mlx4_en: going out of range of TX rings when reporting stats

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/mlx4/en_port.c

@@ -206,7 +206,7 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
 	}
 	stats->tx_packets = 0;
 	stats->tx_bytes = 0;
-	for (i = 0; i <= priv->tx_ring_num; i++) {
+	for (i = 0; i < priv->tx_ring_num; i++) {
 		stats->tx_packets += priv->tx_ring[i].packets;
 		stats->tx_bytes += priv->tx_ring[i].bytes;
 	}