From fb8db038f7c8a322fc86901f86cf3313cc12055a Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sat, 29 Jun 2013 17:19:49 +0200
Subject: [PATCH] Fix crash when showing external send GUI

---
 gtk2_ardour/gain_meter.cc | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/gtk2_ardour/gain_meter.cc b/gtk2_ardour/gain_meter.cc
index 99f1f75f0e..c38fbc6642 100644
--- a/gtk2_ardour/gain_meter.cc
+++ b/gtk2_ardour/gain_meter.cc
@@ -1163,7 +1163,8 @@ GainMeter::meter_configuration_changed (ChanCount c)
 		}
 	}
 
-	if (boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
+	if (_route
+			&& boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
 			&& boost::dynamic_pointer_cast<MidiTrack>(_route) == 0
 			) {
 		if (_route->active()) {
@@ -1173,20 +1174,20 @@ GainMeter::meter_configuration_changed (ChanCount c)
 		}
 	}
 	else if (type == (1 << DataType::AUDIO)) {
-		if (_route->active()) {
+		if (!_route || _route->active()) {
 			set_meter_strip_name ("AudioTrackMetrics");
 		} else {
 			set_meter_strip_name ("AudioTrackMetricsInactive");
 		}
 	}
 	else if (type == (1 << DataType::MIDI)) {
-		if (_route->active()) {
+		if (!_route || _route->active()) {
 			set_meter_strip_name ("MidiTrackMetrics");
 		} else {
 			set_meter_strip_name ("MidiTrackMetricsInactive");
 		}
 	} else {
-		if (_route->active()) {
+		if (!_route || _route->active()) {
 			set_meter_strip_name ("AudioMidiTrackMetrics");
 		} else {
 			set_meter_strip_name ("AudioMidiTrackMetricsInactive");