On 11/30/21 5:03 AM, Eric Biggers wrote:

From: Eric Biggers <redacted>

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.

Signed-off-by: Eric Biggers <redacted>
---
  block/blk-sysfs.c | 3 +--
  block/elevator.c  | 8 ++++----
  2 files changed, 5 insertions(+), 6 deletions(-)

Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@suse.de                              +49 911 74053 688
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