Re: [PATCH net-next v7 2/5] net: phy: microchip_rds_ptp : Add rds ptp library for Microchip phys

Jakub Kicinski
2024-12-18T03:22:47Z

On Fri, 13 Dec 2024 17:44:00 +0530 Divya Koppera wrote:
> +
> +static int mchp_rds_ptp_ts_info(struct mii_timestamper *mii_ts,
> + struct kernel_ethtool_ts_info *info)
> +{
> + struct mchp_rds_ptp_clock *clock = container_of(mii_ts,
> + struct mchp_rds_ptp_clock,
> + mii_ts);
> +
> + info->phc_index =
> + clock->ptp_clock ? ptp_clock_index(clock->ptp_clock) : -1;

under what condition can the clock be NULL?

> + if (info->phc_index == -1)
> + return 0;