[PATCH net-next v4 4/9] dpll: netlink: Add DPLL framework base functions

[Jakub Kicinski]

On Fri, 11 Aug 2023 21:03:35 +0100 Vadim Fedorenko wrote:
> +static int
> +dpll_pin_freq_set(struct dpll_pin *pin, struct nlattr *a,
> +		  struct netlink_ext_ack *extack)
> +{
> +	u64 freq = nla_get_u64(a);
> +	struct dpll_pin_ref *ref;
> +	unsigned long i;
> +	int ret;
> +
> +	if (!dpll_pin_is_freq_supported(pin, freq)) {
> +		NL_SET_ERR_MSG_FMT(extack, "not supported freq:%llu", freq);
> +		return -EINVAL;
> +	}

NL_SET_ERR_MSG_ATTR(extack, a, "frequency not supported by the device")