[PATCH] remove dead code from elevator switching
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>
diff --git a/block/elevator.c b/block/elevator.c
index a0afdd3..d00b283 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -850,12 +850,9 @@
* one again (along with re-adding the sysfs dir)
*/
elevator_exit(e);
- e = NULL;
q->elevator = old_elevator;
elv_register_queue(q);
clear_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
- if (e)
- kobject_put(&e->kobj);
return 0;
}