diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firewire/ohci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 1c365b827815..922cd26b25e3 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -3545,6 +3545,13 @@ static int __devinit pci_probe(struct pci_dev *dev, INIT_WORK(&ohci->bus_reset_work, bus_reset_work); + if (!(pci_resource_flags(dev, 0) & IORESOURCE_MEM) || + pci_resource_len(dev, 0) < OHCI1394_REGISTER_SIZE) { + dev_err(&dev->dev, "invalid MMIO resource\n"); + err = -ENXIO; + goto fail_disable; + } + err = pci_request_region(dev, 0, ohci_driver_name); if (err) { dev_err(&dev->dev, "MMIO resource unavailable\n"); |