diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 965af0a..f7e3482 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -1229,7 +1229,9 @@ static int swim3_attach(struct macio_dev *mdev,
 	disk->flags |= GENHD_FL_REMOVABLE;
 	sprintf(disk->disk_name, "fd%d", floppy_count);
 	set_capacity(disk, 2880);
-	add_disk(disk);
+	rc = add_disk(disk);
+	if (rc)
+		goto out_cleanup_disk;
 
 	disks[floppy_count++] = disk;
 	return 0;