mirror of
https://github.com/reactos/reactos.git
synced 2024-09-30 22:47:28 +00:00
Added a check for end of fat chain before end of recorded length
svn path=/trunk/; revision=1826
This commit is contained in:
parent
21cbb4fcc1
commit
595a5bad20
|
@ -1,5 +1,5 @@
|
|||
|
||||
/* $Id: rw.c,v 1.22 2001/04/03 17:25:50 dwelch Exp $
|
||||
/* $Id: rw.c,v 1.23 2001/04/26 01:28:54 phreak Exp $
|
||||
*
|
||||
* COPYRIGHT: See COPYING in the top level directory
|
||||
* PROJECT: ReactOS kernel
|
||||
|
@ -384,7 +384,7 @@ VfatReadFile (PDEVICE_EXTENSION DeviceExt, PFILE_OBJECT FileObject,
|
|||
else
|
||||
CurrentCluster = Fcb->entry.FirstCluster;
|
||||
FirstCluster = CurrentCluster;
|
||||
|
||||
DPRINT( "FirstCluster = %x\n", FirstCluster );
|
||||
/*
|
||||
* Truncate the read if necessary
|
||||
*/
|
||||
|
@ -446,7 +446,7 @@ VfatReadFile (PDEVICE_EXTENSION DeviceExt, PFILE_OBJECT FileObject,
|
|||
ReadOffset = ReadOffset + TempLength;
|
||||
}
|
||||
|
||||
while (Length >= ChunkSize)
|
||||
while (Length >= ChunkSize && CurrentCluster)
|
||||
{
|
||||
VfatReadCluster(DeviceExt, Fcb, ReadOffset,
|
||||
FirstCluster, &CurrentCluster, Buffer, NoCache, 0,
|
||||
|
@ -457,7 +457,7 @@ VfatReadFile (PDEVICE_EXTENSION DeviceExt, PFILE_OBJECT FileObject,
|
|||
Length = Length - ChunkSize;
|
||||
ReadOffset = ReadOffset + ChunkSize;
|
||||
}
|
||||
if (Length > 0)
|
||||
if (Length > 0 && CurrentCluster)
|
||||
{
|
||||
VfatReadCluster(DeviceExt, Fcb, ReadOffset,
|
||||
FirstCluster, &CurrentCluster, Buffer, NoCache, 0,
|
||||
|
|
Loading…
Reference in a new issue