1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 602eb4223510..f89db3af0607 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -4772,8 +4772,10 @@ int pci_get_new_domain_nr(void)
 void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent)
 {
         static int use_dt_domains = -1;
-        int domain = of_get_pci_domain_nr(parent->of_node);
+        int domain = -1;
 
+        if (parent)
+                domain = of_get_pci_domain_nr(parent->of_node);
         /*
          * Check DT domain and use_dt_domains values.
          *