When the requested PTP feature is not supported, ixgbe_ptp_feature_enable() returns -ENOTSUPP, causing userland programs to get "Unknown error 524". Since EOPNOTSUPP should be used when error is propagated to userland, return -EOPNOTSUPP instead of -ENOTSUPP. Fixes: 3a6a4edaa592 ("ixgbe: Hardware Timestamping + PTP Hardware Clock (PHC)") Signed-off-by: Kohei Enju --- drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c index 114dd88fc71c..6885d2343c48 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c @@ -641,7 +641,7 @@ static int ixgbe_ptp_feature_enable(struct ptp_clock_info *ptp, * disabled */ if (rq->type != PTP_CLK_REQ_PPS || !adapter->ptp_setup_sdp) - return -ENOTSUPP; + return -EOPNOTSUPP; if (on) adapter->flags2 |= IXGBE_FLAG2_PTP_PPS_ENABLED; -- 2.48.1