[PATCH] mmc: block: use kobj_to_dev()

[cgel . zte]

From: Minghao Chi <chi.minghao@xxxxxxxxxx>

Use kobj_to_dev() instead of open-coding it.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx>
---
 drivers/mmc/core/block.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index b35e7a95798b..983151b7296d 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -330,7 +330,7 @@ static struct attribute *mmc_disk_attrs[] = {
 static umode_t mmc_disk_attrs_is_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 mmc_blk_data *md = mmc_blk_get(dev_to_disk(dev));
 	umode_t mode = a->mode;
 
-- 
2.25.1