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-rw-r--r--block/genhd.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 24e3fc9095f..3ccf5c01756 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -183,6 +183,7 @@ static int exact_lock(dev_t devt, void *data)
void add_disk(struct gendisk *disk)
{
struct backing_dev_info *bdi;
+ int retval;
disk->flags |= GENHD_FL_UP;
blk_register_region(MKDEV(disk->major, disk->first_minor),
@@ -193,7 +194,8 @@ void add_disk(struct gendisk *disk)
bdi = &disk->queue->backing_dev_info;
bdi_register_dev(bdi, MKDEV(disk->major, disk->first_minor));
- sysfs_create_link(&disk->dev.kobj, &bdi->dev->kobj, "bdi");
+ retval = sysfs_create_link(&disk->dev.kobj, &bdi->dev->kobj, "bdi");
+ WARN_ON(retval);
}
EXPORT_SYMBOL(add_disk);