[PATCH net-next] net: ethernet: mediatek: enhance with avoiding superfluous assignment inside mtk_get_ethtool_stats

From: Sean Wang <sean.wang@mediatek.com>

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>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 481f360..ca6b501 100644
--- 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);
 

-- 
1.9.1

From: <sean.wang@mediatek.com>
Date: Tue, 20 Sep 2016 11:26:48 +0800

From: Sean Wang <sean.wang@mediatek.com>

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>

Applied.