# \[PATCH\] drivers/input/keyboard/cros\_ec\_keyb: Use kobj\_to\_dev() API

- From: zhouchuangao \<hidden\>
- Date: 2021-06-18 14:08:43 
- List: linux-input
- Page: https://ratatoskr.run/linux-input/2021/06/1419249
- Thread: https://ratatoskr.run/linux-input/2021/06/1419249/t.md

```text
Use kobj_to_dev() API instead of container_of().

Signed-off-by: zhouchuangao <redacted>
---
 drivers/input/keyboard/cros_ec_keyb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
index 38457d9..fc02c54 100644
--- a/drivers/input/keyboard/cros_ec_keyb.c
+++ b/drivers/input/keyboard/cros_ec_keyb.c
@@ -644,7 +644,7 @@ static umode_t cros_ec_keyb_attr_is_visible(struct kobject *kobj,
 					    struct attribute *attr,
 					    int n)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct cros_ec_keyb *ckdev = dev_get_drvdata(dev);
 
 	if (attr == &dev_attr_function_row_physmap.attr &&
-- 
2.7.4

```