From 028e5500469bbcb4e6d35ffa935c0dd57babf593 Mon Sep 17 00:00:00 2001
From: "jruderman@hmc.edu" <none@none>
Date: Tue, 6 Nov 2007 22:46:35 -0800
Subject: [PATCH] Fix bug 398880, getElementsByClassName('') leaks an
 nsVoidArray.  r=sayrer, sr=jst, a=blocking1.9+.

---
 content/base/src/nsDocument.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/content/base/src/nsDocument.cpp b/content/base/src/nsDocument.cpp
index 4567ccb8351..ad3d4fb2c19 100644
--- a/content/base/src/nsDocument.cpp
+++ b/content/base/src/nsDocument.cpp
@@ -1738,6 +1738,8 @@ nsDocument::GetElementsByClassNameHelper(nsINode* aRootNode,
     elements = new nsContentList(aRootNode, MatchClassNames,
                                  DestroyClassNameArray, classes);
   } else {
+    delete classes;
+    classes = nsnull;
     elements = new nsBaseContentList();
   }
   if (!elements) {