From 67372d4fed3caa946e8fa6abea93d166af86d359 Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <richard@matrix.org>
Date: Tue, 11 Jul 2017 17:03:25 +0100
Subject: [PATCH] Give Login an unmounted guard

---
 src/components/structures/login/Login.js | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/components/structures/login/Login.js b/src/components/structures/login/Login.js
index 27c0c200be..a081d2a205 100644
--- a/src/components/structures/login/Login.js
+++ b/src/components/structures/login/Login.js
@@ -72,9 +72,14 @@ module.exports = React.createClass({
     },
 
     componentWillMount: function() {
+        this._unmounted = false;
         this._initLoginLogic();
     },
 
+    componentWillUnmount: function() {
+        this._unmounted = true;
+    },
+
     onPasswordLogin: function(username, phoneCountry, phoneNumber, password) {
         this.setState({
             busy: true,
@@ -87,6 +92,9 @@ module.exports = React.createClass({
         ).then((data) => {
             this.props.onLoggedIn(data);
         }, (error) => {
+            if(this._unmounted) {
+                return;
+            }
             let errorText;
 
             // Some error strings only apply for logging in
@@ -109,8 +117,11 @@ module.exports = React.createClass({
                 loginIncorrect: error.httpStatus === 401 || error.httpStatus == 403,
             });
         }).finally(() => {
+            if(this._unmounted) {
+                return;
+            }
             this.setState({
-                busy: false
+                busy: false,
             });
         }).done();
     },