From 0a0e948b2809590e2475e2d64e58a6adab3c7536 Mon Sep 17 00:00:00 2001
From: "H. Verbeet" <hverbeet@gmail.com>
Date: Wed, 14 Dec 2005 11:29:05 +0100
Subject: [PATCH] d3d9: Check for a NULL shader in
 IDirect3DDevice9Impl_GetVertexShader before getting the parent.

---
 dlls/d3d9/vertexshader.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/d3d9/vertexshader.c b/dlls/d3d9/vertexshader.c
index e4f76b9a9db..034b0979697 100644
--- a/dlls/d3d9/vertexshader.c
+++ b/dlls/d3d9/vertexshader.c
@@ -148,7 +148,7 @@ HRESULT WINAPI IDirect3DDevice9Impl_GetVertexShader(LPDIRECT3DDEVICE9 iface, IDi
 
     TRACE("(%p) : Relay  device@%p\n", This, This->WineD3DDevice);
     hrc = IWineD3DDevice_GetVertexShader(This->WineD3DDevice, &pShader);
-    if(hrc == D3D_OK){
+    if(hrc == D3D_OK && pShader != NULL){
        hrc = IWineD3DVertexShader_GetParent(pShader, (IUnknown **)ppShader);
        IWineD3DVertexShader_Release(pShader);
     } else {