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Correctly support USB hubs

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svn path=/trunk/; revision=21908
This commit is contained in:
Hervé Poussineau
2006-05-15 16:05:02 +00:00
parent f53dbb4e60
commit 1d77bcb312
1 changed files with 22 additions and 1 deletions
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reactos/drivers/usb/usbhub/pdo.c
+22 -1
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@@ -29,6 +29,28 @@ UsbhubDeviceControlPdo(
switch (Stack->Parameters.DeviceIoControl.IoControlCode)
{
case IOCTL_INTERNAL_USB_GET_ROOT_USB_DEVICE:
{
PHUB_DEVICE_EXTENSION DeviceExtension;
DPRINT("Usbhub: IOCTL_INTERNAL_USB_GET_ROOT_USB_DEVICE\n");
if (Irp->AssociatedIrp.SystemBuffer == NULL
|| Stack->Parameters.DeviceIoControl.OutputBufferLength != sizeof(PVOID))
{
Status = STATUS_INVALID_PARAMETER;
}
else
{
PVOID* pHubPointer;
DeviceExtension = (PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
pHubPointer = (PVOID*)Irp->AssociatedIrp.SystemBuffer;
*pHubPointer = DeviceExtension->dev;
Information = sizeof(PVOID);
Status = STATUS_SUCCESS;
}
break;
}
default:
{
DPRINT1("Usbhub: Unknown IOCTL code 0x%lx\n", Stack->Parameters.DeviceIoControl.IoControlCode);
@@ -52,7 +74,6 @@ UsbhubPdoStartDevice(
NTSTATUS Status;
DeviceExtension = (PHUB_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
DbgBreakPoint();
/* Register and activate device interface */
Status = IoRegisterDeviceInterface(