From 03db4805fde8cd455ff1dbb284118d96152efeca Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Thu, 14 Apr 2016 22:13:25 +0200
Subject: [PATCH] fix locking when switching strict i/o.

try_configure_processors_unlocked() needs process lock
---
 libs/ardour/route.cc | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 1db571385f..a3eacb3588 100644
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -2568,6 +2568,8 @@ Route::customize_plugin_insert (boost::shared_ptr<Processor> proc, uint32_t coun
 bool
 Route::set_strict_io (const bool enable)
 {
+	Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
+
 	if (_strict_io != enable) {
 		_strict_io = enable;
 		Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
@@ -2593,10 +2595,9 @@ Route::set_strict_io (const bool enable)
 		}
 		lm.release ();
 
-		{
-			Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
-			configure_processors (0);
-		}
+		configure_processors (0);
+		lx.release ();
+
 		processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
 		_session.set_dirty ();
 	}