"elevator_queue *e" is already declared and initialized in the beginning of elv_unregister_queue(). Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx> --- block/elevator.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/block/elevator.c b/block/elevator.c index 7cb61820cfa0..0a72d6fbbdcc 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -524,8 +524,6 @@ void elv_unregister_queue(struct request_queue *q) lockdep_assert_held(&q->sysfs_lock); if (e && test_and_clear_bit(ELEVATOR_FLAG_REGISTERED, &e->flags)) { - struct elevator_queue *e = q->elevator; - kobject_uevent(&e->kobj, KOBJ_REMOVE); kobject_del(&e->kobj); } -- 2.31.1