admin-full/network/hosts: Fix problem when arptable is empty, #482

diff --git a/modules/admin-full/luasrc/model/cbi/admin_network/hosts.lua b/modules/admin-full/luasrc/model/cbi/admin_network/hosts.lua
index c791a57d0f6d5bb071a02d6ffb5e55727a55c2d0..b4fee8cf07bf3fa0d4537de54e34d074d4cf1eaf 100644 (file)
--- a/modules/admin-full/luasrc/model/cbi/admin_network/hosts.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_network/hosts.lua
@@ -30,7 +30,8 @@ ip = s:option(Value, "ip", translate("IP address"))
 ip.datatype = "ipaddr"
 ip.rmempty  = true
 
-for i, dataset in ipairs(luci.sys.net.arptable()) do
+local arptable = luci.sys.net.arptable() or {}
+for i, dataset in ipairs(arptable) do
        ip:value(
                dataset["IP address"],
                "%s (%s)" %{ dataset["IP address"], dataset["HW address"] }