From dd525d1613c30e212a8c529cdf3500ce88ab4885 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 14 Dec 2016 02:25:13 +0100
Subject: [PATCH] release locks before deleting record

---
 libs/pbd/event_loop.cc | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/libs/pbd/event_loop.cc b/libs/pbd/event_loop.cc
index fbbf9c83aa..d3aaa3c672 100644
--- a/libs/pbd/event_loop.cc
+++ b/libs/pbd/event_loop.cc
@@ -86,17 +86,20 @@ EventLoop::invalidate_request (void* data)
 	 * inherit (indirectly) from sigc::trackable.
 	 */
 
-        if (ir->event_loop) {
-		Glib::Threads::Mutex::Lock lm (ir->event_loop->slot_invalidation_mutex());
-		Glib::Threads::Mutex::Lock lr (ir->event_loop->request_invalidation_mutex());
-		for (list<BaseRequestObject*>::iterator i = ir->requests.begin(); i != ir->requests.end(); ++i) {
-			(*i)->valid = false;
-			(*i)->invalidation = 0;
+	if (ir->event_loop) {
+		{
+			Glib::Threads::Mutex::Lock lm (ir->event_loop->slot_invalidation_mutex());
+			Glib::Threads::Mutex::Lock lr (ir->event_loop->request_invalidation_mutex());
+			for (list<BaseRequestObject*>::iterator i = ir->requests.begin(); i != ir->requests.end(); ++i) {
+				(*i)->valid = false;
+				(*i)->invalidation = 0;
+			}
 		}
+		// should this not always be deleted, regardless if there's an event_loop?
 		delete ir;
-        }
+	}
 
-        return 0;
+	return 0;
 }
 
 vector<EventLoop::ThreadBufferMapping>