From: Fabian Stemmler <stemmler@in.tum.de>
Date: Sun, 6 Oct 2019 22:01:39 +0000 (+0200)
Subject: Added null check in dispose() of InstructionView
X-Git-Url: https://mograsim.net/gitweb/?a=commitdiff_plain;h=dc1778bb67daef92fb4ef16c5bba5395f6914eda;hp=bb3789495a02583ae7b88ffcb131f3e7e9a2c688;p=Mograsim.git

Added null check in dispose() of InstructionView

If editor fails to initialize, memory is still null when dispose is
called.
---

diff --git a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java
index 1da1cbff..214bd8ce 100644
--- a/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java
+++ b/plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionView.java
@@ -232,7 +232,8 @@ public class InstructionView extends EditorPart
 	@Override
 	public void dispose()
 	{
-		memory.deregisterCellModifiedListener(cellModifiedListener);
+		if (memory != null)
+			memory.deregisterCellModifiedListener(cellModifiedListener);
 		super.dispose();
 	}