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/*******************************************************************************

 *

 * Module Name: utdelete - object deletion and reference count utilities

 *

 ******************************************************************************/

/******************************************************************************

 *

 * 1. Copyright Notice

 *

 * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.

 * All rights reserved.

 *

 * 2. License

 *

 * 2.1. This is your license from Intel Corp. under its intellectual property

 * rights.  You may have additional license terms from the party that provided

 * you this software, covering your right to use that party's intellectual

 * property rights.

 *

 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a

 * copy of the source code appearing in this file ("Covered Code") an

 * irrevocable, perpetual, worldwide license under Intel's copyrights in the

 * base code distributed originally by Intel ("Original Intel Code") to copy,

 * make derivatives, distribute, use and display any portion of the Covered

 * Code in any form, with the right to sublicense such rights; and

 *

 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent

 * license (with the right to sublicense), under only those claims of Intel

 * patents that are infringed by the Original Intel Code, to make, use, sell,

 * offer to sell, and import the Covered Code and derivative works thereof

 * solely to the minimum extent necessary to exercise the above copyright

 * license, and in no event shall the patent license extend to any additions

 * to or modifications of the Original Intel Code.  No other license or right

 * is granted directly or by implication, estoppel or otherwise;

 *

 * The above copyright and patent license is granted only if the following

 * conditions are met:

 *

 * 3. Conditions

 *

 * 3.1. Redistribution of Source with Rights to Further Distribute Source.

 * Redistribution of source code of any substantial portion of the Covered

 * Code or modification with rights to further distribute source must include

 * the above Copyright Notice, the above License, this list of Conditions,

 * and the following Disclaimer and Export Compliance provision.  In addition,

 * Licensee must cause all Covered Code to which Licensee contributes to

 * contain a file documenting the changes Licensee made to create that Covered

 * Code and the date of any change.  Licensee must include in that file the

 * documentation of any changes made by any predecessor Licensee.  Licensee

 * must include a prominent statement that the modification is derived,

 * directly or indirectly, from Original Intel Code.

 *

 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.

 * Redistribution of source code of any substantial portion of the Covered

 * Code or modification without rights to further distribute source must

 * include the following Disclaimer and Export Compliance provision in the

 * documentation and/or other materials provided with distribution.  In

 * addition, Licensee may not authorize further sublicense of source of any

 * portion of the Covered Code, and must include terms to the effect that the

 * license from Licensee to its licensee is limited to the intellectual

 * property embodied in the software Licensee provides to its licensee, and

 * not to intellectual property embodied in modifications its licensee may

 * make.

 *

 * 3.3. Redistribution of Executable. Redistribution in executable form of any

 * substantial portion of the Covered Code or modification must reproduce the

 * above Copyright Notice, and the following Disclaimer and Export Compliance

 * provision in the documentation and/or other materials provided with the

 * distribution.

 *

 * 3.4. Intel retains all right, title, and interest in and to the Original

 * Intel Code.

 *

 * 3.5. Neither the name Intel nor any other trademark owned or controlled by

 * Intel shall be used in advertising or otherwise to promote the sale, use or

 * other dealings in products derived from or relating to the Covered Code

 * without prior written authorization from Intel.

 *

 * 4. Disclaimer and Export Compliance

 *

 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED

 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE

 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,

 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY

 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY

 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A

 * PARTICULAR PURPOSE.

 *

 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES

 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR

 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,

 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY

 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL

 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS

 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY

 * LIMITED REMEDY.

 *

 * 4.3. Licensee shall not export, either directly or indirectly, any of this

 * software or system incorporating such software without first obtaining any

 * required license or other approval from the U. S. Department of Commerce or

 * any other agency or department of the United States Government.  In the

 * event Licensee exports any such software from the United States or

 * re-exports any such software from a foreign destination, Licensee shall

 * ensure that the distribution and export/re-export of the software is in

 * compliance with all laws, regulations, orders, or other restrictions of the

 * U.S. Export Administration Regulations. Licensee agrees that neither it nor

 * any of its subsidiaries will export/re-export any technical data, process,

 * software, or service, directly or indirectly, to any country for which the

 * United States government or any agency thereof requires an export license,

 * other governmental approval, or letter of assurance, without first obtaining

 * such license, approval or letter.

