net: ethernet: mediatek: enhance with avoiding superfluous assignment inside mtk_get_...

data_src is unchanged inside the loop, so this patch moves
the assignment to outside the loop to avoid unnecessarily
assignment

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 481f3609a1ea23a5bc727a173528696d2ea59ac2..ca6b5013e27541bf01a66fdb7a63912e492fde5a 100644 (file)
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2137,8 +2137,9 @@ static void mtk_get_ethtool_stats(struct net_device *dev,
                }
        }
 
+       data_src = (u64 *)hwstats;
+
        do {
-               data_src = (u64 *)hwstats;
                data_dst = data;
                start = u64_stats_fetch_begin_irq(&hwstats->syncp);