From 78ef4e274edba6759a4a6cda13b5a3b51d1ca749 Mon Sep 17 00:00:00 2001
From: Kegan Dougal <kegan@matrix.org>
Date: Mon, 8 Mar 2021 16:59:08 +0000
Subject: [PATCH] device lists: backoff for longer if the wrong error type is
 returned

---
 keyserver/internal/device_list_update.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/keyserver/internal/device_list_update.go b/keyserver/internal/device_list_update.go
index c4950a119..7f6a14f49 100644
--- a/keyserver/internal/device_list_update.go
+++ b/keyserver/internal/device_list_update.go
@@ -347,6 +347,9 @@ func (u *DeviceListUpdater) processServer(serverName gomatrixserverlib.ServerNam
 				} else if fcerr.Blacklisted {
 					waitTime = time.Hour * 8
 				}
+			} else {
+				waitTime = time.Hour
+				logger.WithError(err).Warn("GetUserDevices returned unknown error type")
 			}
 			hasFailures = true
 			continue