insufficient attempt to drop references to a shadow MIDI port

diff --git a/libs/ardour/midi_port.cc b/libs/ardour/midi_port.cc
index 02a86bfb8f87b6822465aa32f2eda784bd9fc8bf..c490fb95709286bbe064e3d71e15ed18adfdf751 100644 (file)
--- a/libs/ardour/midi_port.cc
+++ b/libs/ardour/midi_port.cc
@@ -48,6 +48,10 @@ MidiPort::MidiPort (const std::string& name, PortFlags flags)
 
 MidiPort::~MidiPort()
 {
+       if (_shadow_port) {
+               _shadow_port->disconnect_all ();
+       }
+
        delete _buffer;
 }