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Windows driver: fix IOCTL_DISK_GET_DRIVE_LAYOUT and IOCTL_DISK_GET_DRIVE_LAYOUT_EX output by using setting PartitionCount to 4 instead of 1 since this field must always be a multiple of 4 for MBR disks.

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This commit is contained in:
Mounir IDRASSI
2017-07-20 16:20:43 +02:00
parent 5a9409a3af
commit ac77142949
1 changed files with 2 additions and 2 deletions
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4
src/Driver/Ntdriver.c
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@@ -959,7 +959,7 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
PDRIVE_LAYOUT_INFORMATION outputBuffer = (PDRIVE_LAYOUT_INFORMATION)
Irp->AssociatedIrp.SystemBuffer;
outputBuffer->PartitionCount = 1;
outputBuffer->PartitionCount = 4;
outputBuffer->Signature = GetCrc32((unsigned char*) &(Extension->UniqueVolumeId), 4);
outputBuffer->PartitionEntry->PartitionType = Extension->PartitionType;
@@ -983,7 +983,7 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION
PDRIVE_LAYOUT_INFORMATION_EX outputBuffer = (PDRIVE_LAYOUT_INFORMATION_EX)
Irp->AssociatedIrp.SystemBuffer;
outputBuffer->PartitionCount = 1;
outputBuffer->PartitionCount = 4;
outputBuffer->PartitionStyle = PARTITION_STYLE_MBR;
outputBuffer->Mbr.Signature = GetCrc32((unsigned char*) &(Extension->UniqueVolumeId), 4);