From 6ce7bd46e70c1b1f4ccc9c61f75694726d9334be Mon Sep 17 00:00:00 2001
From: reyk <reyk@openbsd.org>
Date: Mon, 10 Apr 2017 09:27:08 +0000
Subject: [PATCH] Check early if the mandatory carp "interface" was configured.

This allows the new -n config check to work correctly.

OK jsg@ deraadt@
---
 usr.sbin/sasyncd/sasyncd.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/sasyncd/sasyncd.c b/usr.sbin/sasyncd/sasyncd.c
index 8e3be4f1ba9..8214457e77c 100644
--- a/usr.sbin/sasyncd/sasyncd.c
+++ b/usr.sbin/sasyncd/sasyncd.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sasyncd.c,v 1.26 2017/04/04 22:37:01 jsg Exp $	*/
+/*	$OpenBSD: sasyncd.c,v 1.27 2017/04/10 09:27:08 reyk Exp $	*/
 
 /*
  * Copyright (c) 2005 Håkan Olsson.  All rights reserved.
@@ -197,6 +197,11 @@ main(int argc, char **argv)
 			    "no shared key specified, cannot continue\n");
 			exit(1);
 		}
+		if (!cfgstate.carp_ifname || !*cfgstate.carp_ifname) {
+			fprintf(stderr, "config: "
+			    "no carp interface specified, cannot continue\n");
+			exit(1);
+		}
 	} else {
 		exit(1);
 	}
-- 
2.20.1