6to4: fix interface error handling

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31034 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/6to4/files/6to4.sh b/package/6to4/files/6to4.sh
index 0b7bf31..6825385 100755 (executable)
--- a/package/6to4/files/6to4.sh
+++ b/package/6to4/files/6to4.sh
@@ -126,14 +126,14 @@ proto_6to4_setup() {
 
        local wanif=$(find_6to4_wanif)
        [ -z "$wanif" ] && {
-               tun_error "NO_WAN_LINK"
+               tun_error "$cfg" "NO_WAN_LINK"
                return
        }
 
        . /lib/network/config.sh
        local wancfg="$(find_config "$wanif")"
        [ -z "$wancfg" ] && {
-               tun_error "NO_WAN_LINK"
+               tun_error "$cfg" "NO_WAN_LINK"
                return
        }
 
@@ -144,12 +144,12 @@ proto_6to4_setup() {
        }
 
        [ -z "$local4" ] && {
-               tun_error "NO_WAN_LINK"
+               tun_error "$cfg" "NO_WAN_LINK"
                return
        }
 
        test_6to4_rfc1918 "$local4" && {
-               tun_error "INVALID_LOCAL_ADDRESS"
+               tun_error "$cfg" "INVALID_LOCAL_ADDRESS"
                return
        }