1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index a81338b501fb..6e1018448eea 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -675,6 +675,9 @@ static int rtl8169_set_speed_xmii(struct net_device *dev,
 
                 if (duplex == DUPLEX_HALF)
                         auto_nego &= ~(PHY_Cap_10_Full | PHY_Cap_100_Full);
+
+                if (duplex == DUPLEX_FULL)
+                        auto_nego &= ~(PHY_Cap_10_Half | PHY_Cap_100_Half);
         }
 
         tp->phy_auto_nego_reg = auto_nego;