Re: [PATCH 06/34] don't use __devexit_p to wrap hal2_remove

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Hello,

On Fri, Oct 02, 2009 at 11:02:56AM +0200, Takashi Iwai wrote:
> At Thu, 1 Oct 2009 10:53:55 +0200,
> Uwe Kleine-König wrote:
> > 
> > On Thu, Oct 01, 2009 at 10:36:59AM +0200, Takashi Iwai wrote:
> > > At Thu,  1 Oct 2009 10:28:10 +0200,
> > > Uwe Kleine-König wrote:
> > > > 
> > > > The function hal2_remove is defined using __exit, so don't use __devexit_p
> > > > but __exit_p to wrap it.
> > > 
> > > I think it's the other way round.  We should replace __exit with __devexit.
> > > Ditto for sound/mips/sgio2audio.c.
> > Actually both ways are possible.  I choosed the alternative that doesn't
> > add bloat to the kernel.  The cost is that the device isn't hotplugable,
> > but you can still unload the module to unbind the driver.
> 
> Hm, is it really safe to set remove=NULL although the driver needs
> some work at unbinding?  It looks like that unbind is allowed no
> matter whether remove is NULL or not.  So, it would jus keeps stray
> resources, and it might conflict at the next bind.
I just tried that and you're right.  IMHO that's a bug.  Greg?

Best regards
Uwe

-- 
Pengutronix e.K.                              | Uwe Kleine-König            |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |
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