1 files changed, 4 insertions, 1 deletions

diff --git a/block/genhd.c b/block/genhd.c
index 9074f384b097..24e3fc9095fe 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -370,7 +370,10 @@ static struct kobject *base_probe(dev_t devt, int *part, void *data)
 
 static int __init genhd_device_init(void)
 {
-        int error = class_register(&block_class);
+        int error;
+
+        block_class.dev_kobj = sysfs_dev_block_kobj;
+        error = class_register(&block_class);
         if (unlikely(error))
                 return error;
         bdev_map = kobj_map_init(base_probe, &block_class_lock);