From 6828e6387f303ecf2773c319d9d871d586651366 Mon Sep 17 00:00:00 2001
From: Chuck Walbourn <chuckw@windows.microsoft.com>
Date: Fri, 6 Jul 2018 11:57:14 -0700
Subject: [PATCH] Minor code review

---
 DirectXTex/d3dx12.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/DirectXTex/d3dx12.h b/DirectXTex/d3dx12.h
index 57d79b8..6172287 100644
--- a/DirectXTex/d3dx12.h
+++ b/DirectXTex/d3dx12.h
@@ -2548,7 +2548,7 @@ inline HRESULT D3DX12ParsePipelineStream(const D3D12_PIPELINE_STATE_STREAM_DESC&
     {
         BYTE* pStream = static_cast<BYTE*>(Desc.pPipelineStateSubobjectStream)+CurOffset;
         auto SubobjectType = *reinterpret_cast<D3D12_PIPELINE_STATE_SUBOBJECT_TYPE*>(pStream);
-        if (SubobjectType >= D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_MAX_VALID)
+        if (SubobjectType < 0 || SubobjectType >= D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_MAX_VALID)
         {
             pCallbacks->ErrorUnknownSubobject(SubobjectType);
             return E_INVALIDARG;