From f4c574cccdeccc7ee399e3fd1cb972bc565dbe0a Mon Sep 17 00:00:00 2001
From: mvoelkel <mvoelkel@digitaldevices.de>
Date: Wed, 9 Nov 2016 12:10:59 +0100
Subject: [PATCH] don't crash on empty msmdoe file

---
 octoserve/var/www/systemsettings.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/octoserve/var/www/systemsettings.lua b/octoserve/var/www/systemsettings.lua
index 7f1b851..8ce66c0 100644
--- a/octoserve/var/www/systemsettings.lua
+++ b/octoserve/var/www/systemsettings.lua
@@ -85,8 +85,11 @@ function GetMSMode()
    local msmode = "quad"
    local tmp = io.open("/config/msmode")
    if tmp then
-      msmode = tmp:read("*l")
+      local t = tmp:read("*l")
       tmp:close()
+      if t then
+         msmode = t
+      end
    elseif ReadSetting('noswitch') == "true" then
       msmode = "none"
    end