Re: [PATCH 3/4] nvmem: imx-ocotp: Support accessing controller for i.MX8M Nano

[Krzysztof Kozlowski <krzk@kernel.org>]

On 30/01/2025 14:01, Alexander Stein wrote:
> +
> +static int imx_ocotp_grant_access(struct ocotp_priv *priv, struct device_node *parent)
> +{
> +	struct device *dev = priv->dev;
> +
> +	for_each_available_child_of_node_scoped(parent, child) {
> +		struct of_phandle_args args;
> +		u32 id, idx = 0;
> +
> +		while (!of_parse_phandle_with_args(child, "access-controllers",
> +						   "#access-controller-cells",
> +						   idx++, &args)) {
> +			of_node_put(args.np);
> +			if (args.np != dev->of_node)

You are using args.np after dropping the reference.

> +				continue;
> +
> +			/* Only support one cell */
> +			if (args.args_count != 1) {
> +				dev_err(dev, "wrong args count\n");
> +				continue;
> +			}
> +


Best regards,
Krzysztof