From d74eb54b06ccc905dbd45256a0b3b1e9deeadb7c Mon Sep 17 00:00:00 2001
From: Victor Perevertkin <victor.perevertkin@reactos.org>
Date: Mon, 13 Sep 2021 23:37:34 +0300
Subject: [PATCH] [WIN32SS:GDI] Add a sanity assert

---
 win32ss/gdi/eng/pdevobj.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/win32ss/gdi/eng/pdevobj.c b/win32ss/gdi/eng/pdevobj.c
index eb05e237039..a9f959b4b23 100644
--- a/win32ss/gdi/eng/pdevobj.c
+++ b/win32ss/gdi/eng/pdevobj.c
@@ -365,6 +365,7 @@ EngpCreatePDEV(
     }
     else
     {
+        ASSERT(gpPrimaryGraphicsDevice);
         pGraphicsDevice = gpPrimaryGraphicsDevice;
     }