[PATCH V5 2/2] nvme: allow open for nvme-generic char device

[Christoph Hellwig]

On Mon, Feb 22, 2021 at 08:01:07PM +0100, javier at javigon.com wrote:
> @@ -1885,7 +1885,7 @@ static int nvme_ns_open(struct nvme_ns *ns)
>  {
>  #ifdef CONFIG_NVME_MULTIPATH
>  	/* should never be called due to GENHD_FL_HIDDEN */
> -	if (WARN_ON_ONCE(ns->head->disk))
> +	if (WARN_ON_ONCE(!nvme_ns_is_generic(ns) && ns->head->disk))
>  		goto fail;

Maybe just move the check into the block device caller instead?