[network-manager-openvpn] helper: don't try to send the configuration if there's no IP settings

[Lubomir Rintel <lkundrak src gnome org>]

commit 64359a487a751ba9b38667d2940b36ed03ab7234
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Fri Nov 13 14:41:53 2015 +0100

    helper: don't try to send the configuration if there's no IP settings
    
    The libnm would complain.

 src/nm-openvpn-service-openvpn-helper.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/nm-openvpn-service-openvpn-helper.c b/src/nm-openvpn-service-openvpn-helper.c
index 1a162cd..50027f9 100644
--- a/src/nm-openvpn-service-openvpn-helper.c
+++ b/src/nm-openvpn-service-openvpn-helper.c
@@ -729,6 +729,9 @@ main (int argc, char *argv[])
                ip6config = NULL;
        }
 
+       if (!ip4config && !ip6config)
+               helper_failed (proxy, "IPv4 or IPv6 configuration");
+
        /* Send the config info to nm-openvpn-service */
        send_config (proxy, g_variant_builder_end (&builder), ip4config, ip6config);