From fc0f4a3bff709e69f499ed0a07b30bfde4bec6d1 Mon Sep 17 00:00:00 2001
From: "heikki%netscape.com" <heikki%netscape.com>
Date: Tue, 25 Sep 2001 22:16:41 +0000
Subject: [PATCH] Bug 95489, attempting to fix this topcrash with a null-check.
 r=harishd, sr=vidur.

---
 content/base/src/nsScriptLoader.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/content/base/src/nsScriptLoader.cpp b/content/base/src/nsScriptLoader.cpp
index 5b05ebe053fb..2aa9e54f8115 100644
--- a/content/base/src/nsScriptLoader.cpp
+++ b/content/base/src/nsScriptLoader.cpp
@@ -535,6 +535,11 @@ nsScriptLoader::EvaluateScript(nsScriptLoadRequest* aRequest,
 {
   nsresult rv = NS_OK;
 
+  // We need a document to evaluate scripts.
+  if (!mDocument) {
+    return NS_ERROR_FAILURE;
+  }
+
   nsCOMPtr<nsIScriptGlobalObject> globalObject;
   mDocument->GetScriptGlobalObject(getter_AddRefs(globalObject));
   NS_ENSURE_TRUE(globalObject, NS_ERROR_FAILURE);