 *

 *****************************************************************************/

#define __UTDELETE_C__

#include "acpi.h"

#include "accommon.h"

#include "acinterp.h"

#include "acnamesp.h"

#include "acevents.h"

#define _COMPONENT          ACPI_UTILITIES

        ACPI_MODULE_NAME    ("utdelete")

/* Local prototypes */

static void

AcpiUtDeleteInternalObj (

    ACPI_OPERAND_OBJECT     *Object);

static void

AcpiUtUpdateRefCount (

    ACPI_OPERAND_OBJECT     *Object,

    UINT32                  Action);

/*******************************************************************************

 *

 * FUNCTION:    AcpiUtDeleteInternalObj

 *

 * PARAMETERS:  Object         - Object to be deleted

 *

 * RETURN:      None

 *

 * DESCRIPTION: Low level object deletion, after reference counts have been

 *              updated (All reference counts, including sub-objects!)

 *

 ******************************************************************************/

static void

AcpiUtDeleteInternalObj (

    ACPI_OPERAND_OBJECT     *Object)

{

    void                    *ObjPointer = NULL;

    ACPI_OPERAND_OBJECT     *HandlerDesc;

    ACPI_OPERAND_OBJECT     *SecondDesc;

    ACPI_OPERAND_OBJECT     *NextDesc;

    ACPI_OPERAND_OBJECT     **LastObjPtr;

    ACPI_FUNCTION_TRACE_PTR (UtDeleteInternalObj, Object);

    if (!Object)

    {

        return_VOID;

    }

    /*

     * Must delete or free any pointers within the object that are not

     * actual ACPI objects (for example, a raw buffer pointer).

     */

    switch (Object->Common.Type)

    {

    case ACPI_TYPE_STRING:

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** String %p, ptr %p\n",

            Object, Object->String.Pointer));

        /* Free the actual string buffer */

        if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER))

        {

            /* But only if it is NOT a pointer into an ACPI table */

            ObjPointer = Object->String.Pointer;

        }

        break;

    case ACPI_TYPE_BUFFER:

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** Buffer %p, ptr %p\n",

            Object, Object->Buffer.Pointer));

        /* Free the actual buffer */

        if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER))

        {

            /* But only if it is NOT a pointer into an ACPI table */

            ObjPointer = Object->Buffer.Pointer;

        }

        break;

    case ACPI_TYPE_PACKAGE:

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, " **** Package of count %X\n",

            Object->Package.Count));

        /*

         * Elements of the package are not handled here, they are deleted

         * separately

         */

        /* Free the (variable length) element pointer array */

        ObjPointer = Object->Package.Elements;

        break;

    /*

     * These objects have a possible list of notify handlers.

     * Device object also may have a GPE block.

     */

    case ACPI_TYPE_DEVICE:

        if (Object->Device.GpeBlock)

        {

            (void) AcpiEvDeleteGpeBlock (Object->Device.GpeBlock);

        }

        /*lint -fallthrough */

    case ACPI_TYPE_PROCESSOR:

    case ACPI_TYPE_THERMAL:

        /* Walk the notify handler list for this object */

        HandlerDesc = Object->CommonNotify.Handler;

        while (HandlerDesc)

        {

            NextDesc = HandlerDesc->AddressSpace.Next;

            AcpiUtRemoveReference (HandlerDesc);

            HandlerDesc = NextDesc;

        }

        break;

    case ACPI_TYPE_MUTEX:

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

            "***** Mutex %p, OS Mutex %p\n",

            Object, Object->Mutex.OsMutex));

        if (Object == AcpiGbl_GlobalLockMutex)

        {

            /* Global Lock has extra semaphore */

            (void) AcpiOsDeleteSemaphore (AcpiGbl_GlobalLockSemaphore);

            AcpiGbl_GlobalLockSemaphore = NULL;

            AcpiOsDeleteMutex (Object->Mutex.OsMutex);

            AcpiGbl_GlobalLockMutex = NULL;

        }

        else

        {

            AcpiExUnlinkMutex (Object);

            AcpiOsDeleteMutex (Object->Mutex.OsMutex);

        }

        break;

    case ACPI_TYPE_EVENT:

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

            "***** Event %p, OS Semaphore %p\n",

            Object, Object->Event.OsSemaphore));

        (void) AcpiOsDeleteSemaphore (Object->Event.OsSemaphore);

        Object->Event.OsSemaphore = NULL;

        break;

    case ACPI_TYPE_METHOD:

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

            "***** Method %p\n", Object));

