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-rw-r--r--include/linux/pci.h11
1 files changed, 5 insertions, 6 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c79d83304e52..34c1c4f45288 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2169,12 +2169,11 @@ static inline int pci_pcie_type(const struct pci_dev *dev)
*/
static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
{
- struct pci_dev *bridge = pci_upstream_bridge(dev);
-
- while (bridge) {
- if (pci_pcie_type(bridge) == PCI_EXP_TYPE_ROOT_PORT)
- return bridge;
- bridge = pci_upstream_bridge(bridge);
+ while (dev) {
+ if (pci_is_pcie(dev) &&
+ pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
+ return dev;
+ dev = pci_upstream_bridge(dev);
}
return NULL;