[pschweitzer] 75782: [NTOSKRNL] In IoReportDetectedDevice(), don't attempt to guess service name, use the one provided in DriverObject. This fixes BtrFS file system driver initialization. Patch by ...

Author: pschweitzer
Date: Thu Sep  7 21:23:19 2017
New Revision: 75782

URL: http://svn.reactos.org/svn/reactos?rev=75782&view=rev
Log:
[NTOSKRNL]
In IoReportDetectedDevice(), don't attempt to guess service name, use the one provided
in DriverObject.
This fixes BtrFS file system driver initialization.
Patch by Thomas Faber.

CORE-13763

Modified:
    trunk/reactos/ntoskrnl/io/pnpmgr/pnpreport.c

Modified: trunk/reactos/ntoskrnl/io/pnpmgr/pnpreport.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/io/pnpmgr/pnprepo…
==============================================================================
--- trunk/reactos/ntoskrnl/io/pnpmgr/pnpreport.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/io/pnpmgr/pnpreport.c	[iso-8859-1] Thu Sep  7 21:23:19 2017
@@ -181,12 +181,7 @@
     DPRINT("IoReportDetectedDevice (DeviceObject %p, *DeviceObject %p)\n",
       DeviceObject, DeviceObject ? *DeviceObject : NULL);
 
-    /* Create the service name (eg. ACPI_HAL) */
-    ServiceName.Buffer = DriverObject->DriverName.Buffer +
-       sizeof(DRIVER_ROOT_NAME) / sizeof(WCHAR) - 1;
-    ServiceName.Length = DriverObject->DriverName.Length -
-       sizeof(DRIVER_ROOT_NAME) + sizeof(WCHAR);
-    ServiceName.MaximumLength = ServiceName.Length;
+    ServiceName = DriverObject->DriverExtension->ServiceKeyName;
 
     /* If the interface type is unknown, treat it as internal */
     if (LegacyBusType == InterfaceTypeUndefined)