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ZwReadFile was using Write member of Irp union.

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ZwReadFile now returns correct status

svn path=/trunk/; revision=35
This commit is contained in:
Rex Jolliff 1998-09-13 01:17:05 +00:00
parent ca01965c67
commit 153b0ad928
1 changed files with 14 additions and 10 deletions
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24
reactos/ntoskrnl/io/rw.c
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@ -16,7 +16,7 @@
#include <internal/string.h>
#include <internal/objmgr.h>
//#define NDEBUG
#define NDEBUG
#include <internal/debug.h>
#ifndef NDEBUG
@ -87,24 +87,24 @@ NTSTATUS ZwReadFile(HANDLE FileHandle,
StackPtr->Control = 0;
StackPtr->DeviceObject = FileObject->DeviceObject;
StackPtr->FileObject = FileObject;
StackPtr->Parameters.Write.Length = Length;
StackPtr->Parameters.Read.Length = Length;
if (ByteOffset!=NULL)
{
StackPtr->Parameters.Write.ByteOffset.LowPart = ByteOffset->LowPart;
StackPtr->Parameters.Write.ByteOffset.HighPart = ByteOffset->HighPart;
StackPtr->Parameters.Read.ByteOffset.LowPart = ByteOffset->LowPart;
StackPtr->Parameters.Read.ByteOffset.HighPart = ByteOffset->HighPart;
}
else
{
StackPtr->Parameters.Write.ByteOffset.LowPart = 0;
StackPtr->Parameters.Write.ByteOffset.HighPart = 0;
StackPtr->Parameters.Read.ByteOffset.LowPart = 0;
StackPtr->Parameters.Read.ByteOffset.HighPart = 0;
}
if (Key!=NULL)
{
StackPtr->Parameters.Write.Key = *Key;
StackPtr->Parameters.Read.Key = *Key;
}
else
{
StackPtr->Parameters.Write.Key = 0;
StackPtr->Parameters.Read.Key = 0;
}
DPRINT("FileObject->DeviceObject %x\n",FileObject->DeviceObject);
@ -112,9 +112,13 @@ NTSTATUS ZwReadFile(HANDLE FileHandle,
if (NT_SUCCESS(Status))
{
KeWaitForSingleObject(&Event,Executive,KernelMode,FALSE,NULL);
if (FileObject->DeviceObject->Flags&DO_BUFFERED_IO)
Status = Irp->IoStatus.Status;
if (NT_SUCCESS(Status))
{
memcpy(Buffer,Irp->AssociatedIrp.SystemBuffer,Length);
if (FileObject->DeviceObject->Flags&DO_BUFFERED_IO)
{
memcpy(Buffer,Irp->AssociatedIrp.SystemBuffer,Length);
}
}
}
return(Status);