From ca5ab1b97b9f4f04911bc3640684029c66502eb6 Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Thu, 18 Aug 2022 17:15:21 +0100
Subject: [PATCH] Don't de-mutex the already de-mutexed mutex

---
 keyserver/internal/device_list_update.go | 1 -
 1 file changed, 1 deletion(-)

diff --git a/keyserver/internal/device_list_update.go b/keyserver/internal/device_list_update.go
index c3c7a382a..304b67b23 100644
--- a/keyserver/internal/device_list_update.go
+++ b/keyserver/internal/device_list_update.go
@@ -363,7 +363,6 @@ func (u *DeviceListUpdater) worker(ch chan gomatrixserverlib.ServerName) {
 			// Don't retry a server that we're already waiting for.
 			continue
 		}
-		retriesMu.Unlock()
 		waitTime, shouldRetry := u.processServer(serverName)
 		if shouldRetry {
 			retriesMu.Lock()