From 91da7544baa3c08d2d2285e81a87f205825e3053 Mon Sep 17 00:00:00 2001
From: Mario Preksavec <mario@slackware.hr>
Date: Tue, 14 Apr 2015 22:27:05 +0200
Subject: [PATCH] system/xen: Contrib script bugfix.

Signed-off-by: Mario Preksavec <mario@slackware.hr>
---
 system/xen/openvswitch/openvswitch-clean.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/system/xen/openvswitch/openvswitch-clean.sh b/system/xen/openvswitch/openvswitch-clean.sh
index 2d02d0ea44..f43aee16b8 100644
--- a/system/xen/openvswitch/openvswitch-clean.sh
+++ b/system/xen/openvswitch/openvswitch-clean.sh
@@ -25,12 +25,16 @@ if [ -f /etc/xen/openvswitch.conf ]; then
       ipv4=${ipv4[$name]}
     elif [ ! -z ${ipv4[::default]} ]; then
       ipv4=${ipv4[::default]}
+    else
+      ipv4=
     fi
 
     if [ ! -z ${ipv6[$name]} ]; then
       ipv6=${ipv6[$name]}
     elif [ ! -z ${ipv6[::default]} ]; then
       ipv6=${ipv6[::default]}
+    else
+      ipv6=
     fi
 
     # Domain can have more then one vif