Re: [PATCH v3 1/3] block: simplify calling convention of elv_unregister_queue()

[Bart Van Assche]

On 12/7/21 5:35 PM, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
>
> Make elv_unregister_queue() a no-op if q->elevator is NULL or is not
> registered.
>
> This simplifies the existing callers, as well as the future caller in
> the error path of blk_register_queue().
>
> Also don't bother checking whether q is NULL, since it never is.

Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>