diff options
Diffstat (limited to 'Kernel/Bus')
| -rw-r--r-- | Kernel/Bus/PCI/Access.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Kernel/Bus/PCI/Access.cpp b/Kernel/Bus/PCI/Access.cpp index 0959bed47d..d7a837b66a 100644 --- a/Kernel/Bus/PCI/Access.cpp +++ b/Kernel/Bus/PCI/Access.cpp @@ -42,7 +42,12 @@ UNMAP_AFTER_INIT bool Access::find_and_register_pci_host_bridges_from_acpi_mcfg_ u32 length = 0; u8 revision = 0; { - auto mapped_mcfg_table = Memory::map_typed<ACPI::Structures::SDTHeader>(mcfg_table); + auto mapped_mcfg_table_or_error = Memory::map_typed<ACPI::Structures::SDTHeader>(mcfg_table); + if (mapped_mcfg_table_or_error.is_error()) { + dbgln("Failed to map MCFG table"); + return false; + } + auto mapped_mcfg_table = mapped_mcfg_table_or_error.release_value(); length = mapped_mcfg_table->length; revision = mapped_mcfg_table->revision; } |