From 8e03b3d45ee4199e80644876a3435ff0da8ea7a0 Mon Sep 17 00:00:00 2001
From: Karl Tomlinson <karlt+@karlt.net>
Date: Fri, 6 Nov 2015 15:00:17 +1300
Subject: [PATCH] bug 1221855 null-check mInputBuffer in SizeOfExcludingThis()
 r=padenot

---
 dom/media/webaudio/ScriptProcessorNode.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dom/media/webaudio/ScriptProcessorNode.cpp b/dom/media/webaudio/ScriptProcessorNode.cpp
index 45f4d7f43e1..c00ccc8a86a 100644
--- a/dom/media/webaudio/ScriptProcessorNode.cpp
+++ b/dom/media/webaudio/ScriptProcessorNode.cpp
@@ -342,7 +342,9 @@ public:
     // - mDestination (probably)
     size_t amount = AudioNodeEngine::SizeOfExcludingThis(aMallocSizeOf);
     amount += mSharedBuffers->SizeOfIncludingThis(aMallocSizeOf);
-    amount += mInputBuffer->SizeOfIncludingThis(aMallocSizeOf);
+    if (mInputBuffer) {
+      amount += mInputBuffer->SizeOfIncludingThis(aMallocSizeOf);
+    }
 
     return amount;
   }