From c72aca41e5fa55b0efa768e93b55f5c307f84025 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Sun, 24 Nov 2013 22:12:51 +0100
Subject: [PATCH] OSPF ifaces on loopback should be stub.

---
 proto/ospf/iface.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c
index f1409840..333c2a6d 100644
--- a/proto/ospf/iface.c
+++ b/proto/ospf/iface.c
@@ -472,10 +472,14 @@ ospf_iface_stubby(struct ospf_iface_patt *ip, struct ifa *addr)
   if (! addr)
     return 0;
 
-  /* a host/loopback address */
+  /* a host address */
   if (addr->flags & IA_HOST)
     return 1;
 
+  /* a loopback iface */
+  if (addr->iface->flags & IF_LOOPBACK)
+    return 1;
+
   /*
    * We cannot properly support multiple OSPF ifaces on real iface
    * with multiple prefixes, therefore we force OSPF ifaces with