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-rw-r--r--block/blk-mq-sysfs.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index c2cac20d981d..ec0afdf765e3 100644
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -323,16 +323,24 @@ int __blk_mq_register_dev(struct device *dev, struct request_queue *q)
queue_for_each_hw_ctx(q, hctx, i) {
ret = blk_mq_register_hctx(hctx);
if (ret)
- break;
+ goto unreg;
}
- if (ret)
- __blk_mq_unregister_dev(dev, q);
- else
- q->mq_sysfs_init_done = true;
+ q->mq_sysfs_init_done = true;
out:
return ret;
+
+unreg:
+ while (--i >= 0)
+ blk_mq_unregister_hctx(q->queue_hw_ctx[i]);
+
+ blk_mq_debugfs_unregister_mq(q);
+
+ kobject_uevent(&q->mq_kobj, KOBJ_REMOVE);
+ kobject_del(&q->mq_kobj);
+ kobject_put(&dev->kobj);
+ return ret;
}
int blk_mq_register_dev(struct device *dev, struct request_queue *q)