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Kernel/CommandLine: Verify ACPI feature level cannot have invalid string

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The allowed options are "on", "limited" and "off". Anything else is now
not allowed and will result in kernel panic.
This commit is contained in:
Liav A 2021-09-10 18:06:26 +03:00 • committed by Andreas Kling
parent 026f80a95b
commit d0245b5e6b
1 changed files with 3 additions and 1 deletions
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4
Kernel/CommandLine.cpp
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@ -142,7 +142,9 @@ UNMAP_AFTER_INIT AcpiFeatureLevel CommandLine::acpi_feature_level() const
return AcpiFeatureLevel::Limited;
if (value == "off"sv)
return AcpiFeatureLevel::Disabled;
return AcpiFeatureLevel::Enabled;
if (value == "on"sv)
return AcpiFeatureLevel::Enabled;
PANIC("Unknown ACPI feature level: {}", value);
}
UNMAP_AFTER_INIT HPETMode CommandLine::hpet_mode() const