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sys: RelatedFileObject: testing

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This commit is contained in:
Bill Zissimopoulos
2016-01-21 17:34:50 -08:00
parent f98ce856b3
commit 56c6b5287f
3 changed files with 63 additions and 2 deletions
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5
src/sys/create.c
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@ -98,7 +98,8 @@ static NTSTATUS FspFsvolCreate(
UNICODE_STRING FileName = FileObject->FileName;
/* open the volume object? */
if ((0 == RelatedFileObject || RelatedFileObject->FsContext) && 0 == FileName.Length)
if ((0 == RelatedFileObject || !FspFileNodeIsValid(RelatedFileObject->FsContext)) &&
0 == FileName.Length)
{
if (0 != FsvolDeviceExtension->FsvrtDeviceObject)
#pragma prefast(disable:28175, "We are a filesystem: ok to access Vpb")
@ -262,7 +263,7 @@ static NTSTATUS FspFsvolCreate(
ASSERT(NT_SUCCESS(Result));
/* check and remove any volume prefix */
if (0 < FsvolDeviceExtension->VolumePrefix.Length)
if (0 == RelatedFileObject && 0 < FsvolDeviceExtension->VolumePrefix.Length)
{
if (FileNode->FileName.Length <= FsvolDeviceExtension->VolumePrefix.Length ||
!RtlEqualMemory(FileNode->FileName.Buffer, FsvolDeviceExtension->VolumePrefix.Buffer,