From 0ec7cd264bfac3e7465fe0f0740e0db215ab5a41 Mon Sep 17 00:00:00 2001
From: Chris Pearce <cpearce@mozilla.com>
Date: Mon, 3 Sep 2012 16:12:23 +1200
Subject: [PATCH] Bug 787805 - Null check mInput in
 FileMediaResource::EnsureLengthInitialized(). r=roc

---
 content/media/MediaResource.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/media/MediaResource.cpp b/content/media/MediaResource.cpp
index 8a4b8779319..c860c5f4072 100644
--- a/content/media/MediaResource.cpp
+++ b/content/media/MediaResource.cpp
@@ -1031,7 +1031,7 @@ private:
 void FileMediaResource::EnsureLengthInitialized()
 {
   mLock.AssertCurrentThreadOwns();
-  if (mSizeInitialized) {
+  if (mSizeInitialized || !mInput) {
     return;
   }
   mSizeInitialized = true;