diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 61aa63cc170b..a4c61205462a 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -3562,6 +3562,7 @@ int tc_setup_flow_action(struct flow_action *flow_action,
 				entry->mpls_mangle.ttl = tcf_mpls_ttl(act);
 				break;
 			default:
+				err = -EOPNOTSUPP;
 				goto err_out_locked;
 			}
 		} else if (is_tcf_skbedit_ptype(act)) {