On Tue, 3 Sep 2013 16:06:19 -0700 Greg KH <gregkh@xxxxxxxxxxxxxxxxxxxx> wrote: > On Tue, Sep 03, 2013 at 03:38:15PM -0700, Stephen Hemminger wrote: > > While debugging another problem with a PCI driver, I noticed that if > > device probe routine returns an error, the kernel will crash when module > > is unloaded. It looks like pci_register_driver() sets drv->bus to be PCI > > then in the module unload. > > > > module_unload > > my_device_exit_module > > pci_unregister_driver > > bus_remove_driver > > OOPS > > > > One way to fix this would be to have pci_register_driver clear the bus > > flag (it has no reference) if an error was detected. > > Odd, no other buses do this, why would it matter for PCI? Maybe they > just never fail their registering calls. > > How about putting this in the driver core instead so that all busses get > fixed? > > thanks, > > greg k-h Never mind, buggy driver -- 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
