diff options
Diffstat (limited to 'Kernel/Bus/PCI/Initializer.cpp')
| -rw-r--r-- | Kernel/Bus/PCI/Initializer.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Kernel/Bus/PCI/Initializer.cpp b/Kernel/Bus/PCI/Initializer.cpp index 4754ca3ff9..5fb1fb11b9 100644 --- a/Kernel/Bus/PCI/Initializer.cpp +++ b/Kernel/Bus/PCI/Initializer.cpp @@ -21,7 +21,7 @@ static bool test_pci_io(); UNMAP_AFTER_INIT static PCIAccessLevel detect_optimal_access_type(PCIAccessLevel boot_determined) { - if (!ACPI::is_enabled() || ACPI::Parser::the()->find_table("MCFG").is_null()) + if (!ACPI::is_enabled() || !ACPI::Parser::the()->find_table("MCFG").has_value()) return PCIAccessLevel::IOAddressing; if (boot_determined != PCIAccessLevel::IOAddressing) @@ -39,7 +39,9 @@ UNMAP_AFTER_INIT void initialize() switch (detect_optimal_access_type(boot_determined)) { case PCIAccessLevel::MemoryAddressing: { - auto success = Access::initialize_for_memory_access(ACPI::Parser::the()->find_table("MCFG")); + auto mcfg = ACPI::Parser::the()->find_table("MCFG"); + VERIFY(mcfg.has_value()); + auto success = Access::initialize_for_memory_access(mcfg.value()); VERIFY(success); break; } |