From 187557df57a29c7556ca2637f854971c768993db Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 23 Aug 2023 12:16:36 -0600
Subject: [PATCH] midi surfaces: use an event loop invalidator for call_slot()

---
 libs/ctrl-interface/midi_surface/midi_surface.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/ctrl-interface/midi_surface/midi_surface.cc b/libs/ctrl-interface/midi_surface/midi_surface.cc
index e251225233..1309f4cc55 100644
--- a/libs/ctrl-interface/midi_surface/midi_surface.cc
+++ b/libs/ctrl-interface/midi_surface/midi_surface.cc
@@ -408,7 +408,7 @@ MIDISurface::do_request (MidiSurfaceRequest * req)
 {
 	if (req->type == CallSlot) {
 
-		call_slot (MISSING_INVALIDATOR, req->the_slot);
+		call_slot (PBD::EventLoop::__invalidator (*this, __FILE__, __LINE__), req->the_slot);
 
 	} else if (req->type == Quit) {