[NTFS]

Don't perform an overestimated allocation in NtfsReadFile()

Patch by Trevor Thompson

CORE-10998

svn path=/trunk/; revision=71156

diff --git a/reactos/drivers/filesystems/ntfs/rw.c b/reactos/drivers/filesystems/ntfs/rw.c
index e74d5a6..be5ec28 100644 (file)
--- a/reactos/drivers/filesystems/ntfs/rw.c
+++ b/reactos/drivers/filesystems/ntfs/rw.c
@@ -150,7 +150,7 @@ NtfsReadFile(PDEVICE_EXTENSION DeviceExt,
             RealLength += DeviceExt->NtfsInfo.BytesPerSector;
 
 
-        ReadBuffer = ExAllocatePoolWithTag(NonPagedPool, RealLength + (DeviceExt->NtfsInfo.BytesPerSector * 2), TAG_NTFS);
+        ReadBuffer = ExAllocatePoolWithTag(NonPagedPool, RealLength, TAG_NTFS);
         if (ReadBuffer == NULL)
         {
             DPRINT1("Not enough memory!\n");