From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Sun, 14 May 2023 21:24:07 +0000 (-0700)
Subject: [3.11] gh-98539: Make _SSLTransportProtocol.abort() safe to call when closed (GH... 
X-Git-Tag: v3.11.4~75
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1afc0a9591460d85626f26a32ff0c56bcc06b8d8;p=thirdparty%2FPython%2Fcpython.git

[3.11] gh-98539: Make _SSLTransportProtocol.abort() safe to call when closed (GH-104474) (#104485)

(cherry picked from commit fb8739f0b6291fb048a94d6312f59ba4d10a20ca)

Co-authored-by: Sam Bull <git@sambull.org>
---

diff --git a/Lib/asyncio/sslproto.py b/Lib/asyncio/sslproto.py
index bbf9cad6bc7f..488e17d8bccd 100644
--- a/Lib/asyncio/sslproto.py
+++ b/Lib/asyncio/sslproto.py
@@ -244,7 +244,8 @@ class _SSLProtocolTransport(transports._FlowControlMixin,
         called with None as its argument.
         """
         self._closed = True
-        self._ssl_protocol._abort()
+        if self._ssl_protocol is not None:
+            self._ssl_protocol._abort()
 
     def _force_close(self, exc):
         self._closed = True