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Diffstat (limited to 'sys/contrib/dev/acpica/nsxfname.c')
-rw-r--r--sys/contrib/dev/acpica/nsxfname.c64
1 files changed, 34 insertions, 30 deletions
diff --git a/sys/contrib/dev/acpica/nsxfname.c b/sys/contrib/dev/acpica/nsxfname.c
index 38599ad3b2d3..788584938d75 100644
--- a/sys/contrib/dev/acpica/nsxfname.c
+++ b/sys/contrib/dev/acpica/nsxfname.c
@@ -2,7 +2,7 @@
*
* Module Name: nsxfname - Public interfaces to the ACPI subsystem
* ACPI Namespace oriented interfaces
- * $Revision: 101 $
+ * $Revision: 1.104 $
*
*****************************************************************************/
@@ -10,7 +10,7 @@
*
* 1. Copyright Notice
*
- * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
* All rights reserved.
*
* 2. License
@@ -130,9 +130,9 @@
* FUNCTION: AcpiGetHandle
*
* PARAMETERS: Parent - Object to search under (search scope).
- * PathName - Pointer to an asciiz string containing the
- * name
- * RetHandle - Where the return handle is placed
+ * Pathname - Pointer to an asciiz string containing the
+ * name
+ * RetHandle - Where the return handle is returned
*
* RETURN: Status
*
@@ -304,7 +304,7 @@ UnlockAndExit:
* FUNCTION: AcpiGetObjectInfo
*
* PARAMETERS: Handle - Object Handle
- * Info - Where the info is returned
+ * Buffer - Where the info is returned
*
* RETURN: Status
*
@@ -321,7 +321,7 @@ AcpiGetObjectInfo (
{
ACPI_STATUS Status;
ACPI_NAMESPACE_NODE *Node;
- ACPI_DEVICE_INFO Info;
+ ACPI_DEVICE_INFO *Info;
ACPI_DEVICE_INFO *ReturnInfo;
ACPI_COMPATIBLE_ID_LIST *CidList = NULL;
ACPI_SIZE Size;
@@ -340,61 +340,66 @@ AcpiGetObjectInfo (
return (Status);
}
+ Info = ACPI_MEM_CALLOCATE (sizeof (ACPI_DEVICE_INFO));
+ if (!Info)
+ {
+ return (AE_NO_MEMORY);
+ }
+
Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (Status))
{
- return (Status);
+ goto Cleanup;
}
Node = AcpiNsMapHandleToNode (Handle);
if (!Node)
{
(void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
- return (AE_BAD_PARAMETER);
+ goto Cleanup;
}
/* Init return structure */
Size = sizeof (ACPI_DEVICE_INFO);
- ACPI_MEMSET (&Info, 0, Size);
- Info.Type = Node->Type;
- Info.Name = Node->Name.Integer;
- Info.Valid = 0;
+ Info->Type = Node->Type;
+ Info->Name = Node->Name.Integer;
+ Info->Valid = 0;
Status = AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (Status))
{
- return (Status);
+ goto Cleanup;
}
/* If not a device, we are all done */
- if (Info.Type == ACPI_TYPE_DEVICE)
+ if (Info->Type == ACPI_TYPE_DEVICE)
{
/*
* Get extra info for ACPI Devices objects only:
* Run the Device _HID, _UID, _CID, _STA, _ADR and _SxD methods.
*
* Note: none of these methods are required, so they may or may
- * not be present for this device. The Info.Valid bitfield is used
+ * not be present for this device. The Info->Valid bitfield is used
* to indicate which methods were found and ran successfully.
*/
/* Execute the Device._HID method */
- Status = AcpiUtExecute_HID (Node, &Info.HardwareId);
+ Status = AcpiUtExecute_HID (Node, &Info->HardwareId);
if (ACPI_SUCCESS (Status))
{
- Info.Valid |= ACPI_VALID_HID;
+ Info->Valid |= ACPI_VALID_HID;
}
/* Execute the Device._UID method */
- Status = AcpiUtExecute_UID (Node, &Info.UniqueId);
+ Status = AcpiUtExecute_UID (Node, &Info->UniqueId);
if (ACPI_SUCCESS (Status))
{
- Info.Valid |= ACPI_VALID_UID;
+ Info->Valid |= ACPI_VALID_UID;
}
/* Execute the Device._CID method */
@@ -404,35 +409,33 @@ AcpiGetObjectInfo (
{
Size += ((ACPI_SIZE) CidList->Count - 1) *
sizeof (ACPI_COMPATIBLE_ID);
- Info.Valid |= ACPI_VALID_CID;
+ Info->Valid |= ACPI_VALID_CID;
}
/* Execute the Device._STA method */
- Status = AcpiUtExecute_STA (Node, &Info.CurrentStatus);
+ Status = AcpiUtExecute_STA (Node, &Info->CurrentStatus);
if (ACPI_SUCCESS (Status))
{
- Info.Valid |= ACPI_VALID_STA;
+ Info->Valid |= ACPI_VALID_STA;
}
/* Execute the Device._ADR method */
Status = AcpiUtEvaluateNumericObject (METHOD_NAME__ADR, Node,
- &Info.Address);
+ &Info->Address);
if (ACPI_SUCCESS (Status))
{
- Info.Valid |= ACPI_VALID_ADR;
+ Info->Valid |= ACPI_VALID_ADR;
}
/* Execute the Device._SxD methods */
- Status = AcpiUtExecute_Sxds (Node, Info.HighestDstates);
+ Status = AcpiUtExecute_Sxds (Node, Info->HighestDstates);
if (ACPI_SUCCESS (Status))
{
- Info.Valid |= ACPI_VALID_SXDS;
+ Info->Valid |= ACPI_VALID_SXDS;
}
-
- Status = AE_OK;
}
/* Validate/Allocate/Clear caller buffer */
@@ -446,7 +449,7 @@ AcpiGetObjectInfo (
/* Populate the return buffer */
ReturnInfo = Buffer->Pointer;
- ACPI_MEMCPY (ReturnInfo, &Info, sizeof (ACPI_DEVICE_INFO));
+ ACPI_MEMCPY (ReturnInfo, Info, sizeof (ACPI_DEVICE_INFO));
if (CidList)
{
@@ -455,6 +458,7 @@ AcpiGetObjectInfo (
Cleanup:
+ ACPI_MEM_FREE (Info);
if (CidList)
{
ACPI_MEM_FREE (CidList);