diff options
| author | Jo-Philipp Wich <jow@openwrt.org> | 2011-01-19 21:37:01 +0000 |
|---|---|---|
| committer | Jo-Philipp Wich <jow@openwrt.org> | 2011-01-19 21:37:01 +0000 |
| commit | 32e908a51c27b58a23d955a964c68fd1fa07d3ad (patch) | |
| tree | 2596e1bd658acac186cc9b71f5f813ebbc973cea /libs/sys/luasrc/sys.lua | |
| parent | 5841fce7c69677a582c4325ed0731d3a21382e2c (diff) | |
libs/sys: fix luci.sys.wifi.channels()
Diffstat (limited to 'libs/sys/luasrc/sys.lua')
| -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 817217b900..1cf8b9f186 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 |