From 84829858fce38b9f785db07ef07c1d38e184e813 Mon Sep 17 00:00:00 2001
From: Seth Fowler <mark.seth.fowler@gmail.com>
Date: Fri, 31 Jul 2015 07:29:07 -0700
Subject: [PATCH] Bug 1187386 (Part 3) - Don't destroy Decoder::mImage if
 Decoder::mImage is null. r=tn

---
 image/Decoder.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/image/Decoder.cpp b/image/Decoder.cpp
index 6f883bf4507..627c558f761 100644
--- a/image/Decoder.cpp
+++ b/image/Decoder.cpp
@@ -57,7 +57,7 @@ Decoder::~Decoder()
              "Destroying Decoder without taking all its invalidations");
   mInitialized = false;
 
-  if (!NS_IsMainThread()) {
+  if (mImage && !NS_IsMainThread()) {
     // Dispatch mImage to main thread to prevent it from being destructed by the
     // decode thread.
     nsCOMPtr<nsIThread> mainThread = do_GetMainThread();