ladybird/Kernel/Firmware/SysFSFirmware.cpp
Idan Horowitz 3945e239e1 Kernel: Don't populate the ACPI SysFS directory with a disabled ACPI
This would cause a nullptr dereference on ACPI::Parser::the().
2022-01-18 21:00:46 +02:00

36 lines
1.0 KiB
C++

/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Firmware/ACPI/Parser.h>
#include <Kernel/Firmware/BIOS.h>
#include <Kernel/Firmware/PowerStateSwitch.h>
#include <Kernel/Firmware/SysFSFirmware.h>
#include <Kernel/Sections.h>
namespace Kernel {
UNMAP_AFTER_INIT void FirmwareSysFSDirectory::initialize()
{
auto firmware_directory = adopt_ref_if_nonnull(new (nothrow) FirmwareSysFSDirectory()).release_nonnull();
SysFSComponentRegistry::the().register_new_component(firmware_directory);
firmware_directory->create_components();
}
void FirmwareSysFSDirectory::create_components()
{
m_components.append(BIOSSysFSDirectory::must_create(*this));
if (ACPI::is_enabled())
m_components.append(ACPI::ACPISysFSDirectory::must_create(*this));
m_components.append(PowerStateSwitchNode::must_create(*this));
}
UNMAP_AFTER_INIT FirmwareSysFSDirectory::FirmwareSysFSDirectory()
: SysFSDirectory(SysFSComponentRegistry::the().root_directory())
{
}
}