From 026582bcf7a231d72b2be3abcbeb099ab368c952 Mon Sep 17 00:00:00 2001
From: Luke Barnard <lukeb@openmarket.com>
Date: Tue, 25 Jul 2017 09:22:08 +0100
Subject: [PATCH] Add unmounted guard

---
 src/components/views/elements/Pill.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/components/views/elements/Pill.js b/src/components/views/elements/Pill.js
index b7731182f9..660c5604e5 100644
--- a/src/components/views/elements/Pill.js
+++ b/src/components/views/elements/Pill.js
@@ -64,6 +64,7 @@ const Pill = React.createClass({
     },
 
     componentWillMount() {
+        this._unmounted = false;
         let regex = REGEX_MATRIXTO;
         if (this.props.inMessage) {
             regex = REGEX_LOCAL_MATRIXTO;
@@ -111,8 +112,15 @@ const Pill = React.createClass({
         this.setState({resourceId, pillType, member, room});
     },
 
+    componentWillUnmount() {
+        this._unmounted = true;
+    },
+
     doProfileLookup: function(userId, member) {
         MatrixClientPeg.get().getProfileInfo(userId).then((resp) => {
+            if (this._unmounted) {
+                return;
+            }
             member.name = resp.displayname;
             member.rawDisplayName = resp.displayname;
             member.events.member = {