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libs/sys: fix checking for empty table

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This commit is contained in:
Jo-Philipp Wich 2009-05-13 18:50:12 +00:00
parent 4856c1ea23
commit f2e4a6665b
1 changed files with 1 additions and 1 deletions
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2
libs/sys/luasrc/sys.lua
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@ -701,7 +701,7 @@ function wifi.channels(iface)
fd:close()
end
if #cns == 0 then
if not ((pairs(cns))(cns)) then
cns = {
2.412, 2.417, 2.422, 2.427, 2.432, 2.437,
2.442, 2.447, 2.452, 2.457, 2.462