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Kernel/SysFS: Prevent allocation for component name during construction

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Instead, allocate before constructing the object and pass NonnullOwnPtr
of KString to the object if needed. Some classes can determine their
names as they have a known attribute to look for or have a static name.
This commit is contained in:
Liav A 2021-12-12 16:33:08 +02:00 • committed by Andreas Kling
parent 4daf07e69f
commit 478f543899
17 changed files with 116 additions and 65 deletions
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9
Kernel/Firmware/BIOS.cpp
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@ -24,8 +24,7 @@ UNMAP_AFTER_INIT NonnullRefPtr<DMIEntryPointExposedBlob> DMIEntryPointExposedBlo
return adopt_ref(*new (nothrow) DMIEntryPointExposedBlob(dmi_entry_point, blob_size));
}
UNMAP_AFTER_INIT BIOSSysFSComponent::BIOSSysFSComponent(StringView name)
: SysFSComponent(name)
UNMAP_AFTER_INIT BIOSSysFSComponent::BIOSSysFSComponent()
{
}
@ -42,7 +41,7 @@ ErrorOr<size_t> BIOSSysFSComponent::read_bytes(off_t offset, size_t count, UserO
}
UNMAP_AFTER_INIT DMIEntryPointExposedBlob::DMIEntryPointExposedBlob(PhysicalAddress dmi_entry_point, size_t blob_size)
: BIOSSysFSComponent("smbios_entry_point"sv)
: BIOSSysFSComponent()
, m_dmi_entry_point(dmi_entry_point)
, m_dmi_entry_point_length(blob_size)
{
@ -60,7 +59,7 @@ UNMAP_AFTER_INIT NonnullRefPtr<SMBIOSExposedTable> SMBIOSExposedTable::create(Ph
}
UNMAP_AFTER_INIT SMBIOSExposedTable::SMBIOSExposedTable(PhysicalAddress smbios_structure_table, size_t smbios_structure_table_length)
: BIOSSysFSComponent("DMI"sv)
: BIOSSysFSComponent()
, m_smbios_structure_table(smbios_structure_table)
, m_smbios_structure_table_length(smbios_structure_table_length)
{
@ -127,7 +126,7 @@ UNMAP_AFTER_INIT void BIOSSysFSDirectory::initialize_dmi_exposer()
}
UNMAP_AFTER_INIT BIOSSysFSDirectory::BIOSSysFSDirectory(FirmwareSysFSDirectory& firmware_directory)
: SysFSDirectory("bios", firmware_directory)
: SysFSDirectory(firmware_directory)
{
auto entry_32bit = find_dmi_entry32bit_point();
if (entry_32bit.has_value()) {