diff options
| -rw-r--r-- | libs/sys/luasrc/sys.lua | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/libs/sys/luasrc/sys.lua b/libs/sys/luasrc/sys.lua index 817217b90..1cf8b9f18 100644 --- a/libs/sys/luasrc/sys.lua +++ b/libs/sys/luasrc/sys.lua @@ -722,10 +722,14 @@ end -- @param iface Wireless interface (optional) -- @return Table of available channels function wifi.channels(iface) - local t = iwinfo.type(iface or "") + local stat, iwinfo = pcall(require, "iwinfo") local cns - if iface and t and iwinfo[t] then - cns = iwinfo[t].freqlist(iface) + + if stat then + local t = iwinfo.type(iface or "") + if iface and t and iwinfo[t] then + cns = iwinfo[t].freqlist(iface) + end end if not cns or #cns == 0 then |