From b82d23e59cd6c3f0ce86ae988c1aaa8715533c9f Mon Sep 17 00:00:00 2001
From: Uwe Kindler <uwe_kindler@web.de>
Date: Fri, 18 Nov 2022 21:15:06 +0100
Subject: [PATCH] Guard against null pointer access

---
 src/DockAreaWidget.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/DockAreaWidget.cpp b/src/DockAreaWidget.cpp
index 90d21e9..ab42bd2 100644
--- a/src/DockAreaWidget.cpp
+++ b/src/DockAreaWidget.cpp
@@ -452,6 +452,11 @@ void CDockAreaWidget::insertDockWidget(int index, CDockWidget* DockWidget,
 void CDockAreaWidget::removeDockWidget(CDockWidget* DockWidget)
 {
     ADS_PRINT("CDockAreaWidget::removeDockWidget");
+    if (!DockWidget)
+    {
+    	return;
+    }
+
     auto CurrentDockWidget = currentDockWidget();
   	auto NextOpenDockWidget = (DockWidget == CurrentDockWidget) ? nextOpenDockWidget(DockWidget) : nullptr;