[PATCH] tools/testing/nvdimm: Use kobj_to_dev() API

[zhouchuangao]

Use kobj_to_dev() API instead of container_of().

Signed-off-by: zhouchuangao <zhouchuangao@xxxxxxxx>
---
 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 DEVICE_ATTR_RO(format1);
 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);
 
-- 
2.7.4