From 1f5f4f3ad0b2bb97205b416c9b6c42affa694d80 Mon Sep 17 00:00:00 2001
From: Luke Usher <luke.usher@outlook.com>
Date: Mon, 12 Dec 2016 20:42:03 +0000
Subject: [PATCH] Fix a nullptr dereference in EmuDirectSoundBuffer8_Stop

Eggo Mania no longer crashes, but instad shows a 'disc is dirty or damaged' screen
---
 src/CxbxKrnl/EmuDSound.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/CxbxKrnl/EmuDSound.cpp b/src/CxbxKrnl/EmuDSound.cpp
index 77a7a55e4..fb46f6901 100644
--- a/src/CxbxKrnl/EmuDSound.cpp
+++ b/src/CxbxKrnl/EmuDSound.cpp
@@ -1444,10 +1444,12 @@ HRESULT WINAPI XTL::EmuIDirectSoundBuffer8_Stop
            ");\n",
            GetCurrentThreadId(), pThis);
 
-    HRESULT hRet = pThis->EmuDirectSoundBuffer8->Stop();
-
+	HRESULT hRet = D3D_OK;
     
-
+	if (pThis != nullptr) {
+		hRet = pThis->EmuDirectSoundBuffer8->Stop();
+	}
+   
     return hRet;
 }