elevator: fix unnecessary put of elevator in failure case
We already checked that e is NULL, so no point in calling
elevator_put() to free it.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: dc877dbd088f ("blk-mq-sched: add framework for MQ capable IO schedulers")
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/block/elevator.c b/block/elevator.c
index bcba2dd..ef7f594 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -230,10 +230,6 @@ int elevator_init(struct request_queue *q, char *name)
printk(KERN_ERR
"Default I/O scheduler not found. " \
"Using noop/none.\n");
- if (q->mq_ops) {
- elevator_put(e);
- return 0;
- }
e = elevator_get("noop", false);
}
}