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Kernel: Make map_typed() & map_typed_writable() fallible using ErrorOr
This mostly just moved the problem, as a lot of the callers are not capable of propagating the errors themselves, but it's a step in the right direction.
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14 changed files with 80 additions and 57 deletions
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@ -42,7 +42,12 @@ UNMAP_AFTER_INIT bool Access::find_and_register_pci_host_bridges_from_acpi_mcfg_
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u32 length = 0;
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u8 revision = 0;
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{
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auto mapped_mcfg_table = Memory::map_typed<ACPI::Structures::SDTHeader>(mcfg_table);
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auto mapped_mcfg_table_or_error = Memory::map_typed<ACPI::Structures::SDTHeader>(mcfg_table);
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if (mapped_mcfg_table_or_error.is_error()) {
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dbgln("Failed to map MCFG table");
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return false;
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}
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auto mapped_mcfg_table = mapped_mcfg_table_or_error.release_value();
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length = mapped_mcfg_table->length;
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revision = mapped_mcfg_table->revision;
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}
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