diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c
index 76290a8..f3ffc1d 100644
--- a/drivers/net/sc92031.c
+++ b/drivers/net/sc92031.c
@@ -1188,10 +1188,11 @@
 {
 	struct sc92031_priv *priv = netdev_priv(dev);
 	void __iomem *port_base = priv->port_base;
+	u32 speed = ethtool_cmd_speed(cmd);
 	u32 phy_ctrl;
 	u32 old_phy_ctrl;
 
-	if (!(cmd->speed == SPEED_10 || cmd->speed == SPEED_100))
+	if (!(speed == SPEED_10 || speed == SPEED_100))
 		return -EINVAL;
 	if (!(cmd->duplex == DUPLEX_HALF || cmd->duplex == DUPLEX_FULL))
 		return -EINVAL;
@@ -1229,7 +1230,7 @@
 		// FIXME: Whole branch guessed
 		phy_ctrl = 0;
 
-		if (cmd->speed == SPEED_10)
+		if (speed == SPEED_10)
 			phy_ctrl |= PhyCtrlSpd10;
 		else /* cmd->speed == SPEED_100 */
 			phy_ctrl |= PhyCtrlSpd100;