diff options
Diffstat (limited to 'drivers/net/phy/phy.c')
| -rw-r--r-- | drivers/net/phy/phy.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index a5fa077650e8..d058316666ba 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -325,9 +325,13 @@ EXPORT_SYMBOL(phy_ethtool_ksettings_get); int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) { struct mii_ioctl_data *mii_data = if_mii(ifr); + struct kernel_hwtstamp_config kernel_cfg; + struct netlink_ext_ack extack = {}; u16 val = mii_data->val_in; bool change_autoneg = false; + struct hwtstamp_config cfg; int prtad, devad; + int ret; switch (cmd) { case SIOCGMIIPHY: @@ -411,8 +415,21 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) return 0; case SIOCSHWTSTAMP: - if (phydev->mii_ts && phydev->mii_ts->hwtstamp) - return phydev->mii_ts->hwtstamp(phydev->mii_ts, ifr); + if (phydev->mii_ts && phydev->mii_ts->hwtstamp) { + if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) + return -EFAULT; + + hwtstamp_config_to_kernel(&kernel_cfg, &cfg); + ret = phydev->mii_ts->hwtstamp(phydev->mii_ts, &kernel_cfg, &extack); + if (ret) + return ret; + + hwtstamp_config_from_kernel(&cfg, &kernel_cfg); + if (copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg))) + return -EFAULT; + + return 0; + } fallthrough; default: |