diff options
Diffstat (limited to 'drivers/net/phy/phy.c')
| -rw-r--r-- | drivers/net/phy/phy.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 785182fa5fe0..cba3af926429 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1089,7 +1089,10 @@ int phy_ethtool_ksettings_set(struct phy_device *phydev, if (autoneg != AUTONEG_ENABLE && autoneg != AUTONEG_DISABLE) return -EINVAL; - if (autoneg == AUTONEG_ENABLE && linkmode_empty(advertising)) + if (autoneg == AUTONEG_ENABLE && + (linkmode_empty(advertising) || + !linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, + phydev->supported))) return -EINVAL; if (autoneg == AUTONEG_DISABLE && |