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

[Yang Li]

fixed the following coccicheck:
./tools/testing/nvdimm/test/ndtest.c:785:60-61: WARNING opportunity for
kobj_to_dev()

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx>
---
 tools/testing/nvdimm/test/ndtest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/nvdimm/test/ndtest.c b/tools/testing/nvdimm/test/ndtest.c
index 6862915..004a36f 100644
--- a/tools/testing/nvdimm/test/ndtest.c
+++ b/tools/testing/nvdimm/test/ndtest.c
@@ -782,7 +782,7 @@ static ssize_t format1_show(struct device *dev, struct device_attribute *attr,
 static umode_t ndtest_nvdimm_attr_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);
 	struct nvdimm *nvdimm = to_nvdimm(dev);
 	struct ndtest_dimm *dimm = nvdimm_provider_data(nvdimm);
 
-- 
1.8.3.1