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[NTOSKRNL] Create the 'Device Parameters' subkey and add the 'FirmwareIdentified' value for all ACPI-enumerated devices.

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This commit is contained in:
Eric Kohl 2018-09-21 15:37:34 +02:00
parent 2550325577
commit e1b82b5b91
1 changed files with 40 additions and 5 deletions
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45
ntoskrnl/io/pnpmgr/pnpmgr.c
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@ -1536,11 +1536,10 @@ IopSetDeviceInstanceData(HANDLE InstanceKey,
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING KeyName;
HANDLE LogConfKey;
HANDLE LogConfKey, ControlKey, DeviceParamsKey;
ULONG ResCount;
ULONG ResultLength;
NTSTATUS Status;
HANDLE ControlHandle;
DPRINT("IopSetDeviceInstanceData() called\n");
@ -1619,10 +1618,46 @@ IopSetDeviceInstanceData(HANDLE InstanceKey,
OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
InstanceKey,
NULL);
Status = ZwCreateKey(&ControlHandle, 0, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
Status = ZwCreateKey(&ControlKey,
0,
&ObjectAttributes,
0,
NULL,
REG_OPTION_VOLATILE,
NULL);
if (NT_SUCCESS(Status))
ZwClose(ControlHandle);
ZwClose(ControlKey);
/* Create the 'Device Parameters' key and set the 'FirmwareIdentified' value for all ACPI-enumerated devices */
if (_wcsnicmp(DeviceNode->InstancePath.Buffer, L"ACPI\\", 5) == 0)
{
RtlInitUnicodeString(&KeyName, L"Device Parameters");
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
InstanceKey,
NULL);
Status = ZwCreateKey(&DeviceParamsKey,
0,
&ObjectAttributes,
0,
NULL,
REG_OPTION_NON_VOLATILE,
NULL);
if (NT_SUCCESS(Status))
{
ULONG FirmwareIdentified = 1;
RtlInitUnicodeString(&KeyName, L"FirmwareIdentified");
Status = ZwSetValueKey(DeviceParamsKey,
&KeyName,
0,
REG_DWORD,
&FirmwareIdentified,
sizeof(FirmwareIdentified));
ZwClose(DeviceParamsKey);
}
}
DPRINT("IopSetDeviceInstanceData() done\n");