diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index c8a5c434ad2c..08e69d31dbaa 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2712,8 +2712,8 @@ static int cxgb_set_tx_maxrate(struct net_device *dev, int index, u32 rate)
 	return err;
 }
 
-int cxgb_setup_tc(struct net_device *dev, u32 handle, __be16 proto,
-		  struct tc_to_netdev *tc)
+static int cxgb_setup_tc(struct net_device *dev, u32 handle, __be16 proto,
+			 struct tc_to_netdev *tc)
 {
 	struct port_info *pi = netdev2pinfo(dev);
 	struct adapter *adap = netdev2adap(dev);