From 3a7286a65f2229df61403d44e2eb73c4acacd6a4 Mon Sep 17 00:00:00 2001
From: "gavin%gavinsharp.com"
 <gavin%gavinsharp.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Sun, 26 Feb 2006 19:39:06 +0000
Subject: [PATCH] Bug 328298: crash when passing null to loadAndRegisterSheet,
 r+sr=dbaron

git-svn-id: svn://10.0.0.236/trunk@191284 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/layout/base/nsStyleSheetService.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mozilla/layout/base/nsStyleSheetService.cpp b/mozilla/layout/base/nsStyleSheetService.cpp
index 36a7126c141..d6c3e6e88a8 100644
--- a/mozilla/layout/base/nsStyleSheetService.cpp
+++ b/mozilla/layout/base/nsStyleSheetService.cpp
@@ -142,6 +142,7 @@ nsStyleSheetService::LoadAndRegisterSheet(nsIURI *aSheetURI,
                                           PRUint32 aSheetType)
 {
   NS_ENSURE_ARG(aSheetType == AGENT_SHEET || aSheetType == USER_SHEET);
+  NS_ENSURE_ARG_POINTER(aSheetURI);
 
   nsCOMPtr<nsICSSLoader> loader = do_CreateInstance(kCSSLoaderCID);
   nsCOMPtr<nsICSSStyleSheet> sheet;