[PATCH net v2 3/3] qede: Fix possible misconfiguration of advertised autoneg value.

[Sudarsana Reddy Kalluru]

Fail the configuration of advertised speed-autoneg value if the config
update is not supported.

Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kall...@cavium.com>
Signed-off-by: Yuval Mintz <yuval.mi...@cavium.com>
---
 drivers/net/ethernet/qlogic/qede/qede_ethtool.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c 
b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index b22753c..172b292 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -493,6 +493,11 @@ static int qede_set_link_ksettings(struct net_device *dev,
        params.override_flags |= QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS;
        params.override_flags |= QED_LINK_OVERRIDE_SPEED_AUTONEG;
        if (base->autoneg == AUTONEG_ENABLE) {
+               if (!(current_link.supported_caps & QED_LM_Autoneg_BIT)) {
+                       DP_INFO(edev, "Auto negotiation is not supported\n");
+                       return -EOPNOTSUPP;
+               }
+
                params.autoneg = true;
                params.forced_speed = 0;
                QEDE_ETHTOOL_TO_DRV_CAPS(params.adv_speeds, cmd, advertising)
-- 
1.8.3.1