diff options
Diffstat (limited to 'drivers/net/ethernet/renesas/ravb_ptp.c')
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb_ptp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_ptp.c b/drivers/net/ethernet/renesas/ravb_ptp.c index 9a42580693cb..638f1fc2166f 100644 --- a/drivers/net/ethernet/renesas/ravb_ptp.c +++ b/drivers/net/ethernet/renesas/ravb_ptp.c @@ -211,6 +211,10 @@ static int ravb_ptp_perout(struct ptp_clock_info *ptp, unsigned long flags; int error = 0; + /* Reject requests with unsupported flags */ + if (req->flags) + return -EOPNOTSUPP; + if (req->index) return -EINVAL; |