[PATCH] nvme-cli: attach ns to local controller if none specified

[Christoph Hellwig]

On Mon, Mar 31, 2025 at 12:08:43PM -0700, Keith Busch wrote:
> From: Keith Busch <kbusch at kernel.org>
> 
> Assume the user meant to attach the namespace to the controller the
> command was sent to if the user didn't provide a controller id list.

This looks good, but I think it also needs a documentation update.