Re: [PATCH] Fix ide unregister vs. driver model

[Bartlomiej Zolnierkiewicz]

Ok, thanks.

On Monday 25 of August 2003 22:59, Patrick Mochel wrote:
> > > We have no race with the patch, that is we have no race when we wait
> > > for the semaphore after calling unregister(). We have a race if we
> > > don't as unregister() will drop a reference, but we may have pending
> > > ones from sysfs still... so if we don't wait for release() to be
> > > called, we may overwrite a struct device currently beeing used by
> > > sysfs.
> >
> > Nope, I don't think struct device can be used by sysfs after execution
> > of device_unregister() (I've checked driver model and sysfs code).
>
> It can, if the sysfs file for the device was held open while, at the same
> time, the device was unregistered. You cannot, however, obtain new
> references to the device.

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