[cgutman] 53351: [PO] - Don't mess with the device interface string - Fixes receiving power button events - The "ACPI Shutdown" option in the VirtualBox menu works now

Author: cgutman
Date: Sun Aug 21 02:46:00 2011
New Revision: 53351

URL: http://svn.reactos.org/svn/reactos?rev=53351&view=rev
Log:
[PO]
- Don't mess with the device interface string
- Fixes receiving power button events
- The "ACPI Shutdown" option in the VirtualBox menu works now

Modified:
    trunk/reactos/ntoskrnl/po/events.c

Modified: trunk/reactos/ntoskrnl/po/events.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/po/events.c?rev=53...
==============================================================================
--- trunk/reactos/ntoskrnl/po/events.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/po/events.c [iso-8859-1] Sun Aug 21 02:46:00 2011
@@ -166,8 +166,6 @@
    BOOLEAN Arrival;
    ULONG Caps;
    NTSTATUS Status;
-	UNICODE_STRING DeviceName;
-	UNICODE_STRING DeviceNamePrefix = RTL_CONSTANT_STRING(L"\??\");

DPRINT("PopAddRemoveSysCapsCallback(%p %p)\n",
    	NotificationStructure, Context);
@@ -188,20 +186,10 @@
    {
    	DPRINT("Arrival of %wZ\n", Notification->SymbolicLinkName);

-		DeviceName.Length = 0;
-		DeviceName.MaximumLength = Notification->SymbolicLinkName->MaximumLength + DeviceNamePrefix.MaximumLength;
-		DeviceName.Buffer = ExAllocatePool(PagedPool, DeviceName.MaximumLength);
-		if (!DeviceName.Buffer) return STATUS_INSUFFICIENT_RESOURCES;
-
-		RtlCopyUnicodeString(&DeviceName, &DeviceNamePrefix);
-		RtlAppendUnicodeStringToString(&DeviceName, Notification->SymbolicLinkName);
-
-		DPRINT("Opening handle to %wZ\n", &DeviceName);
-
    	/* Open the device */
    	InitializeObjectAttributes(
    		&ObjectAttributes,
-			&DeviceName,
+			Notification->SymbolicLinkName,
    		OBJ_KERNEL_HANDLE,
    		NULL,
    		NULL);
@@ -214,7 +202,7 @@
    		0);
    	if (!NT_SUCCESS(Status))
    	{
-			DPRINT("ZwOpenFile() failed with status 0x%08lx\n", Status);
+			DPRINT1("ZwOpenFile() failed with status 0x%08lx\n", Status);
    		return Status;
    	}
    	Status = ObReferenceObjectByHandle(
@@ -226,7 +214,7 @@
    		NULL);
    	if (!NT_SUCCESS(Status))
    	{
-			DPRINT("ObReferenceObjectByHandle() failed with status 0x%08lx\n", Status);
+			DPRINT1("ObReferenceObjectByHandle() failed with status 0x%08lx\n", Status);
    		ZwClose(FileHandle);
    		return Status;
    	}
@@ -247,7 +235,7 @@
    		&IoStatusBlock);
    	if (!Irp)
    	{
-			DPRINT("IoBuildDeviceIoControlRequest() failed\n");
+			DPRINT1("IoBuildDeviceIoControlRequest() failed\n");
    		ZwClose(FileHandle);
    		return STATUS_INSUFFICIENT_RESOURCES;
    	}
@@ -260,7 +248,7 @@
    	}
    	if (!NT_SUCCESS(Status))
    	{
-			DPRINT("Sending IOCTL_GET_SYS_BUTTON_CAPS failed with status 0x%08x\n", Status);
+			DPRINT1("Sending IOCTL_GET_SYS_BUTTON_CAPS failed with status 0x%08x\n", Status);
    		ZwClose(FileHandle);
    		return STATUS_INSUFFICIENT_RESOURCES;
    	}
@@ -277,7 +265,7 @@
    	SysButtonContext = ExAllocatePool(NonPagedPool, sizeof(SYS_BUTTON_CONTEXT));
    	if (!SysButtonContext)
    	{
-			DPRINT("ExAllocatePool() failed\n");
+			DPRINT1("ExAllocatePool() failed\n");
    		ZwClose(FileHandle);
    		return STATUS_INSUFFICIENT_RESOURCES;
    	}
@@ -287,7 +275,7 @@
    	SysButtonContext->DeviceObject = DeviceObject;
    	if (!SysButtonContext->WorkItem)
    	{
-			DPRINT("IoAllocateWorkItem() failed\n");
+			DPRINT1("IoAllocateWorkItem() failed\n");
    		ZwClose(FileHandle);
    		ExFreePool(SysButtonContext);
    		return STATUS_INSUFFICIENT_RESOURCES;