From ef785a49ec6f4dd970098f9a2a0ed7d69c7390c2 Mon Sep 17 00:00:00 2001
From: Deepak Bhole <dbhole@redhat.com>
Date: Thu, 20 Jan 2011 11:06:41 -0500
Subject: Fix PR619: Improper finalization by the plugin can crash the browser

---
 plugin/icedteanp/java/netscape/javascript/JSObject.java | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'plugin/icedteanp/java/netscape/javascript/JSObject.java')

diff --git a/plugin/icedteanp/java/netscape/javascript/JSObject.java b/plugin/icedteanp/java/netscape/javascript/JSObject.java
index 293f2be..a5bf41f 100644
--- a/plugin/icedteanp/java/netscape/javascript/JSObject.java
+++ b/plugin/icedteanp/java/netscape/javascript/JSObject.java
@@ -259,6 +259,11 @@ public final class JSObject {
      * JavaScript object.
      */
     protected void finalize() {
+
+        // Proceed if this is a valid object (0L == default long == invalid)
+        if (internal == 0L)
+            return;
+
         PluginDebug.debug("JSObject.finalize ");
         PluginAppletViewer.JavaScriptFinalize(internal);
     }
-- 
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