net/mlx4_en: Change the error print to debug print

commit 505a9249 upstream.

The error print within mlx4_en_calc_rx_buf() should be a debug print.

Fixes: 51151a16 ('mlx4: allow order-0 memory allocations in RX path')
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

drivers/net/ethernet/mellanox/mlx4/en_rx.c

@@ -993,7 +993,8 @@ void mlx4_en_calc_rx_buf(struct net_device *dev)
 	en_dbg(DRV, priv, "Rx buffer scatter-list (effective-mtu:%d num_frags:%d):\n",
 	       eff_mtu, priv->num_frags);
 	for (i = 0; i < priv->num_frags; i++) {
-		en_err(priv,
+		en_dbg(DRV,
+		       priv,
 		       "  frag:%d - size:%d prefix:%d align:%d stride:%d\n",
 		       i,
 		       priv->frag_info[i].frag_size,