From a43901ead9eeae05b1c62f13d5c699bbaf3df22d Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sun, 26 Apr 2015 01:36:09 +0200
Subject: [PATCH] Fix crash when switching backends.

cycle_end() can write to invalid buffers.
---
 libs/ardour/audioengine.cc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc
index c70a48725a..cdab68b2f5 100644
--- a/libs/ardour/audioengine.cc
+++ b/libs/ardour/audioengine.cc
@@ -352,7 +352,6 @@ AudioEngine::process_callback (pframes_t nframes)
 	}
 
 	if (!_running) {
-		PortManager::cycle_end (nframes);
 		_processed_frames = next_processed_frames;
 		return 0;
 	}