diff options
Diffstat (limited to 'arch/x86_64/pci/mmconfig.c')
-rw-r--r-- | arch/x86_64/pci/mmconfig.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c index faabb6e87f12..98202cb50d8a 100644 --- a/arch/x86_64/pci/mmconfig.c +++ b/arch/x86_64/pci/mmconfig.c @@ -170,7 +170,9 @@ void __init pci_mmcfg_init(int type) if ((pci_probe & PCI_PROBE_MMCONF) == 0) return; - acpi_table_parse(ACPI_SIG_MCFG, acpi_parse_mcfg); + if (acpi_table_parse(ACPI_SIG_MCFG, acpi_parse_mcfg)) + return; + if ((pci_mmcfg_config_num == 0) || (pci_mmcfg_config == NULL) || (pci_mmcfg_config[0].address == 0)) |