luci-0.10: prevent faults when no rdate info exists (#284)

diff --git a/applications/luci-ffwizard/luasrc/model/cbi/freifunk/ffwizard.lua b/applications/luci-ffwizard/luasrc/model/cbi/freifunk/ffwizard.lua
index 8a6e078..621dd35 100644 (file)
--- a/applications/luci-ffwizard/luasrc/model/cbi/freifunk/ffwizard.lua
+++ b/applications/luci-ffwizard/luasrc/model/cbi/freifunk/ffwizard.lua
@@ -1048,13 +1048,15 @@ function main.write(self, section, value)
 
        -- Create time rdate_servers
        local rdate = uci:get_all("freifunk", "time")
-       uci:delete_all("system", "time")
-       uci:section("system", "time", "rdate_servers", rdate)
-       rdate.server = rdate.rdate_servers
-       rdate.rdate_servers = ""
-       uci:delete_all("system", "rdate", nil)
-       uci:section("system", "rdate", nil, rdate)
-       uci:save("system")
+       if rdate then
+               uci:delete_all("system", "time")
+               uci:section("system", "time", "rdate_servers", rdate)
+               rdate.server = rdate.rdate_servers
+               rdate.rdate_servers = ""
+               uci:delete_all("system", "rdate", nil)
+               uci:section("system", "rdate", nil, rdate)
+               uci:save("system")
+       end
 
        -- Delete old watchdog settings
        uci:delete_all("olsrd", "LoadPlugin", {library="olsrd_watchdog.so.0.1"})