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ntoskrnl.exe: Handle IRP_MN_QUERY_ID for root PnP devices. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2019-06-25 21:35:16 -05:00 committed by Alexandre Julliard
parent 13e9d43127
commit 816e25c194
1 changed files with 44 additions and 0 deletions
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44
dlls/ntoskrnl.exe/pnp.c
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@ -782,6 +782,7 @@ static struct wine_rb_tree root_pnp_devices = { root_pnp_devices_rb_compare };
static NTSTATUS WINAPI pnp_manager_device_pnp( DEVICE_OBJECT *device, IRP *irp ) static NTSTATUS WINAPI pnp_manager_device_pnp( DEVICE_OBJECT *device, IRP *irp )
{ {
IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation( irp ); IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation( irp );
struct root_pnp_device *root_device = device->DeviceExtension;
TRACE("device %p, irp %p, minor function %#x.\n", device, irp, stack->MinorFunction); TRACE("device %p, irp %p, minor function %#x.\n", device, irp, stack->MinorFunction);
@ -793,6 +794,49 @@ static NTSTATUS WINAPI pnp_manager_device_pnp( DEVICE_OBJECT *device, IRP *irp )
/* Nothing to do. */ /* Nothing to do. */
irp->IoStatus.u.Status = STATUS_SUCCESS; irp->IoStatus.u.Status = STATUS_SUCCESS;
break; break;
case IRP_MN_QUERY_ID:
{
BUS_QUERY_ID_TYPE type = stack->Parameters.QueryId.IdType;
WCHAR *id, *p;
TRACE("Received IRP_MN_QUERY_ID, type %#x.\n", type);
switch (type)
{
case BusQueryDeviceID:
p = wcsrchr( root_device->id, '\\' );
if ((id = ExAllocatePool( NonPagedPool, (p - root_device->id + 1) * sizeof(WCHAR) )))
{
memcpy( id, root_device->id, (p - root_device->id) * sizeof(WCHAR) );
id[p - root_device->id] = 0;
irp->IoStatus.Information = (ULONG_PTR)id;
irp->IoStatus.u.Status = STATUS_SUCCESS;
}
else
{
irp->IoStatus.Information = 0;
irp->IoStatus.u.Status = STATUS_NO_MEMORY;
}
break;
case BusQueryInstanceID:
p = wcsrchr( root_device->id, '\\' );
if ((id = ExAllocatePool( NonPagedPool, (wcslen( p + 1 ) + 1) * sizeof(WCHAR) )))
{
wcscpy( id, p + 1 );
irp->IoStatus.Information = (ULONG_PTR)id;
irp->IoStatus.u.Status = STATUS_SUCCESS;
}
else
{
irp->IoStatus.Information = 0;
irp->IoStatus.u.Status = STATUS_NO_MEMORY;
}
break;
default:
FIXME("Unhandled IRP_MN_QUERY_ID type %#x.\n", type);
}
break;
}
default: default:
FIXME("Unhandled PnP request %#x.\n", stack->MinorFunction); FIXME("Unhandled PnP request %#x.\n", stack->MinorFunction);
} }