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[NTFS]

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Fix user buffer handling for FSCTL_GET_NTFS_VOLUME_DATA. It fixes NTFSInfo.
We're just lacking a few information in the output data now

CORE-8725

svn path=/trunk/; revision=68327
This commit is contained in:
Pierre Schweitzer 2015-06-30 21:24:03 +00:00
parent 1c3c66afa4
commit edae2b9bfb
1 changed files with 4 additions and 1 deletions
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5
reactos/drivers/filesystems/ntfs/fsctl.c
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@ -569,7 +569,7 @@ GetNfsVolumeData(PDEVICE_EXTENSION DeviceExt,
PNTFS_VOLUME_DATA_BUFFER DataBuffer;
PNTFS_ATTR_RECORD Attribute;
DataBuffer = (PNTFS_VOLUME_DATA_BUFFER)Irp->UserBuffer;
DataBuffer = (PNTFS_VOLUME_DATA_BUFFER)Irp->AssociatedIrp.SystemBuffer;
Stack = IoGetCurrentIrpStackLocation(Irp);
if (Stack->Parameters.FileSystemControl.OutputBufferLength < sizeof(NTFS_VOLUME_DATA_BUFFER) ||
@ -608,6 +608,8 @@ GetNfsVolumeData(PDEVICE_EXTENSION DeviceExt,
Attribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)Attribute + Attribute->Length);
}
Irp->IoStatus.Information = sizeof(NTFS_VOLUME_DATA_BUFFER);
if (Stack->Parameters.FileSystemControl.OutputBufferLength >= sizeof(NTFS_EXTENDED_VOLUME_DATA) + sizeof(NTFS_VOLUME_DATA_BUFFER))
{
PNTFS_EXTENDED_VOLUME_DATA ExtendedData = (PNTFS_EXTENDED_VOLUME_DATA)((ULONG_PTR)Irp->UserBuffer + sizeof(NTFS_VOLUME_DATA_BUFFER));
@ -615,6 +617,7 @@ GetNfsVolumeData(PDEVICE_EXTENSION DeviceExt,
ExtendedData->ByteCount = sizeof(NTFS_EXTENDED_VOLUME_DATA);
ExtendedData->MajorVersion = DeviceExt->NtfsInfo.MajorVersion;
ExtendedData->MinorVersion = DeviceExt->NtfsInfo.MinorVersion;
Irp->IoStatus.Information += sizeof(NTFS_EXTENDED_VOLUME_DATA);
}
return STATUS_SUCCESS;