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-rw-r--r--drivers/pci/pci.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index fde41cc14734..aa480370ef10 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -517,7 +517,12 @@ pci_enable_device_bars(struct pci_dev *dev, int bars)
517int 517int
518pci_enable_device(struct pci_dev *dev) 518pci_enable_device(struct pci_dev *dev)
519{ 519{
520 int err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1); 520 int err;
521
522 if (dev->is_enabled)
523 return 0;
524
525 err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1);
521 if (err) 526 if (err)
522 return err; 527 return err;
523 pci_fixup_device(pci_fixup_enable, dev); 528 pci_fixup_device(pci_fixup_enable, dev);