net/mlx5e: Make use of netdev_warn()

to replace printk(KERN_WARNING ...) with netdev_warn() kindly
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

@@ -2702,7 +2702,9 @@ static int offload_pedit_fields(struct mlx5e_priv *priv,
 		if (s_mask && a_mask) {
 			NL_SET_ERR_MSG_MOD(extack,
 					   "can't set and add to the same HW field");
-			printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field);
+			netdev_warn(priv->netdev,
+				    "mlx5: can't set and add to the same HW field (%x)\n",
+				    f->field);
 			return -EOPNOTSUPP;
 		}
 
@@ -2741,8 +2743,9 @@ static int offload_pedit_fields(struct mlx5e_priv *priv,
 		if (first < next_z && next_z < last) {
 			NL_SET_ERR_MSG_MOD(extack,
 					   "rewrite of few sub-fields isn't supported");
-			printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n",
-			       mask);
+			netdev_warn(priv->netdev,
+				    "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n",
+				    mask);
 			return -EOPNOTSUPP;
 		}