From f026d74828548a2b33afd141fc03e75dd57c764a Mon Sep 17 00:00:00 2001
From: "dolske%mozilla.com" <dolske%mozilla.com>
Date: Wed, 23 Jan 2008 02:14:23 +0000
Subject: [PATCH] Bug 413512 - Crash loading www.pricerunner.de [@
 imgTools::EncodeScaledImage]. r=stuart, a=blocking-ff3+

---
 modules/libpr0n/src/imgTools.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/libpr0n/src/imgTools.cpp b/modules/libpr0n/src/imgTools.cpp
index dd822a11d2b..67f4d33cacd 100644
--- a/modules/libpr0n/src/imgTools.cpp
+++ b/modules/libpr0n/src/imgTools.cpp
@@ -287,6 +287,8 @@ NS_IMETHODIMP imgTools::EncodeScaledImage(imgIContainer *aContainer,
   nsCOMPtr<gfxIImageFrame> frame;
   rv = aContainer->GetFrameAt(0, getter_AddRefs(frame));
   NS_ENSURE_SUCCESS(rv, rv);
+  if (!frame)
+    return NS_ERROR_NOT_AVAILABLE;
 
   PRInt32 w,h;
   frame->GetWidth(&w);