net: stmmac: simplify the return tc_delete_knode()

Simplify the return expression.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c

@@ -209,17 +209,11 @@ static int tc_config_knode(struct stmmac_priv *priv,
 static int tc_delete_knode(struct stmmac_priv *priv,
 			   struct tc_cls_u32_offload *cls)
 {
-	int ret;
-
 	/* Set entry and fragments as not used */
 	tc_unfill_entry(priv, cls);
 
-	ret = stmmac_rxp_config(priv, priv->hw->pcsr, priv->tc_entries,
-			priv->tc_entries_max);
-	if (ret)
-		return ret;
-
-	return 0;
+	return stmmac_rxp_config(priv, priv->hw->pcsr, priv->tc_entries,
+				 priv->tc_entries_max);
 }
 
 static int tc_setup_cls_u32(struct stmmac_priv *priv,