From 34e484c377b2b9aec30cfcb9d782d66cd91ee4af Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kyle.spearrin@gmail.com>
Date: Mon, 14 Nov 2016 22:45:01 -0500
Subject: [PATCH] null check recovery code

---
 src/Web/wwwroot/app/settings/settingsTwoFactorController.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Web/wwwroot/app/settings/settingsTwoFactorController.js b/src/Web/wwwroot/app/settings/settingsTwoFactorController.js
index 3c4d2345cb..44d34564f0 100644
--- a/src/Web/wwwroot/app/settings/settingsTwoFactorController.js
+++ b/src/Web/wwwroot/app/settings/settingsTwoFactorController.js
@@ -33,6 +33,10 @@
         };
 
         function formatString(s) {
+            if (!s) {
+                return null;
+            }
+
             return s.replace(/(.{4})/g, '$1 ').trim().toUpperCase();
         }