diff options
| -rw-r--r-- | drivers/pci/pcie/aspm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 745402e8e49..5b7056cec00 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -656,8 +656,10 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev) free_link_state(link); /* Recheck latencies and configure upstream links */ - pcie_update_aspm_capable(root); - pcie_config_aspm_path(parent_link); + if (parent_link) { + pcie_update_aspm_capable(root); + pcie_config_aspm_path(parent_link); + } out: mutex_unlock(&aspm_lock); up_read(&pci_bus_sem); |