[PATCH 4.14-rc] nvme-rdma: Fix error status return in tagset allocation failure

[Christoph Hellwig]

On Thu, Oct 19, 2017 at 05:44:57PM +0300, Sagi Grimberg wrote:
> Oh, double indirection... I confused the ctrl structures in your
> suggestion...

Actually, let's skip the idea - I just noticed nvme_rdma_alloc_tagset does
way too many different things for the admin vs io taget.

I'm fine with your original version, but once we refactor things in this
area I have a few ideas how to improve things.