Re: [PATCH v4 2/2] usb: typec: tps6598x: Export some power supply properties

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On Tue, Dec 1, 2020 at 2:59 PM Guido Günther <agx@xxxxxxxxxxx> wrote:
> This allows downstream supplies and userspace to detect
> whether external power is supplied.

...

> +static int devm_tps6598_psy_register(struct tps6598x *tps)
> +{
> +       struct power_supply_config psy_cfg = {};
> +       const char *port_dev_name = dev_name(tps->dev);

> +       size_t psy_name_len = strlen(tps6598x_psy_name_prefix) +
> +                                    strlen(port_dev_name) + 1;

I'm so sorry by not noticing this one...

> +       char *psy_name;
> +
> +       psy_cfg.drv_data = tps;
> +       psy_cfg.fwnode = dev_fwnode(tps->dev);
> +       psy_name = devm_kzalloc(tps->dev, psy_name_len, GFP_KERNEL);
> +       if (!psy_name)
> +               return -ENOMEM;
> +
> +       snprintf(psy_name, psy_name_len, "%s%s", tps6598x_psy_name_prefix,
> +                port_dev_name);

...followed by this.

Please, use devm_kasprintf() instead.

-- 
With Best Regards,
Andy Shevchenko




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