From 4ba4d8b4e0c4215f5161877939bc4bdfcc2d9842 Mon Sep 17 00:00:00 2001
From: Jesse Dubay <jesse@thefortytwo.net>
Date: Sat, 27 Oct 2012 22:16:45 +0200
Subject: [PATCH] ControllerConnectionDialog: fix crash on autodetect when
 using raw MIDI client

---
 src/gui/ControllerConnectionDialog.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/gui/ControllerConnectionDialog.cpp b/src/gui/ControllerConnectionDialog.cpp
index 9c0db85ab..53ffc89e9 100644
--- a/src/gui/ControllerConnectionDialog.cpp
+++ b/src/gui/ControllerConnectionDialog.cpp
@@ -427,7 +427,10 @@ void ControllerConnectionDialog::midiValueChanged()
 	if( m_midiAutoDetect.value() )
 	{
 		m_midiController->useDetected();
-		m_readablePorts->updateMenu();
+		if( m_readablePorts )
+		{
+			m_readablePorts->updateMenu();
+		}
 	}
 }