X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Flinux%2Fdevice.c;h=4e9591c21c1f8f2a8ae48e5e8eda8cfd16806f54;hb=41c10c5a966000531099c79d6006429253ff8fd6;hp=0069f54c08b27039405d5842e86f1c0300f0b955;hpb=a39a9506cd041a7092a98498b362eaacfd2f33c3;p=tinc

diff --git a/src/linux/device.c b/src/linux/device.c
index 0069f54c..4e9591c2 100644
--- a/src/linux/device.c
+++ b/src/linux/device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- Interaction with Linux ethertap and tun/tap device
     Copyright (C) 2001-2005 Ivo Timmermans,
-                  2001-2006 Guus Sliepen <guus@tinc-vpn.org>
+                  2001-2009 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -63,7 +63,8 @@ bool setup_device(void)
 
 	if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
 #ifdef HAVE_LINUX_IF_TUN_H
-		iface = xstrdup(netname);
+		if (netname != NULL)
+			iface = xstrdup(netname);
 #else
 		iface = xstrdup(rindex(device, '/') ? rindex(device, '/') + 1 : device);
 #endif