        /* Delete the method mutex if it exists */

        if (Object->Method.Mutex)

        {

            AcpiOsDeleteMutex (Object->Method.Mutex->Mutex.OsMutex);

            AcpiUtDeleteObjectDesc (Object->Method.Mutex);

            Object->Method.Mutex = NULL;

        }

        break;

    case ACPI_TYPE_REGION:

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

            "***** Region %p\n", Object));

        SecondDesc = AcpiNsGetSecondaryObject (Object);

        if (SecondDesc)

        {

            /*

             * Free the RegionContext if and only if the handler is one of the

             * default handlers -- and therefore, we created the context object

             * locally, it was not created by an external caller.

             */

            HandlerDesc = Object->Region.Handler;

            if (HandlerDesc)

            {

                NextDesc = HandlerDesc->AddressSpace.RegionList;

                LastObjPtr = &HandlerDesc->AddressSpace.RegionList;

                /* Remove the region object from the handler's list */

                while (NextDesc)

                {

                    if (NextDesc == Object)

                    {

                        *LastObjPtr = NextDesc->Region.Next;

                        break;

                    }

                    /* Walk the linked list of handler */

                    LastObjPtr = &NextDesc->Region.Next;

                    NextDesc = NextDesc->Region.Next;

                }

                if (HandlerDesc->AddressSpace.HandlerFlags &

                    ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)

                {

                    /* Deactivate region and free region context */

                    if (HandlerDesc->AddressSpace.Setup)

                    {

                        (void) HandlerDesc->AddressSpace.Setup (Object,

                            ACPI_REGION_DEACTIVATE,

                            HandlerDesc->AddressSpace.Context,

                            &SecondDesc->Extra.RegionContext);

                    }

                }

                AcpiUtRemoveReference (HandlerDesc);

            }

            /* Now we can free the Extra object */

            AcpiUtDeleteObjectDesc (SecondDesc);

        }

        break;

    case ACPI_TYPE_BUFFER_FIELD:

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

            "***** Buffer Field %p\n", Object));

        SecondDesc = AcpiNsGetSecondaryObject (Object);

        if (SecondDesc)

        {

            AcpiUtDeleteObjectDesc (SecondDesc);

        }

        break;

    case ACPI_TYPE_LOCAL_BANK_FIELD:

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

            "***** Bank Field %p\n", Object));

        SecondDesc = AcpiNsGetSecondaryObject (Object);

        if (SecondDesc)

        {

            AcpiUtDeleteObjectDesc (SecondDesc);

        }

        break;

    default:

        break;

    }

    /* Free any allocated memory (pointer within the object) found above */

    if (ObjPointer)

    {

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object Subptr %p\n",

            ObjPointer));

        ACPI_FREE (ObjPointer);

    }

    /* Now the object can be safely deleted */

    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object %p [%s]\n",

        Object, AcpiUtGetObjectTypeName (Object)));

    AcpiUtDeleteObjectDesc (Object);

    return_VOID;

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiUtDeleteInternalObjectList

 *

 * PARAMETERS:  ObjList         - Pointer to the list to be deleted

 *

 * RETURN:      None

 *

 * DESCRIPTION: This function deletes an internal object list, including both

 *              simple objects and package objects

 *

 ******************************************************************************/

void

AcpiUtDeleteInternalObjectList (

    ACPI_OPERAND_OBJECT     **ObjList)

{

    ACPI_OPERAND_OBJECT     **InternalObj;

    ACPI_FUNCTION_TRACE (UtDeleteInternalObjectList);

    /* Walk the null-terminated internal list */

    for (InternalObj = ObjList; *InternalObj; InternalObj++)

    {

        AcpiUtRemoveReference (*InternalObj);

    }

    /* Free the combined parameter pointer list and object array */

    ACPI_FREE (ObjList);

    return_VOID;

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiUtUpdateRefCount

 *

 * PARAMETERS:  Object          - Object whose ref count is to be updated

 *              Action          - What to do

 *

 * RETURN:      New ref count

 *

 * DESCRIPTION: Modify the ref count and return it.

