[NTFS]

[reactos.git] / reactos / drivers / filesystems / ntfs / fsctl.c

diff --git a/reactos/drivers/filesystems/ntfs/fsctl.c b/reactos/drivers/filesystems/ntfs/fsctl.c
index e3e20f0..8235678 100644 (file)
--- a/reactos/drivers/filesystems/ntfs/fsctl.c
+++ b/reactos/drivers/filesystems/ntfs/fsctl.c
@@ -232,6 +232,10 @@ NtfsGetVolumeData(PDEVICE_OBJECT DeviceObject,
         NtfsInfo->BytesPerFileRecord = BootSector->EBPB.ClustersPerMftRecord * NtfsInfo->BytesPerCluster;
     else
         NtfsInfo->BytesPerFileRecord = 1 << (-BootSector->EBPB.ClustersPerMftRecord);
+    if (BootSector->EBPB.ClustersPerIndexRecord > 0)
+        NtfsInfo->BytesPerIndexRecord = BootSector->EBPB.ClustersPerIndexRecord * NtfsInfo->BytesPerCluster;
+    else
+        NtfsInfo->BytesPerIndexRecord = 1 << (-BootSector->EBPB.ClustersPerIndexRecord);
 
     DPRINT("Boot sector information:\n");
     DPRINT("  BytesPerSector:         %hu\n", BootSector->BPB.BytesPerSector);