Matthew Garrett wrote: > +++ b/drivers/usb/host/pci-quirks.c .. > @@ -830,9 +830,17 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev) > */ > ext_cap_offset = xhci_find_next_cap_offset(base, XHCI_HCC_PARAMS_OFFSET); > do { > + if ((ext_cap_offset + sizeof(val)) > len) { > + /* We're reading garbage from the controller */ > + dev_warn(&pdev->dev, > + "xHCI controller failing to respond"); > + return; > + } Would it be useful to output the have and want values? //Peter -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html