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: [PATCH] 6in4, 6to4: prevent starting the tunnel if kmod-sit is not
 yet loaded (#9643)

SVN-Revision: 27449
---
 package/6in4/Makefile           | 4 ++--
 package/6in4/files/6in4.hotplug | 5 +++++
 package/6to4/Makefile           | 2 +-
 package/6to4/files/6to4.hotplug | 5 +++++
 4 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/package/6in4/Makefile b/package/6in4/Makefile
index 9a2cfe20d2..14b7eac816 100644
--- a/package/6in4/Makefile
+++ b/package/6in4/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2010 OpenWrt.org
+# Copyright (C) 2010-2011 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=6in4
 PKG_VERSION:=9
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 include $(INCLUDE_DIR)/package.mk
 
diff --git a/package/6in4/files/6in4.hotplug b/package/6in4/files/6in4.hotplug
index 49667a815e..9df993498a 100644
--- a/package/6in4/files/6in4.hotplug
+++ b/package/6in4/files/6in4.hotplug
@@ -20,6 +20,11 @@ if [ "$ACTION" = ifup ]; then
 		local wanip=$(find_6in4_wanip "$wandev")
 
 		[ -n "$wanip" ] && {
+			lsmod | grep -q ^sit || {
+				logger -t 6in4-update "Tunneling driver not loaded yet, deferring action"
+				exit 0
+			}
+
 			local tunnelid
 			config_get tunnelid "$cfg" tunnelid
 
diff --git a/package/6to4/Makefile b/package/6to4/Makefile
index 77082a4a04..f4831a4905 100644
--- a/package/6to4/Makefile
+++ b/package/6to4/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=6to4
 PKG_VERSION:=5
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 include $(INCLUDE_DIR)/package.mk
 
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" )&
 		}
-- 
2.25.1