[packages] olsrd: don't try to start smartgw if not all deps are installed

[packages] olsrd: don't try to start smartgw if not all deps are installed
if kmod-ipip is missing, there is no need to invoke an expensive operation.
Signed-off-by: NBastian Bittorf <bittorf@bluebottle.com>

git-svn-id: svn://svn.openwrt.org/openwrt/packages/net/olsrd@35679 3c298f89-4303-0410-b956-a3cf2f4a3e73

files/olsrd.init

@@ -563,6 +563,7 @@ olsrd_setup_smartgw_rules() {
 	# Check if ipip is installed
 	[ -e /etc/modules.d/[0-9]*-ipip ] || {
 		log "$funcname() Warning: kmod-ipip is missing. SmartGateway will not work until you install it."
+		return 1
 	}
 
 	wanifnames=$(ip r l e 0/0 t all | sed -e 's/^.* dev //' |cut -d " " -f 1 | sort | uniq)