diff options
Diffstat (limited to 'drivers/ptp/ptp_clock.c')
| -rw-r--r-- | drivers/ptp/ptp_clock.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c index ef020599b771..b0e167c0b3eb 100644 --- a/drivers/ptp/ptp_clock.c +++ b/drivers/ptp/ptp_clock.c @@ -322,7 +322,9 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, char debugfsname[16]; size_t size; - if (info->n_alarm > PTP_MAX_ALARMS) + if (WARN_ON_ONCE(info->n_alarm > PTP_MAX_ALARMS || + (!info->gettimex64 && !info->gettime64) || + !info->settime64)) return ERR_PTR(-EINVAL); /* Initialize a clock structure. */ |