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-rw-r--r--drivers/pci/pcie/aer/aerdrv_acpi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c
index 8c199ae84f6..7e53fa590cf 100644
--- a/drivers/pci/pcie/aer/aerdrv_acpi.c
+++ b/drivers/pci/pcie/aer/aerdrv_acpi.c
@@ -33,6 +33,9 @@ int aer_osc_setup(struct pcie_device *pciedev)
33 struct pci_dev *pdev = pciedev->port; 33 struct pci_dev *pdev = pciedev->port;
34 acpi_handle handle = 0; 34 acpi_handle handle = 0;
35 35
36 if (acpi_pci_disabled)
37 return -1;
38
36 /* Find root host bridge */ 39 /* Find root host bridge */
37 while (pdev->bus && pdev->bus->self) 40 while (pdev->bus && pdev->bus->self)
38 pdev = pdev->bus->self; 41 pdev = pdev->bus->self;