1 files changed, 4 insertions, 4 deletions
diff --git a/src/Driver/Ntdriver.c b/src/Driver/Ntdriver.c
index 65423829..1b6bab01 100644
--- a/src/Driver/Ntdriver.c
+++ b/src/Driver/Ntdriver.c
@@ -1211,120 +1211,120 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
 				}
 					}
 				}
 
 		break;
 
 	case IOCTL_DISK_GET_PARTITION_INFO:
 		Dump ("ProcessVolumeDeviceControlIrp (IOCTL_DISK_GET_PARTITION_INFO)\n");
 		if (ValidateIOBufferSize (Irp, sizeof (PARTITION_INFORMATION), ValidateOutput))
 		{
 			PPARTITION_INFORMATION outputBuffer = (PPARTITION_INFORMATION)
 			Irp->AssociatedIrp.SystemBuffer;
 
 			outputBuffer->PartitionType = Extension->PartitionType;
 			outputBuffer->BootIndicator = FALSE;
 			outputBuffer->RecognizedPartition = TRUE;
 			outputBuffer->RewritePartition = FALSE;
 			outputBuffer->StartingOffset.QuadPart = BYTES_PER_MB; // Set offset to 1MB to emulate the partition offset on a real MBR disk
 			outputBuffer->PartitionLength.QuadPart= Extension->DiskLength;
 			outputBuffer->PartitionNumber = 1;
-			outputBuffer->HiddenSectors = 0;
+			outputBuffer->HiddenSectors = BYTES_PER_MB / Extension->BytesPerSector;
 			Irp->IoStatus.Status = STATUS_SUCCESS;
 			Irp->IoStatus.Information = sizeof (PARTITION_INFORMATION);
 		}
 		break;
 
 	case IOCTL_DISK_GET_PARTITION_INFO_EX:
 		Dump ("ProcessVolumeDeviceControlIrp (IOCTL_DISK_GET_PARTITION_INFO_EX)\n");
 		if (ValidateIOBufferSize (Irp, sizeof (PARTITION_INFORMATION_EX), ValidateOutput))
 		{
 			PPARTITION_INFORMATION_EX outputBuffer = (PPARTITION_INFORMATION_EX) Irp->AssociatedIrp.SystemBuffer;
 
 			outputBuffer->PartitionStyle = PARTITION_STYLE_MBR;
 			outputBuffer->RewritePartition = FALSE;
 			outputBuffer->StartingOffset.QuadPart = BYTES_PER_MB; // Set offset to 1MB to emulate the partition offset on a real MBR disk
 			outputBuffer->PartitionLength.QuadPart= Extension->DiskLength;
 			outputBuffer->PartitionNumber = 1;
 			outputBuffer->Mbr.PartitionType = Extension->PartitionType;
 			outputBuffer->Mbr.BootIndicator = FALSE;
 			outputBuffer->Mbr.RecognizedPartition = TRUE;
-			outputBuffer->Mbr.HiddenSectors = 0;
+			outputBuffer->Mbr.HiddenSectors = BYTES_PER_MB / Extension->BytesPerSector;
 			Irp->IoStatus.Status = STATUS_SUCCESS;
 			Irp->IoStatus.Information = sizeof (PARTITION_INFORMATION_EX);
 		}
 		break;
 
 	case IOCTL_DISK_GET_DRIVE_LAYOUT:
 		Dump ("ProcessVolumeDeviceControlIrp (IOCTL_DISK_GET_DRIVE_LAYOUT)\n");
 		if (ValidateIOBufferSize (Irp, sizeof (DRIVE_LAYOUT_INFORMATION), ValidateOutput))
 		{
 			BOOL bFullBuffer = (irpSp->Parameters.DeviceIoControl.OutputBufferLength >= (sizeof (DRIVE_LAYOUT_INFORMATION) + 3*sizeof(PARTITION_INFORMATION)))? TRUE : FALSE;
 			PDRIVE_LAYOUT_INFORMATION outputBuffer = (PDRIVE_LAYOUT_INFORMATION)
 			Irp->AssociatedIrp.SystemBuffer;
 
 			outputBuffer->PartitionCount = bFullBuffer? 4 : 1;
 			outputBuffer->Signature = GetCrc32((unsigned char*) &(Extension->UniqueVolumeId), 4);
 
