[gadamopoulos] 74392: [NTOSKRNL] CcPurgeCacheSection: Check if SharedCacheMap is NULL. Change suggested by ThFabba. CORE-13115

Author: gadamopoulos
Date: Sun Apr 23 11:12:48 2017
New Revision: 74392

URL: http://svn.reactos.org/svn/reactos?rev=74392&view=rev
Log:
[NTOSKRNL] CcPurgeCacheSection: Check if SharedCacheMap is NULL. Change suggested by ThFabba. CORE-13115

Modified:
    trunk/reactos/ntoskrnl/cc/fs.c

Modified: trunk/reactos/ntoskrnl/cc/fs.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cc/fs.c?rev=74392&...
==============================================================================
--- trunk/reactos/ntoskrnl/cc/fs.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cc/fs.c	[iso-8859-1] Sun Apr 23 11:12:48 2017
@@ -153,6 +153,8 @@
     }

SharedCacheMap = SectionObjectPointer->SharedCacheMap;
+    if (!SharedCacheMap)
+        return FALSE;

StartOffset = FileOffset != NULL ? FileOffset->QuadPart : 0;
     if (Length == 0 || FileOffset == NULL)