[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 fd59588..67f2664 100644 (file)
--- a/reactos/drivers/filesystems/ntfs/fsctl.c
+++ b/reactos/drivers/filesystems/ntfs/fsctl.c
@@ -89,6 +89,10 @@ NtfsHasFileSystem(PDEVICE_OBJECT DeviceToMount)
             return STATUS_UNRECOGNIZED_VOLUME;
         }
     }
+    else if (DiskGeometry.MediaType == Unknown)
+    {
+        DiskGeometry.BytesPerSector = 512;
+    }
 
     DPRINT1("BytesPerSector: %lu\n", DiskGeometry.BytesPerSector);
     BootSector = ExAllocatePoolWithTag(NonPagedPool,