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>