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path: root/drivers/net/e1000e/netdev.c
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Diffstat (limited to 'drivers/net/e1000e/netdev.c')
-rw-r--r--drivers/net/e1000e/netdev.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index fb8fc7d1b50..dbf81788bb4 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4633,6 +4633,9 @@ static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
reg16 &= ~state;
pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
+ if (!pdev->bus->self)
+ return;
+
pos = pci_pcie_cap(pdev->bus->self);
pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
reg16 &= ~state;