Re: initcall at ... returned with error code -19 (Was: Re: 2.6.16-rc5-mm2)

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Bjorn Helgaas wrote:
> On Tuesday 07 March 2006 06:10, Jes Sorensen wrote:
>> I'd subscribe to that. It seems a bit wrong to return 0 in a
>> loadable module if nothing is found, and some of the ones people have
>> posted patches for converting can be either modules or static.
> Yeah, maybe.  But it feels a little like the question of whether
> {pci,pnp,acpi_bus}_register_driver() should return the number of
> devices found.  The consensus is that these functions should return
> only a negative error, or zero for success, leaving any counting of
> devices to the driver's .probe() or .add() method.
> I think a loadable driver's init function *should* return success
> even if no device is yet present.  Maybe you want to load the driver
> before hot-adding the device.

I don't really like this ;-( If a driver is loaded for a specific PCI
device and that isn't present, then IMHO it is better to have it
return -ENODEV and unload it again.

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