From 62bf5d8d0a36112619436a813ceefb7e4af52c24 Mon Sep 17 00:00:00 2001
From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Date: Sat, 22 Oct 2022 21:41:27 +0530
Subject: [PATCH] GH-98539: fix ref cycle in `_SSLProtocolTransport` after
 close  (#98540)

---
 Lib/asyncio/sslproto.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Lib/asyncio/sslproto.py b/Lib/asyncio/sslproto.py
index de00953cc1d0f7..5cb5cd35883f07 100644
--- a/Lib/asyncio/sslproto.py
+++ b/Lib/asyncio/sslproto.py
@@ -107,8 +107,11 @@ def close(self):
         protocol's connection_lost() method will (eventually) called
         with None as its argument.
         """
-        self._closed = True
-        self._ssl_protocol._start_shutdown()
+        if not self._closed:
+            self._closed = True
+            self._ssl_protocol._start_shutdown()
+        else:
+            self._ssl_protocol = None
 
     def __del__(self, _warnings=warnings):
         if not self._closed: