1 files changed, 3 insertions, 1 deletions

diff --git a/block/genhd.c b/block/genhd.c
index c44527d16c52..00da5219ee37 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -360,7 +360,9 @@ static struct kobject *base_probe(dev_t devt, int *part, void *data)
 
 static int __init genhd_device_init(void)
 {
-        class_register(&block_class);
+        int error = class_register(&block_class);
+        if (unlikely(error))
+                return error;
         bdev_map = kobj_map_init(base_probe, &block_class_lock);
         blk_dev_init();