libs/sys: make sure to always return a table from arptable() when no callback is...

diff --git a/libs/sys/luasrc/sys.lua b/libs/sys/luasrc/sys.lua
index 66285249fc33e1d2181285c33caa0583e28f88c2..df6280dda091c02a00e2dddd984301fcce19695a 100644 (file)
--- a/libs/sys/luasrc/sys.lua
+++ b/libs/sys/luasrc/sys.lua
@@ -233,7 +233,8 @@ net = {}
 --                     The following fields are defined for arp entry objects:
 --                     { "IP address", "HW address", "HW type", "Flags", "Mask", "Device" }
 function net.arptable(callback)
-       local arp, e, r, v
+       local arp = (not callback) and {} or nil
+       local e, r, v
        if fs.access("/proc/net/arp") then
                for e in io.lines("/proc/net/arp") do
                        local r = { }, v