On Mon, 2013-04-22 at 15:41 +0800, Mike Qiu wrote: > Anyway, I think it's better to remove the check code as it is useless, > as it > will shows that this "NULL" pci_controller pointer may happen... Ok. It *might* still be worth adding a BUG_ON then in pci_bus_to_host() itself ... no big deal either way. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html