From c8626eec1df7f97e7766340e3b0ceefd9b92add0 Mon Sep 17 00:00:00 2001
From: dragonmacher <48328597+dragonmacher@users.noreply.github.com>
Date: Thu, 28 Jan 2021 09:40:54 -0500
Subject: [PATCH] Fixed potential timing-based stack trace

---
 .../Docking/src/main/java/docking/ComponentProvider.java | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Ghidra/Framework/Docking/src/main/java/docking/ComponentProvider.java b/Ghidra/Framework/Docking/src/main/java/docking/ComponentProvider.java
index b45a616933..3d798d782f 100644
--- a/Ghidra/Framework/Docking/src/main/java/docking/ComponentProvider.java
+++ b/Ghidra/Framework/Docking/src/main/java/docking/ComponentProvider.java
@@ -204,13 +204,18 @@ public abstract class ComponentProvider implements HelpDescriptor, ActionContext
 	// Default implementation
 	public void requestFocus() {
 
+		JComponent component = getComponent();
+		if (component == null) {
+			return; // this shouldn't happen; this implies we have been disposed
+		}
+
 		KeyboardFocusManager kfm = KeyboardFocusManager.getCurrentKeyboardFocusManager();
 		Component focusOwner = kfm.getFocusOwner();
-		if (focusOwner != null && SwingUtilities.isDescendingFrom(focusOwner, getComponent())) {
+		if (focusOwner != null && SwingUtilities.isDescendingFrom(focusOwner, component)) {
 			return;
 		}
 
-		getComponent().requestFocus();
+		component.requestFocus();
 	}
 
 	/**