[PATCH] lightnvm: Switch to using the new API kobj_to_dev()

[Yang Li]

fixed the following coccicheck:
./drivers/nvme/host/lightnvm.c:1243:60-61: WARNING opportunity for
kobj_to_dev()

Reported-by: Abaci Robot <abaci at linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee at linux.alibaba.com>
---
 drivers/nvme/host/lightnvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index b705988..e3240d1 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -1240,7 +1240,7 @@ static ssize_t nvm_dev_attr_show_20(struct device *dev,
 static umode_t nvm_dev_attrs_visible(struct kobject *kobj,
 				     struct attribute *attr, int index)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct gendisk *disk = dev_to_disk(dev);
 	struct nvme_ns *ns = disk->private_data;
 	struct nvm_dev *ndev = ns->ndev;
-- 
1.8.3.1