 *

 ******************************************************************************/

static void

AcpiUtUpdateRefCount (

    ACPI_OPERAND_OBJECT     *Object,

    UINT32                  Action)

{

    UINT16                  Count;

    UINT16                  NewCount;

    ACPI_FUNCTION_NAME (UtUpdateRefCount);

    if (!Object)

    {

        return;

    }

    Count = Object->Common.ReferenceCount;

    NewCount = Count;

    /*

     * Perform the reference count action (increment, decrement, force delete)

     */

    switch (Action)

    {

    case REF_INCREMENT:

        NewCount++;

        Object->Common.ReferenceCount = NewCount;

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

            "Obj %p Refs=%X, [Incremented]\n",

            Object, NewCount));

        break;

    case REF_DECREMENT:

        if (Count < 1)

        {

            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

                "Obj %p Refs=%X, can't decrement! (Set to 0)\n",

                Object, NewCount));

            NewCount = 0;

        }

        else

        {

            NewCount--;

            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

                "Obj %p Refs=%X, [Decremented]\n",

                Object, NewCount));

        }

        if (Object->Common.Type == ACPI_TYPE_METHOD)

        {

            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

                "Method Obj %p Refs=%X, [Decremented]\n", Object, NewCount));

        }

        Object->Common.ReferenceCount = NewCount;

        if (NewCount == 0)

        {

            AcpiUtDeleteInternalObj (Object);

        }

        break;

    case REF_FORCE_DELETE:

        ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

            "Obj %p Refs=%X, Force delete! (Set to 0)\n", Object, Count));

        NewCount = 0;

        Object->Common.ReferenceCount = NewCount;

        AcpiUtDeleteInternalObj (Object);

        break;

    default:

        ACPI_ERROR ((AE_INFO, "Unknown action (0x%X)", Action));

        break;

    }

    /*

     * Sanity check the reference count, for debug purposes only.

     * (A deleted object will have a huge reference count)

     */

    if (Count > ACPI_MAX_REFERENCE_COUNT)

    {

        ACPI_WARNING ((AE_INFO,

            "Large Reference Count (0x%X) in object %p", Count, Object));

    }

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiUtUpdateObjectReference

 *

 * PARAMETERS:  Object              - Increment ref count for this object

 *                                    and all sub-objects

 *              Action              - Either REF_INCREMENT or REF_DECREMENT or

 *                                    REF_FORCE_DELETE

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Increment the object reference count

 *

 * Object references are incremented when:

 * 1) An object is attached to a Node (namespace object)

 * 2) An object is copied (all subobjects must be incremented)

 *

 * Object references are decremented when:

 * 1) An object is detached from an Node

 *

 ******************************************************************************/

ACPI_STATUS

AcpiUtUpdateObjectReference (

    ACPI_OPERAND_OBJECT     *Object,

    UINT16                  Action)

{

    ACPI_STATUS             Status = AE_OK;

    ACPI_GENERIC_STATE      *StateList = NULL;

    ACPI_OPERAND_OBJECT     *NextObject = NULL;

    ACPI_GENERIC_STATE      *State;

    UINT32                  i;

    ACPI_FUNCTION_TRACE_PTR (UtUpdateObjectReference, Object);

    while (Object)

    {

        /* Make sure that this isn't a namespace handle */

        if (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED)

        {

            ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

                "Object %p is NS handle\n", Object));

            return_ACPI_STATUS (AE_OK);

        }

        /*

         * All sub-objects must have their reference count incremented also.

         * Different object types have different subobjects.

         */

        switch (Object->Common.Type)

        {

        case ACPI_TYPE_DEVICE:

        case ACPI_TYPE_PROCESSOR:

        case ACPI_TYPE_POWER:

        case ACPI_TYPE_THERMAL:

            /* Update the notify objects for these types (if present) */

            AcpiUtUpdateRefCount (Object->CommonNotify.SystemNotify, Action);

            AcpiUtUpdateRefCount (Object->CommonNotify.DeviceNotify, Action);

            break;

        case ACPI_TYPE_PACKAGE:

            /*

             * We must update all the sub-objects of the package,

             * each of whom may have their own sub-objects.

             */

            for (i = 0; i < Object->Package.Count; i++)

            {

                /*

                 * Push each element onto the stack for later processing.

