From 8aba9a00dc86253f48d878445010cfa68b777b6a Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Tue, 5 Jul 2011 00:52:10 +0000
Subject: 6in4, 6to4: prevent starting the tunnel if kmod-sit is not yet loaded
 (#9643)

SVN-Revision: 27449
---
 package/6to4/files/6to4.hotplug | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'package/6to4/files')

diff --git a/package/6to4/files/6to4.hotplug b/package/6to4/files/6to4.hotplug
index 037abd48f5..1e3d26c418 100644
--- a/package/6to4/files/6to4.hotplug
+++ b/package/6to4/files/6to4.hotplug
@@ -20,6 +20,11 @@ if [ "$ACTION" = ifup ]; then
 		local wanip=$(find_6to4_wanip "$wandev")
 
 		[ -n "$wanip" ] && {
+			lsmod | grep -q ^sit || {
+				logger -t 6to4 "Tunneling driver not loaded yet, deferring action"
+				exit 0
+			}
+
 			uci_set_state network "$cfg" ipaddr "$wanip"
 			( ifup "$cfg" )&
 		}
-- 
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