[PATCH 2/3] nvmet: prevent creating ctrl with no namespace

[Christoph Hellwig]

On Thu, Jun 17, 2021 at 12:06:11PM -0700, Sagi Grimberg wrote:
> Why not just set both nn and mnan to NVMET_MAX_NAMESPACES and be done
> with it?

Yes, I'm pretty sure I suggested that before somewhere..