From 0757097fa0415890b72f70765990fb8a66bd0b1e Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Fri, 28 Feb 2020 01:37:23 +0000
Subject: [PATCH] [d3d9] Initialize return ptr in device's GetBackBuffer

The swapchain's function does not do this, but this one does.
---
 src/d3d9/d3d9_device.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/d3d9/d3d9_device.cpp b/src/d3d9/d3d9_device.cpp
index 441e258c4..e3298247f 100644
--- a/src/d3d9/d3d9_device.cpp
+++ b/src/d3d9/d3d9_device.cpp
@@ -326,6 +326,8 @@ namespace dxvk {
           UINT                iBackBuffer,
           D3DBACKBUFFER_TYPE  Type,
           IDirect3DSurface9** ppBackBuffer) {
+    InitReturnPtr(ppBackBuffer);
+
     if (unlikely(iSwapChain != 0))
       return D3DERR_INVALIDCALL;