From 4ded5c390d06ce892fc1f96296c894464ef436c0 Mon Sep 17 00:00:00 2001
From: "saari%netscape.com" <saari%netscape.com>
Date: Fri, 17 Aug 2001 02:30:22 +0000
Subject: [PATCH] Fix for bug 82569, a simple null check to patch over a crash
 some people are seeing from talkback. r=blake, sr=jst

---
 dom/src/base/nsFocusController.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dom/src/base/nsFocusController.cpp b/dom/src/base/nsFocusController.cpp
index 424e45c67b8a..147b8a25f72b 100644
--- a/dom/src/base/nsFocusController.cpp
+++ b/dom/src/base/nsFocusController.cpp
@@ -132,7 +132,8 @@ nsFocusController::UpdateCommands(const nsAReadableString& aEventName)
       doc->GetScriptGlobalObject(getter_AddRefs(global));
 
       nsCOMPtr<nsIDOMWindowInternal> window(do_QueryInterface(global));
-      window->UpdateCommands(aEventName);
+      if (window)
+        window->UpdateCommands(aEventName);
     }
   }
   return NS_OK;