diff options
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r-- | drivers/pci/pci.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b4b7eab29400..da5570cf5c6a 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -522,10 +522,11 @@ struct pci_dev *pci_find_pcie_root_port(struct pci_dev *dev) bridge = pci_upstream_bridge(bridge); } - if (pci_pcie_type(highest_pcie_bridge) != PCI_EXP_TYPE_ROOT_PORT) - return NULL; + if (highest_pcie_bridge && + pci_pcie_type(highest_pcie_bridge) == PCI_EXP_TYPE_ROOT_PORT) + return highest_pcie_bridge; - return highest_pcie_bridge; + return NULL; } EXPORT_SYMBOL(pci_find_pcie_root_port); |