luci-app-adblock: bugfix

* fix nil error on overview page

Signed-off-by: Dirk Brenken <dev@brenken.org>

diff --git a/applications/luci-app-adblock/luasrc/model/cbi/adblock/overview_tab.lua b/applications/luci-app-adblock/luasrc/model/cbi/adblock/overview_tab.lua
index 6d01e132780da043200165d54ffc25a1e20c77fa..68f9c8897eaf78e9d3df1c75e6b006dccd64a939 100644 (file)
--- a/applications/luci-app-adblock/luasrc/model/cbi/adblock/overview_tab.lua
+++ b/applications/luci-app-adblock/luasrc/model/cbi/adblock/overview_tab.lua
@@ -7,7 +7,7 @@ local sys = require("luci.sys")
 local json = require("luci.jsonc")
 local adbinput = uci.get("adblock", "global", "adb_rtfile") or "/tmp/adb_runtime.json"
 local dnspath = uci.get("adblock", "global", "adb_dnsdir") or ""
-local parse = json.parse(fs.readfile(adbinput))
+local parse = json.parse(fs.readfile(adbinput) or "")
 if parse ~= nil then
        version = parse.data.adblock_version
        domains = parse.data.blocked_domains