sched/cls_route.c @@ -434,6 +434,12 @@ static int route4_set_parms(struct net *net, struct tcf_proto *tp, if (handle && (!fold || nhandle == (handle & ~0x7F00))) nhandle |= handle & 0x7F00; + if (fold && !tb[TCA_ROUTE4_TO] && !tb[TCA_ROUTE4_FROM] && + !tb[TCA_ROUTE4_IIF] && nhandle != fold->handle) { + NL_SET_ERR_MSG(extack, "Routing attributes required"); + return -EINVAL; + } + if (handle && !fold && nhandle != handle) { NL_SET_ERR_MSG_FMT(extack, "Handle mismatch constructed: %x (expected: %x)",