 			outputBuffer->PartitionEntry->PartitionType = Extension->PartitionType;
 			outputBuffer->PartitionEntry->BootIndicator = FALSE;
 			outputBuffer->PartitionEntry->RecognizedPartition = TRUE;
 			outputBuffer->PartitionEntry->RewritePartition = FALSE;
 			outputBuffer->PartitionEntry->StartingOffset.QuadPart = BYTES_PER_MB; // Set offset to 1MB to emulate the partition offset on a real MBR disk
 			outputBuffer->PartitionEntry->PartitionLength.QuadPart = Extension->DiskLength;
 			outputBuffer->PartitionEntry->PartitionNumber = 1;
-			outputBuffer->PartitionEntry->HiddenSectors = 0;			
+			outputBuffer->PartitionEntry->HiddenSectors = BYTES_PER_MB / Extension->BytesPerSector;		
 
 			Irp->IoStatus.Status = STATUS_SUCCESS;
 			Irp->IoStatus.Information = sizeof (DRIVE_LAYOUT_INFORMATION);
 			if (bFullBuffer)
 			{
 				Irp->IoStatus.Information += 3*sizeof(PARTITION_INFORMATION);
 				memset (((BYTE*) Irp->AssociatedIrp.SystemBuffer) + sizeof (DRIVE_LAYOUT_INFORMATION), 0, 3*sizeof(PARTITION_INFORMATION));
 			}				
 		}
 		break;
 
 	case IOCTL_DISK_GET_DRIVE_LAYOUT_EX:
 		Dump ("ProcessVolumeDeviceControlIrp (IOCTL_DISK_GET_DRIVE_LAYOUT_EX)\n");
 		Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
 		Irp->IoStatus.Information = 0;
 		if (EnableExtendedIoctlSupport)
 		{
 			if (ValidateIOBufferSize (Irp, sizeof (DRIVE_LAYOUT_INFORMATION_EX), ValidateOutput))
 			{
 				BOOL bFullBuffer = (irpSp->Parameters.DeviceIoControl.OutputBufferLength >= (sizeof (DRIVE_LAYOUT_INFORMATION_EX) + 3*sizeof(PARTITION_INFORMATION_EX)))? TRUE : FALSE;
 				PDRIVE_LAYOUT_INFORMATION_EX outputBuffer = (PDRIVE_LAYOUT_INFORMATION_EX)
 				Irp->AssociatedIrp.SystemBuffer;
 
 				outputBuffer->PartitionCount = bFullBuffer? 4 : 1;
 				outputBuffer->PartitionStyle = PARTITION_STYLE_MBR;
 				outputBuffer->Mbr.Signature = GetCrc32((unsigned char*) &(Extension->UniqueVolumeId), 4);
 
 				outputBuffer->PartitionEntry->PartitionStyle = PARTITION_STYLE_MBR;
 				outputBuffer->PartitionEntry->Mbr.BootIndicator = FALSE;
 				outputBuffer->PartitionEntry->Mbr.RecognizedPartition = TRUE;
 				outputBuffer->PartitionEntry->RewritePartition = FALSE;
 				outputBuffer->PartitionEntry->StartingOffset.QuadPart = BYTES_PER_MB; // Set offset to 1MB to emulate the partition offset on a real MBR disk
 				outputBuffer->PartitionEntry->PartitionLength.QuadPart = Extension->DiskLength;
 				outputBuffer->PartitionEntry->PartitionNumber = 1;
-				outputBuffer->PartitionEntry->Mbr.HiddenSectors = 0;
+				outputBuffer->PartitionEntry->Mbr.HiddenSectors = BYTES_PER_MB / Extension->BytesPerSector;
 				outputBuffer->PartitionEntry->Mbr.PartitionType = Extension->PartitionType;
 
 				Irp->IoStatus.Status = STATUS_SUCCESS;
 				Irp->IoStatus.Information = sizeof (DRIVE_LAYOUT_INFORMATION_EX);
 				if (bFullBuffer)
 				{
 					Irp->IoStatus.Information += 3*sizeof(PARTITION_INFORMATION_EX);
 				}
 			}
 		}
 		break;
 
 	case IOCTL_DISK_GET_LENGTH_INFO:
 		Dump ("ProcessVolumeDeviceControlIrp (IOCTL_DISK_GET_LENGTH_INFO)\n");
 		if (!ValidateIOBufferSize (Irp, sizeof (GET_LENGTH_INFORMATION), ValidateOutput))
 		{
 			Irp->IoStatus.Status = STATUS_BUFFER_OVERFLOW;
 			Irp->IoStatus.Information = sizeof (GET_LENGTH_INFORMATION);
 		}
 		else