fix bug 9032, check for null crash

git-svn-id: svn://10.0.0.236/trunk@38309 18797224-902f-48f8-a5cc-f745e15eee43
1999-07-04 02:43:58 +00:00
parent 5e8240f9a6
commit f9c8a5f23b
1 changed files with 3 additions and 0 deletions
--- a/mozilla/xpfe/appshell/src/nsWebShellWindow.cpp
+++ b/mozilla/xpfe/appshell/src/nsWebShellWindow.cpp
@@ -1895,6 +1895,9 @@ nsWebShellWindow::HandleUnknownContentType(nsIDocumentLoader* loader,
 //----------------------------------------
 nsCOMPtr<nsIDOMNode> nsWebShellWindow::FindNamedDOMNode(const nsString &aName, nsIDOMNode * aParent, PRInt32 & aCount, PRInt32 aEndCount)
 {
+  if(!aParent)
+    return nsnull;
+    
  nsCOMPtr<nsIDOMNode> node;
  aParent->GetFirstChild(getter_AddRefs(node));
  while (node) {