From 1a588760b9882d80d280518160a216a5f9bc7f25 Mon Sep 17 00:00:00 2001
From: Michael <35783820+mib1185@users.noreply.github.com>
Date: Sat, 1 Jun 2024 23:51:17 +0200
Subject: [PATCH] Avoid future exception during setup of Synology DSM (#118583)

* avoid future exception during integration setup

* clear future flag during setup

* always clear the flag (with comment)
---
 homeassistant/components/synology_dsm/common.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/homeassistant/components/synology_dsm/common.py b/homeassistant/components/synology_dsm/common.py
index 98a57319f93..e2023aa91a1 100644
--- a/homeassistant/components/synology_dsm/common.py
+++ b/homeassistant/components/synology_dsm/common.py
@@ -104,6 +104,11 @@ class SynoApi:
         except BaseException as err:
             if not self._login_future.done():
                 self._login_future.set_exception(err)
+            with suppress(BaseException):
+                # Clear the flag as its normal that nothing
+                # will wait for this future to be resolved
+                # if there are no concurrent login attempts
+                await self._login_future
             raise
         finally:
             self._login_future = None