From ef08c819da00493111147af5d839f67a86b8a820 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sat, 16 Jul 2022 20:26:56 +0200
Subject: [PATCH] Fix crash on port unregistration

pr->erase (*i); deletes the iterator, it cannot be safely
dereferenced again later.
---
 libs/ardour/port_engine_shared.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/ardour/port_engine_shared.cc b/libs/ardour/port_engine_shared.cc
index 0aea69e340..183086dfce 100644
--- a/libs/ardour/port_engine_shared.cc
+++ b/libs/ardour/port_engine_shared.cc
@@ -457,7 +457,7 @@ PortEngineSharedImpl::unregister_port (PortEngine::PortHandle port_handle)
 
 		pm->erase (port->name());
 		ps->erase (i);
-		pr->erase (*i);
+		pr->erase (port);
 	}
 
 	_ports.flush ();