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[PATCH] remove dead code from elevator switching

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We already drop the refcount in elevator_exit(), and as
we're setting 'e' to NULL, we'll never take that branch anyway.
Finally, as 'e' is a local var that isn't referenced afterwards,
setting it to NULL is pointless.

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Dave Jones 2006-06-12 14:20:58 +02:00 committed by Jens Axboe
parent fda151d9fe
commit acf4217555
1 changed files with 0 additions and 3 deletions
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block/elevator.c
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@ -850,12 +850,9 @@ static int elevator_switch(request_queue_t *q, struct elevator_type *new_e)
* one again (along with re-adding the sysfs dir) * one again (along with re-adding the sysfs dir)
*/ */
elevator_exit(e); elevator_exit(e);
e = NULL;
q->elevator = old_elevator; q->elevator = old_elevator;
elv_register_queue(q); elv_register_queue(q);
clear_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags); clear_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
if (e)
kobject_put(&e->kobj);
return 0; return 0;
} }