local s = require "luci.tools.status"
local rv = { }
- local dev
- for dev in devs:gmatch("[%w%.%-]+") do
- rv[#rv+1] = s.wifi_network(dev)
+ if type(devs) == "string" then
+ local dev
+ for dev in devs:gmatch("[%w%.%-]+") do
+ rv[#rv+1] = s.wifi_network(dev)
+ end
end
if #rv > 0 then