From 2901f896ebf6e0a4bda7840fa79dddca95d3d9ca Mon Sep 17 00:00:00 2001
From: Ivan Vangelista <mesgnet@yahoo.it>
Date: Sun, 5 Jul 2020 08:18:44 +0200
Subject: [PATCH] bus/qbus/qbus.cpp: fixed missing initialization that was
 causing crashes in devnoclear debug builds

---
 src/devices/bus/qbus/qbus.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/devices/bus/qbus/qbus.cpp b/src/devices/bus/qbus/qbus.cpp
index 293be5bcf27..8f00fb3e01e 100644
--- a/src/devices/bus/qbus/qbus.cpp
+++ b/src/devices/bus/qbus/qbus.cpp
@@ -57,6 +57,7 @@ qbus_slot_device::qbus_slot_device(const machine_config &mconfig, const char *ta
 	m_write_birq6(*this),
 	m_write_birq7(*this),
 	m_write_bdmr(*this),
+	m_card(nullptr),
 	m_bus(*this, DEVICE_SELF_OWNER)
 {
 }