On Fri, Apr 12, 2019 at 8:01 AM Wen Yang wrote:
> The call to of_get_child_by_name returns a node pointer with refcount
> incremented thus it must be explicitly decremented after the last
> usage.
>
> Detected by coccinelle with the following warnings:
> ./drivers/pinctrl/pinctrl-pistachio.c:1422
> @@ -1367,6 +1367,7 @@ static int pistachio_gpio_register(struct
> pistachio_pinctrl *pctl)
> if (!of_find_property(child, "gpio-controller", NULL)) {
> dev_err(pctl->dev,
> "No gpio-controller property for bank %u\n", i);
> +
The call to of_get_child_by_name returns a node pointer with refcount
incremented thus it must be explicitly decremented after the last
usage.
Detected by coccinelle with the following warnings:
./drivers/pinctrl/pinctrl-pistachio.c:1422:1-7: ERROR: missing of_node_put;
acquired a node pointer wi
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