From d29d93f4cd30b2d27e73f95aa49110b1acb773ed Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Tue, 18 Oct 2016 16:45:39 -0400
Subject: [PATCH] fix retrieval of port properties (metadata) when the value
 has no type

---
 libs/backends/jack/jack_portengine.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libs/backends/jack/jack_portengine.cc b/libs/backends/jack/jack_portengine.cc
index 98d2744d7a..a73f4608aa 100644
--- a/libs/backends/jack/jack_portengine.cc
+++ b/libs/backends/jack/jack_portengine.cc
@@ -135,9 +135,11 @@ JACKAudioBackend::get_port_property (PortHandle port, const std::string& key, st
 	jack_uuid_t uuid = jack_port_uuid((jack_port_t*) port);
 	rv = jack_get_property(uuid, key.c_str(), &cvalue, &ctype);
 
-	if (0 == rv && cvalue && ctype) {
+	if (0 == rv && cvalue) {
 		value = cvalue;
-		type = ctype;
+		if (ctype) {
+			type = ctype;
+		}
 	} else {
 		rv = -1;
 	}