diff options
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/block/elevator.c b/block/elevator.c index 0abce473d60..923a9139106 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -242,9 +242,11 @@ int elevator_init(struct request_queue *q, char *name) { struct elevator_type *e = NULL; struct elevator_queue *eq; - int ret = 0; void *data; + if (unlikely(q->elevator)) + return 0; + INIT_LIST_HEAD(&q->queue_head); q->last_merge = NULL; q->end_sector = 0; @@ -284,7 +286,7 @@ int elevator_init(struct request_queue *q, char *name) } elevator_attach(q, eq, data); - return ret; + return 0; } EXPORT_SYMBOL(elevator_init); |