From bb2dd45b990026a7c3d60e41ce9d91dd8ef1a312 Mon Sep 17 00:00:00 2001
From: dlg <dlg@openbsd.org>
Date: Thu, 22 Feb 2018 07:33:24 +0000
Subject: [PATCH] don't get in the way of setting the rdomain on gre(4)

---
 sys/net/if_gre.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/net/if_gre.c b/sys/net/if_gre.c
index 76aa35e8127..2e33fc012c1 100644
--- a/sys/net/if_gre.c
+++ b/sys/net/if_gre.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_gre.c,v 1.110 2018/02/21 22:20:19 dlg Exp $ */
+/*	$OpenBSD: if_gre.c,v 1.111 2018/02/22 07:33:24 dlg Exp $ */
 /*	$NetBSD: if_gre.c,v 1.9 1999/10/25 19:18:11 drochner Exp $ */
 
 /*
@@ -1676,6 +1676,8 @@ gre_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 		}
 		break;
 	case SIOCSIFRDOMAIN:
+		/* let if_rdomain do its thing */
+		error = ENOTTY;
 		break;
 
 	case SIOCSETKALIVE:
-- 
2.20.1