Re: [PATCH v1 14/19] pinctrl: st: Use temporary variable for struct device

From: Joe Perches
Date: Sat Nov 06 2021 - 03:50:36 EST


On Fri, 2021-11-05 at 14:42 +0200, Andy Shevchenko wrote:
> Use temporary variable for struct device to make code neater.
[]
> diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
[]
> @@ -814,26 +814,25 @@ static int st_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
> {
> struct st_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
> const struct st_pctl_group *grp;
> + struct device *dev = info->dev;
[]
> - new_map = devm_kcalloc(pctldev->dev,
> - map_num, sizeof(*new_map), GFP_KERNEL);
> + new_map = devm_kcalloc(dev, map_num, sizeof(*new_map), GFP_KERNEL);

Are pctldev->dev and dev the same pointer?
It seems they are not.
Why reassign the ownership?