From f0ae0a17642228a1fef32d86de1f68d42d71f43a Mon Sep 17 00:00:00 2001
From: "R. Belmont" <rb6502@users.noreply.github.com>
Date: Sat, 22 Feb 2014 22:03:37 +0000
Subject: [PATCH] fixed crash (nw)

---
 src/emu/bus/midi/midi.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/emu/bus/midi/midi.c b/src/emu/bus/midi/midi.c
index d040f2d606b..4e6f3bd93fe 100644
--- a/src/emu/bus/midi/midi.c
+++ b/src/emu/bus/midi/midi.c
@@ -26,7 +26,10 @@ midi_port_device::~midi_port_device()
 void midi_port_device::device_config_complete()
 {
 	m_dev = dynamic_cast<device_midi_port_interface *>(get_card_device());
-	m_dev->set_my_port_device(this);
+	if (m_dev)
+	{
+		m_dev->set_my_port_device(this); 
+	}
 }
 
 void midi_port_device::device_start()