From 839baba4aedb27ae2a09c26a71246b2bfb6ba1b5 Mon Sep 17 00:00:00 2001
From: Eric Kohl <eric.kohl@reactos.org>
Date: Fri, 11 Jun 2004 09:33:42 +0000
Subject: [PATCH] The root bus driver should return an empty resource list on
 IRP_MN_QUERY_RESOURCES.

svn path=/trunk/; revision=9655
---
 reactos/ntoskrnl/io/pnproot.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/reactos/ntoskrnl/io/pnproot.c b/reactos/ntoskrnl/io/pnproot.c
index 492cd9f68bc..56323e45206 100644
--- a/reactos/ntoskrnl/io/pnproot.c
+++ b/reactos/ntoskrnl/io/pnproot.c
@@ -1,4 +1,4 @@
-/* $Id: pnproot.c,v 1.20 2004/01/05 14:28:20 weiden Exp $
+/* $Id: pnproot.c,v 1.21 2004/06/11 09:33:42 ekohl Exp $
  *
  * COPYRIGHT:      See COPYING in the top level directory
  * PROJECT:        ReactOS kernel
@@ -247,6 +247,26 @@ PdoQueryId(
 }
 
 
+NTSTATUS
+PdoQueryResources(
+  IN PDEVICE_OBJECT DeviceObject,
+  IN PIRP Irp,
+  PIO_STACK_LOCATION IrpSp)
+{
+  PCM_RESOURCE_LIST ResourceList;
+
+  ResourceList = ExAllocatePool(PagedPool, sizeof(CM_RESOURCE_LIST));
+  if (ResourceList == NULL)
+    return STATUS_INSUFFICIENT_RESOURCES;
+
+  ResourceList->Count = 0;
+
+  Irp->IoStatus.Information = (ULONG_PTR)ResourceList;
+
+  return STATUS_SUCCESS;
+}
+
+
 NTSTATUS
 PnpRootPdoPnpControl(
   PDEVICE_OBJECT DeviceObject,
@@ -308,10 +328,13 @@ PnpRootPdoPnpControl(
 
   case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
     break;
+#endif
 
   case IRP_MN_QUERY_RESOURCES:
+    Status = PdoQueryResources(DeviceObject, Irp, IrpSp);
     break;
 
+#if 0
   case IRP_MN_QUERY_STOP_DEVICE:
     break;
 
@@ -368,6 +391,7 @@ PnpRootPdoPowerControl(
   switch (IrpSp->MinorFunction) {
   default:
     DPRINT("Unknown IOCTL 0x%X\n", IrpSp->MinorFunction);
+    Status = STATUS_NOT_IMPLEMENTED;
     break;
   }