From cb7bd86fbe2e9b8e5aaf7a8f3e3ddde677ea7b0d Mon Sep 17 00:00:00 2001
From: "waterson%netscape.com"
 <waterson%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Fri, 30 Apr 1999 16:25:34 +0000
Subject: [PATCH] Bug 5695. Check return code from GetScriptGlobalObject()
 before trying to deref pointer. r=nisheeth,a=chofmann

git-svn-id: svn://10.0.0.236/trunk@29841 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/webshell/src/nsDocumentViewer.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mozilla/webshell/src/nsDocumentViewer.cpp b/mozilla/webshell/src/nsDocumentViewer.cpp
index cd5a762f87f..8ed317a7929 100644
--- a/mozilla/webshell/src/nsDocumentViewer.cpp
+++ b/mozilla/webshell/src/nsDocumentViewer.cpp
@@ -296,8 +296,8 @@ DocumentViewerImpl::Init(nsNativeWidget aNativeParent,
         if (nsnull != owner) {
             mDocument->SetScriptContextOwner(owner);
             nsIScriptGlobalObject* global;
-            owner->GetScriptGlobalObject(&global);
-            if (nsnull != global) {
+            rv = owner->GetScriptGlobalObject(&global);
+            if (NS_SUCCEEDED(rv) && (nsnull != global)) {
                 nsIDOMDocument *domdoc = nsnull;
                 mDocument->QueryInterface(kIDOMDocumentIID,
                                           (void**) &domdoc);