From e70df4c633ef7ba78c5e02ccb4948c7bfe4f9be2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Gardou?= <jerome.gardou@reactos.org>
Date: Wed, 9 Jun 2021 18:27:12 +0200
Subject: [PATCH] [WIN32K:ENG] In EngLockDriverObj, properly return NULL when
 locking failed

CORE-15958
---
 win32ss/gdi/eng/driverobj.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/win32ss/gdi/eng/driverobj.c b/win32ss/gdi/eng/driverobj.c
index f1987df6afa..1a4d772864e 100644
--- a/win32ss/gdi/eng/driverobj.c
+++ b/win32ss/gdi/eng/driverobj.c
@@ -120,7 +120,7 @@ EngLockDriverObj(
     pedo = DRIVEROBJ_TryLockObject(hdo);
 
     /* Return pointer to the DRIVEROBJ structure */
-    return &pedo->drvobj;
+    return pedo ? &pedo->drvobj : NULL;
 }