1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 56fb18d2cb52..70b3b44a8b6c 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1529,7 +1529,7 @@ pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge)
         if (!pin)
                 return -1;
 
-        while (dev->bus->parent) {
+        while (!pci_is_root_bus(dev->bus)) {
                 pin = pci_swizzle_interrupt_pin(dev, pin);
                 dev = dev->bus->self;
         }