Re: [PATCH] chrome: Use kobj_to_dev() instead

From: Guenter Roeck
Date: Sat Sep 26 2020 - 13:12:02 EST


On Sat, Sep 26, 2020 at 12:03 AM Wang Qing <wangqing@xxxxxxxx> wrote:
>
> Use kobj_to_dev() instead of container_of().
>
> Signed-off-by: Wang Qing <wangqing@xxxxxxxx>

Reviewed-by: Guenter Roeck <groeck@xxxxxxxxxxxx>

> ---
> drivers/platform/chrome/cros_ec_sysfs.c | 2 +-
> drivers/platform/chrome/cros_ec_vbc.c | 4 ++--
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/platform/chrome/cros_ec_sysfs.c b/drivers/platform/chrome/cros_ec_sysfs.c
> index d45ea5d..a643ea8
> --- a/drivers/platform/chrome/cros_ec_sysfs.c
> +++ b/drivers/platform/chrome/cros_ec_sysfs.c
> @@ -326,7 +326,7 @@ static struct attribute *__ec_attrs[] = {
> static umode_t cros_ec_ctrl_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 cros_ec_dev *ec = to_cros_ec_dev(dev);
>
> if (a == &dev_attr_kb_wake_angle.attr && !ec->has_kb_wake_angle)
> diff --git a/drivers/platform/chrome/cros_ec_vbc.c b/drivers/platform/chrome/cros_ec_vbc.c
> index 46482d1..f3a70a3
> --- a/drivers/platform/chrome/cros_ec_vbc.c
> +++ b/drivers/platform/chrome/cros_ec_vbc.c
> @@ -17,7 +17,7 @@ static ssize_t vboot_context_read(struct file *filp, struct kobject *kobj,
> struct bin_attribute *att, char *buf,
> loff_t pos, size_t count)
> {
> - struct device *dev = container_of(kobj, struct device, kobj);
> + struct device *dev = kobj_to_dev(kobj);
> struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> struct cros_ec_device *ecdev = ec->ec_dev;
> struct ec_params_vbnvcontext *params;
> @@ -57,7 +57,7 @@ static ssize_t vboot_context_write(struct file *filp, struct kobject *kobj,
> struct bin_attribute *attr, char *buf,
> loff_t pos, size_t count)
> {
> - struct device *dev = container_of(kobj, struct device, kobj);
> + struct device *dev = kobj_to_dev(kobj);
> struct cros_ec_dev *ec = to_cros_ec_dev(dev);
> struct cros_ec_device *ecdev = ec->ec_dev;
> struct ec_params_vbnvcontext *params;
> --
> 2.7.4
>