fix crash caused by trying to connect monitor section before it has ports.

This does not fix the ordering issues caused by things happening
before the monitor section gaining ports

diff --git a/libs/ardour/auditioner.cc b/libs/ardour/auditioner.cc
index e1c04c462a8468fbd07954cac6110aa4f6105a4f..b190165c728d98988f31934b70d37cad566945ec 100644 (file)
--- a/libs/ardour/auditioner.cc
+++ b/libs/ardour/auditioner.cc
@@ -137,25 +137,25 @@ Auditioner::connect ()
        via_monitor = false;
 
        if (left.empty() || left == "default") {
-                if (_session.monitor_out()) {
-                        left = _session.monitor_out()->input()->audio (0)->name();
-                        via_monitor = true;
-                } else {
+               if (_session.monitor_out() && _session.monitor_out()->input()->audio (0)) {
+                       left = _session.monitor_out()->input()->audio (0)->name();
+                       via_monitor = true;
+               } else {
                        if (outputs.size() > 0) {
                                left = outputs[0];
                        }
-                }
+               }
        }
 
        if (right.empty() || right == "default") {
-                if (_session.monitor_out()) {
-                        right = _session.monitor_out()->input()->audio (1)->name();
-                        via_monitor = true;
-                } else {
+               if (_session.monitor_out() && _session.monitor_out()->input()->audio (1)) {
+                       right = _session.monitor_out()->input()->audio (1)->name();
+                       via_monitor = true;
+               } else {
                        if (outputs.size() > 1) {
                                right = outputs[1];
                        }
-                }
+               }
        }
 
        _output->disconnect (this);