From 6f89156415a9849da826ffb185f87bd328b25e6c Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Fri, 11 Jan 2019 16:58:39 +0100
Subject: [PATCH] guard against calling an undefined function

---
 www/common/common-feedback.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/www/common/common-feedback.js b/www/common/common-feedback.js
index f0b7d989b..d377bae5c 100644
--- a/www/common/common-feedback.js
+++ b/www/common/common-feedback.js
@@ -22,6 +22,7 @@ define([
         http.send();
     };
     Feedback.send = function (action, force, cb) {
+        if (typeof(cb) !== 'function') { cb = function () {}; }
         if (AppConfig.disableFeedback) { return void cb(); }
         if (!action) { return void cb(); }
         if (force !== true) {