target/linux/cns3xxx/patches-4.4/032-pcie_no_of_domain_fix.patch

   1 --- a/drivers/pci/pci.c
   2 +++ b/drivers/pci/pci.c
   3 @@ -4772,7 +4772,10 @@ int pci_get_new_domain_nr(void)
   4  void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent)
   5  {
   6         static int use_dt_domains = -1;
   7 -       int domain = of_get_pci_domain_nr(parent->of_node);
   8 +       int domain = -1;
   9 +
  10 +       if (parent && parent->of_node)
  11 +               domain = of_get_pci_domain_nr(parent->of_node);
  12
  13         /*
  14          * Check DT domain and use_dt_domains values.