Re: [PATCH] Driver core: fix race in dev_driver_string

[Greg KH]

On Fri, Dec 04, 2009 at 05:16:19PM +0100, Oliver Neukum wrote:
> Am Freitag, 4. Dezember 2009 17:06:57 schrieb Alan Stern:
> > Oliver:
> > 
> > We don't have to worry about the device structure being deallocated 
> > while the routine is running.  If that happens it's a bug in the 
> > caller: improper refcounting.
> 
> That raises two points
> 
> 1. am I supposed to get a reference just so that I can use dev_err?

No, you should already have a reference on the device when doing the
call, right?

> 2. what happens if this is a soft disconnect and the device is reconnected?
> It seems to me that you'd print the wrong driver's name.

Then we can live with that, it's not that big of a deal.

thanks,

greg k-h
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