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-rw-r--r--drivers/pci/pcie/aspm.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 745402e8e498..5b7056cec00c 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)
656 free_link_state(link); 656 free_link_state(link);
657 657
658 /* Recheck latencies and configure upstream links */ 658 /* Recheck latencies and configure upstream links */
659 pcie_update_aspm_capable(root); 659 if (parent_link) {
660 pcie_config_aspm_path(parent_link); 660 pcie_update_aspm_capable(root);
661 pcie_config_aspm_path(parent_link);
662 }
661out: 663out:
662 mutex_unlock(&aspm_lock); 664 mutex_unlock(&aspm_lock);
663 up_read(&pci_bus_sem); 665 up_read(&pci_bus_sem);