[pschweitzer] 65014: [FASTFAT] Make FATGetNextDirEntry() and vfatFindDirSpace() complain when they are given a cleaned up FCB (which shouldn't happen!). They'll display full path, references count, ...

Author: pschweitzer
Date: Sun Oct 26 15:56:20 2014
New Revision: 65014

URL: http://svn.reactos.org/svn/reactos?rev=65014&view=rev
Log:
[FASTFAT]
Make FATGetNextDirEntry() and vfatFindDirSpace() complain when they are given a cleaned up
FCB (which shouldn't happen!).
They'll display full path, references count, open handles count.

Where are you little reference leak?

Modified:
    trunk/reactos/drivers/filesystems/fastfat/direntry.c
    trunk/reactos/drivers/filesystems/fastfat/dirwr.c

Modified: trunk/reactos/drivers/filesystems/fastfat/direntry.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfa…
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat/direntry.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat/direntry.c	[iso-8859-1] Sun Oct 26 15:56:20
2014
@@ -201,6 +201,12 @@
             CcUnpinData(*pContext);
         }
 
+        if (!pDirFcb->FileObject)
+        {
+            DPRINT1("Buggy FCB (cleaned up)! %S (%d / %u)\n",
pDirFcb->PathNameBuffer, pDirFcb->RefCount, pDirFcb->OpenHandleCount);
+            return STATUS_NO_MORE_ENTRIES;
+        }
+
         if (FileOffset.u.LowPart >= pDirFcb->RFCB.FileSize.u.LowPart ||
             !CcMapData(pDirFcb->FileObject, &FileOffset, PAGE_SIZE, TRUE,
pContext, pPage))
         {

Modified: trunk/reactos/drivers/filesystems/fastfat/dirwr.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfa…
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat/dirwr.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat/dirwr.c	[iso-8859-1] Sun Oct 26 15:56:20
2014
@@ -166,6 +166,11 @@
             if (Context)
             {
                 CcUnpinData(Context);
+            }
+            if (!pDirFcb->FileObject)
+            {
+                DPRINT1("Buggy FCB (cleaned up)! %S (%d / %u)\n",
pDirFcb->PathNameBuffer, pDirFcb->RefCount, pDirFcb->OpenHandleCount);
+                return FALSE;
             }
             if (!CcPinRead(pDirFcb->FileObject, &FileOffset,
DeviceExt->FatInfo.BytesPerCluster,
                       TRUE, &Context, (PVOID*)&pFatEntry))