From 9680c345c420879c4abcec2d1c38650ba9d6cede Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 9 Aug 2013 18:35:07 -0400
Subject: [PATCH] don't write a bogus jack cmdline ... leave the existing
 ~/.jackdrc file alone if an error creating the cmdline occurs

---
 libs/ardour/jack_audiobackend.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/ardour/jack_audiobackend.cc b/libs/ardour/jack_audiobackend.cc
index 4355a57162..a95242ba4b 100644
--- a/libs/ardour/jack_audiobackend.cc
+++ b/libs/ardour/jack_audiobackend.cc
@@ -443,6 +443,7 @@ JACKAudioBackend::setup_jack_startup_command ()
 
 	if (!get_jack_command_line_string (options, cmdline)) {
 		/* error, somehow */
+		return;
 	}
 
 	std::cerr << "JACK command line will be: " << cmdline << std::endl;