From d7663912315f691d29a14e507380c4e7feeacfdf Mon Sep 17 00:00:00 2001
From: Mark Jansen <mark.jansen@reactos.org>
Date: Sat, 16 Feb 2019 18:35:08 +0100
Subject: [PATCH] [SHELL32] Abort change notifications on a nullptr CORE-15703

---
 dll/win32/shell32/wine/changenotify.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dll/win32/shell32/wine/changenotify.c b/dll/win32/shell32/wine/changenotify.c
index 05c7284a87f..1873f4a487d 100644
--- a/dll/win32/shell32/wine/changenotify.c
+++ b/dll/win32/shell32/wine/changenotify.c
@@ -730,6 +730,12 @@ _NotificationCompletion(DWORD dwErrorCode, // completion code
         return;
     }
 
+    if (!item)
+    {
+        ERR("item == NULL\n");
+        return;
+    }
+
 #endif
 
     /* This likely means overflow, so force whole directory refresh. */