luci-mod-admin-full: prevent crash if channel of sta is unknown (#624)

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

diff --git a/modules/luci-mod-admin-full/luasrc/model/cbi/admin_network/wifi.lua b/modules/luci-mod-admin-full/luasrc/model/cbi/admin_network/wifi.lua
index 20edd68..824c920 100644 (file)
--- a/modules/luci-mod-admin-full/luasrc/model/cbi/admin_network/wifi.lua
+++ b/modules/luci-mod-admin-full/luasrc/model/cbi/admin_network/wifi.lua
@@ -156,8 +156,8 @@ end
 
 if found_sta then
        ch = s:taboption("general", DummyValue, "choice", translate("Channel"))
 
 if found_sta then
        ch = s:taboption("general", DummyValue, "choice", translate("Channel"))

-       ch.value = translatef("Locked to channel %d used by: %s",
-               found_sta.channel, table.concat(found_sta.names, ", "))
+       ch.value = translatef("Locked to channel %s used by: %s",
+               found_sta.channel or "(auto)", table.concat(found_sta.names, ", "))

 else
        ch = s:taboption("general", Value, "_mode_freq", '<br />'..translate("Operating frequency"))
        ch.hwmodes = hw_modes
 else
        ch = s:taboption("general", Value, "_mode_freq", '<br />'..translate("Operating frequency"))
        ch.hwmodes = hw_modes