genhd must_check warning fix

[sfrench/cifs-2.6.git] / block / genhd.c

diff --git a/block/genhd.c b/block/genhd.c
index c44527d16c52d66058ca434e8c6e5af05b8874c6..00da5219ee37c02a066d45e6ceefa65d9606d5e6 100644 (file)
--- 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();