From 7c7bf6c88b5f86e71ea64be04b0cb0b9bcc6d096 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Thu, 8 Jun 2023 22:48:44 +0200
Subject: [PATCH] Fix TransportMasterManager crash at exit

TransportMasterManager::destroy () destroys any remaining
TransportMasters which in turn unregister their ports.
However the PortEngine was already destroyed.
---
 libs/ardour/globals.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/ardour/globals.cc b/libs/ardour/globals.cc
index 52399d9bf0..4a0d0979a9 100644
--- a/libs/ardour/globals.cc
+++ b/libs/ardour/globals.cc
@@ -754,6 +754,7 @@ ARDOUR::cleanup ()
 	engine_startup_connection.disconnect ();
 
 	delete &ControlProtocolManager::instance ();
+	ARDOUR::TransportMasterManager::instance ().clear ();
 	ARDOUR::AudioEngine::destroy ();
 	ARDOUR::TransportMasterManager::destroy ();