[PATCH 5/6] nvme: Export subsystems to /sys/class/nvme-subsys

[Keith Busch]

On Mon, Oct 02, 2017 at 06:56:32PM +0200, Christoph Hellwig wrote:
> 
> > BTW, I just notice nvme_init_subsystem needs call nvme_put_subsystem in
> > the invalid duplicate subnqn case.
> 
> We call __nvme_free_subsystem in that case, which should do the job.

We're calling __nvme_free_subsystem on the one that was allocated, not
the one that was found. The 'found' will have an additional reference
taken on it that isn't tracked.