From 4414132a97073449da5caa9151d5b32340a01be5 Mon Sep 17 00:00:00 2001
From: Giannis Adamopoulos <gadamopoulos@reactos.org>
Date: Sun, 23 Apr 2017 11:12:48 +0000
Subject: [PATCH 1/1] [NTOSKRNL] CcPurgeCacheSection: Check if SharedCacheMap
 is NULL. Change suggested by ThFabba. CORE-13115

svn path=/trunk/; revision=74392
---
 reactos/ntoskrnl/cc/fs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/reactos/ntoskrnl/cc/fs.c b/reactos/ntoskrnl/cc/fs.c
index 40476d51eb6..4ecd55352ad 100644
--- a/reactos/ntoskrnl/cc/fs.c
+++ b/reactos/ntoskrnl/cc/fs.c
@@ -153,6 +153,8 @@ CcPurgeCacheSection (
     }
 
     SharedCacheMap = SectionObjectPointer->SharedCacheMap;
+    if (!SharedCacheMap)
+        return FALSE;
 
     StartOffset = FileOffset != NULL ? FileOffset->QuadPart : 0;
     if (Length == 0 || FileOffset == NULL)
-- 
2.17.1