[PATCH] libnvdimm: use kobj_to_dev()

[cgel . zte]

From: Minghao Chi <chi.ming...@zte.com.cn>

Use kobj_to_dev() instead of open-coding it.

Reported-by: Zeal Robot <zea...@zte.com.cn>
Signed-off-by: Minghao Chi <chi.ming...@zte.com.cn>
---
 drivers/nvdimm/namespace_devs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 62b83b2e26e3..e9f021da743c 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -1380,7 +1380,7 @@ static struct attribute *nd_namespace_attributes[] = {
 static umode_t namespace_visible(struct kobject *kobj,
                struct attribute *a, int n)
 {
-       struct device *dev = container_of(kobj, struct device, kobj);
+       struct device *dev = kobj_to_dev(kobj);
 
        if (is_namespace_pmem(dev)) {
                if (a == &dev_attr_size.attr)
-- 
2.25.1