diff options
| -rw-r--r-- | drivers/md/md.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 1f770c16d43..da838cc32cc 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -221,7 +221,9 @@ static void mddev_put(mddev_t *mddev) if (!mddev->raid_disks && list_empty(&mddev->disks)) { list_del(&mddev->all_mddevs); spin_unlock(&all_mddevs_lock); - blk_cleanup_queue(mddev->queue); + if (mddev->queue) + blk_cleanup_queue(mddev->queue); + mddev->queue = NULL; if (mddev->sysfs_state) sysfs_put(mddev->sysfs_state); mddev->sysfs_state = NULL; @@ -275,16 +277,6 @@ static mddev_t * mddev_find(dev_t unit) new->resync_max = MaxSector; new->level = LEVEL_NONE; - new->queue = blk_alloc_queue(GFP_KERNEL); - if (!new->queue) { - kfree(new); - return NULL; - } - /* Can be unlocked because the queue is new: no concurrency */ - queue_flag_set_unlocked(QUEUE_FLAG_CLUSTER, new->queue); - - blk_queue_make_request(new->queue, md_fail_request); - goto retry; } @@ -3493,9 +3485,23 @@ static struct kobject *md_probe(dev_t dev, int *part, void *data) mddev_put(mddev); return NULL; } + + mddev->queue = blk_alloc_queue(GFP_KERNEL); + if (!mddev->queue) { + mutex_unlock(&disks_mutex); + mddev_put(mddev); + return NULL; + } + /* Can be unlocked because the queue is new: no concurrency */ + queue_flag_set_unlocked(QUEUE_FLAG_CLUSTER, mddev->queue); + + blk_queue_make_request(mddev->queue, md_fail_request); + disk = alloc_disk(1 << shift); if (!disk) { mutex_unlock(&disks_mutex); + blk_cleanup_queue(mddev->queue); + mddev->queue = NULL; mddev_put(mddev); return NULL; } |