diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/pci/acpi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index c95330267f0..039d91315bc 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -365,8 +365,13 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root) */ if (bus) { struct pci_bus *child; - list_for_each_entry(child, &bus->children, node) - pcie_bus_configure_settings(child, child->self->pcie_mpss); + list_for_each_entry(child, &bus->children, node) { + struct pci_dev *self = child->self; + if (!self) + continue; + + pcie_bus_configure_settings(child, self->pcie_mpss); + } } if (!bus) |