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-rw-r--r--block/genhd.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 25d1f42568cc..653919d50cd4 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -295,10 +295,15 @@ static struct kobject *base_probe(dev_t dev, int *part, void *data)
static int __init genhd_device_init(void)
{
+ int err;
+
bdev_map = kobj_map_init(base_probe, &block_subsys_lock);
blk_dev_init();
- subsystem_register(&block_subsys);
- return 0;
+ err = subsystem_register(&block_subsys);
+ if (err < 0)
+ printk(KERN_WARNING "%s: subsystem_register error: %d\n",
+ __FUNCTION__, err);
+ return err;
}
subsys_initcall(genhd_device_init);