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-rw-r--r--drivers/pci/pci.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index da5570cf5c6a..fdf65a6c13f6 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -514,7 +514,7 @@ EXPORT_SYMBOL(pci_find_resource);
514 */ 514 */
515struct pci_dev *pci_find_pcie_root_port(struct pci_dev *dev) 515struct pci_dev *pci_find_pcie_root_port(struct pci_dev *dev)
516{ 516{
517 struct pci_dev *bridge, *highest_pcie_bridge = NULL; 517 struct pci_dev *bridge, *highest_pcie_bridge = dev;
518 518
519 bridge = pci_upstream_bridge(dev); 519 bridge = pci_upstream_bridge(dev);
520 while (bridge && pci_is_pcie(bridge)) { 520 while (bridge && pci_is_pcie(bridge)) {
@@ -522,11 +522,10 @@ struct pci_dev *pci_find_pcie_root_port(struct pci_dev *dev)
522 bridge = pci_upstream_bridge(bridge); 522 bridge = pci_upstream_bridge(bridge);
523 } 523 }
524 524
525 if (highest_pcie_bridge && 525 if (pci_pcie_type(highest_pcie_bridge) != PCI_EXP_TYPE_ROOT_PORT)
526 pci_pcie_type(highest_pcie_bridge) == PCI_EXP_TYPE_ROOT_PORT) 526 return NULL;
527 return highest_pcie_bridge;
528 527
529 return NULL; 528 return highest_pcie_bridge;
530} 529}
531EXPORT_SYMBOL(pci_find_pcie_root_port); 530EXPORT_SYMBOL(pci_find_pcie_root_port);
532 531