From d960d23830cb8bffe49a1eafed21bf66c25e4235 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Fri, 2 Mar 2018 11:03:18 +0000
Subject: [PATCH] Add missing yield during 3pid signature checks

---
 synapse/handlers/room_member.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 7ecdf87246..ed3b97730d 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -573,7 +573,7 @@ class RoomMemberHandler(object):
             if "mxid" in data:
                 if "signatures" not in data:
                     raise AuthError(401, "No signatures on 3pid binding")
-                self.verify_any_signature(data, id_server)
+                yield self.verify_any_signature(data, id_server)
                 defer.returnValue(data["mxid"])
 
         except IOError as e: