Re: Re: Yet another hot unplug NULL pointer dereference (was Re: status of oops in sd_revalidate_disk?)

[Bart Van Assche]

On Feb 14 Stefan Richter wrote:
> Or asked differently, what is supposed to serialize the ->queuedata
> accesses?

How about avoiding to modify q->queuedata before scsi_free_queue() has been
invoked, e.g. as follows ? Note: the kfree() call in scsi_host_dev_release() probably
should be postponed until the last put on the queue has occurred.