Zebediah Figura : ntoskrnl.exe: Handle IRP_MN_QUERY_ID for root PnP devices.
Alexandre Julliard
julliard at winehq.org
Wed Jun 26 16:15:40 CDT 2019
Module: wine
Branch: master
Commit: 816e25c1949a6d0bc6c98e599923768eba9e91b2
URL: https://source.winehq.org/git/wine.git/?a=commit;h=816e25c1949a6d0bc6c98e599923768eba9e91b2
Author: Zebediah Figura <z.figura12 at gmail.com>
Date: Tue Jun 25 21:35:16 2019 -0500
ntoskrnl.exe: Handle IRP_MN_QUERY_ID for root PnP devices.
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntoskrnl.exe/pnp.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/dlls/ntoskrnl.exe/pnp.c b/dlls/ntoskrnl.exe/pnp.c
index 90da2b7..f531527 100644
--- a/dlls/ntoskrnl.exe/pnp.c
+++ b/dlls/ntoskrnl.exe/pnp.c
@@ -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 )
{
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);
@@ -793,6 +794,49 @@ static NTSTATUS WINAPI pnp_manager_device_pnp( DEVICE_OBJECT *device, IRP *irp )
/* Nothing to do. */
irp->IoStatus.u.Status = STATUS_SUCCESS;
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:
FIXME("Unhandled PnP request %#x.\n", stack->MinorFunction);
}
More information about the wine-cvs
mailing list