From a248ae985d54e3cc56d3f27cd3bae6686adf12f0 Mon Sep 17 00:00:00 2001
From: ZeroFault <gabelloster@gmail.com>
Date: Tue, 17 Apr 2018 05:57:40 -0600
Subject: [PATCH] [d3d11] nullptr check on Begin and End (#295)

---
 src/d3d11/d3d11_context.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/d3d11/d3d11_context.cpp b/src/d3d11/d3d11_context.cpp
index bc2a8d2c3..3f14e21fe 100644
--- a/src/d3d11/d3d11_context.cpp
+++ b/src/d3d11/d3d11_context.cpp
@@ -181,6 +181,9 @@ namespace dxvk {
   
   
   void STDMETHODCALLTYPE D3D11DeviceContext::Begin(ID3D11Asynchronous *pAsync) {
+    if (pAsync == nullptr)
+      return;
+    
     Com<ID3D11Query> query;
     
     if (SUCCEEDED(pAsync->QueryInterface(__uuidof(ID3D11Query), reinterpret_cast<void**>(&query)))) {
@@ -198,8 +201,11 @@ namespace dxvk {
   
   
   void STDMETHODCALLTYPE D3D11DeviceContext::End(ID3D11Asynchronous *pAsync) {
+    if (pAsync == nullptr)
+      return;
+
     Com<ID3D11Query> query;
-    
+   
     if (SUCCEEDED(pAsync->QueryInterface(__uuidof(ID3D11Query), reinterpret_cast<void**>(&query)))) {
       Com<D3D11Query> queryPtr = static_cast<D3D11Query*>(query.ptr());