From 92f8878cbf5d8ad9e9b909a9dcbb2112de54a542 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Tue, 10 Sep 2013 13:03:58 +0200
Subject: [PATCH] Fixes a bug related to multiple IPs and direct protocol.

Multiple IPs in the same IP prefix confuse the direct
protocol and could cause withdrawal of a valid prefix.

Thanks to Dan Rimal for a bugreport.
---
 nest/rt-dev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nest/rt-dev.c b/nest/rt-dev.c
index 54cb14ba..4fb5bddb 100644
--- a/nest/rt-dev.c
+++ b/nest/rt-dev.c
@@ -34,6 +34,9 @@ dev_ifa_notify(struct proto *p, unsigned c, struct ifa *ad)
     /* Empty list is automagically treated as "*" */
     return;
 
+  if (ad->flags & IA_SECONDARY)
+    return;
+
   if (ad->scope <= SCOPE_LINK)
     return;