                 * Note: There can be null elements within the package,

                 * these are simply ignored

                 */

                Status = AcpiUtCreateUpdateStateAndPush (

                            Object->Package.Elements[i], Action, &StateList);

                if (ACPI_FAILURE (Status))

                {

                    goto ErrorExit;

                }

            }

            break;

        case ACPI_TYPE_BUFFER_FIELD:

            NextObject = Object->BufferField.BufferObj;

            break;

        case ACPI_TYPE_LOCAL_REGION_FIELD:

            NextObject = Object->Field.RegionObj;

            break;

        case ACPI_TYPE_LOCAL_BANK_FIELD:

            NextObject = Object->BankField.BankObj;

            Status = AcpiUtCreateUpdateStateAndPush (

                        Object->BankField.RegionObj, Action, &StateList);

            if (ACPI_FAILURE (Status))

            {

                goto ErrorExit;

            }

            break;

        case ACPI_TYPE_LOCAL_INDEX_FIELD:

            NextObject = Object->IndexField.IndexObj;

            Status = AcpiUtCreateUpdateStateAndPush (

                        Object->IndexField.DataObj, Action, &StateList);

            if (ACPI_FAILURE (Status))

            {

                goto ErrorExit;

            }

            break;

        case ACPI_TYPE_LOCAL_REFERENCE:

            /*

             * The target of an Index (a package, string, or buffer) or a named

             * reference must track changes to the ref count of the index or

             * target object.

             */

            if ((Object->Reference.Class == ACPI_REFCLASS_INDEX) ||

                (Object->Reference.Class== ACPI_REFCLASS_NAME))

            {

                NextObject = Object->Reference.Object;

            }

            break;

        case ACPI_TYPE_REGION:

        default:

            break; /* No subobjects for all other types */

        }

        /*

         * Now we can update the count in the main object. This can only

         * happen after we update the sub-objects in case this causes the

         * main object to be deleted.

         */

        AcpiUtUpdateRefCount (Object, Action);

        Object = NULL;

        /* Move on to the next object to be updated */

        if (NextObject)

        {

            Object = NextObject;

            NextObject = NULL;

        }

        else if (StateList)

        {

            State = AcpiUtPopGenericState (&StateList);

            Object = State->Update.Object;

            AcpiUtDeleteGenericState (State);

        }

    }

    return_ACPI_STATUS (AE_OK);

ErrorExit:

    ACPI_EXCEPTION ((AE_INFO, Status,

        "Could not update object reference count"));

    /* Free any stacked Update State objects */

    while (StateList)

    {

        State = AcpiUtPopGenericState (&StateList);

        AcpiUtDeleteGenericState (State);

    }

    return_ACPI_STATUS (Status);

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiUtAddReference

 *

 * PARAMETERS:  Object          - Object whose reference count is to be

 *                                incremented

 *

 * RETURN:      None

 *

 * DESCRIPTION: Add one reference to an ACPI object

 *

 ******************************************************************************/

void

AcpiUtAddReference (

    ACPI_OPERAND_OBJECT     *Object)

{

    ACPI_FUNCTION_TRACE_PTR (UtAddReference, Object);

    /* Ensure that we have a valid object */

    if (!AcpiUtValidInternalObject (Object))

    {

        return_VOID;

    }

    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

        "Obj %p Current Refs=%X [To Be Incremented]\n",

        Object, Object->Common.ReferenceCount));

    /* Increment the reference count */

    (void) AcpiUtUpdateObjectReference (Object, REF_INCREMENT);

    return_VOID;

}

/*******************************************************************************

 *

 * FUNCTION:    AcpiUtRemoveReference

 *

 * PARAMETERS:  Object         - Object whose ref count will be decremented

 *

 * RETURN:      None

 *

 * DESCRIPTION: Decrement the reference count of an ACPI internal object

 *

 ******************************************************************************/

void

AcpiUtRemoveReference (

    ACPI_OPERAND_OBJECT     *Object)

{

    ACPI_FUNCTION_TRACE_PTR (UtRemoveReference, Object);

    /*

     * Allow a NULL pointer to be passed in, just ignore it. This saves

     * each caller from having to check. Also, ignore NS nodes.

     *

     */

    if (!Object ||

        (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED))

    {

        return_VOID;

    }

    /* Ensure that we have a valid object */

    if (!AcpiUtValidInternalObject (Object))

    {

        return_VOID;

    }

    ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,

        "Obj %p Current Refs=%X [To Be Decremented]\n",

        Object, Object->Common.ReferenceCount));

    /*

     * Decrement the reference count, and only actually delete the object

     * if the reference count becomes 0. (Must also decrement the ref count

     * of all subobjects!)

     */

    (void) AcpiUtUpdateObjectReference (Object, REF_DECREMENT);

    return_VOID;

}