[PATCH] nvme-common: simplify nvme_auth_generate_key

[Jens Axboe]

On 1/8/23 11:41 AM, Christoph Hellwig wrote:
> Return the key or NULL on success, and an ERR_PTR on failure
> instead of passing a separate ret_key argument to return the key.

Reviewed-by: Jens Axboe <axboe at kernel.dk>

-- 
Jens Axboe