[PATCH v4] nvmet: fix Reservation Register Replace for unregistered host with IEKEY

[Keith Busch]

On Tue, Jul 28, 2026 at 04:26:01PM +0800, Zhengrong Li wrote:
> When a host sends a Reservation Register command with RREGA=Replace
> and IEKEY=1 without being previously registered, nvmet returns
> Reservation Conflict.

Thanks, applied to nvme-7.3.