[PATCH net-next] net: hns: Fix for __udivdi3 compiler error

[Yunsheng Lin]

This patch fixes the __udivdi3 undefined error reported by
test robot.

Fixes: b8c17f708831 ("net: hns: Add self-adaptive interrupt coalesce support in 
hns driver")
Signed-off-by: Yunsheng Lin <linyunsh...@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns/hns_enet.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c 
b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index 832f277..3652063 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -847,7 +847,8 @@ static void hns_update_rx_rate(struct hnae_ring *ring)
 
        total_bytes = ring->stats.rx_bytes - ring->coal_last_rx_bytes;
        time_passed_ms = jiffies_to_msecs(jiffies - ring->coal_last_jiffies);
-       ring->coal_rx_rate = (total_bytes / time_passed_ms) >> 10;
+       do_div(total_bytes, time_passed_ms);
+       ring->coal_rx_rate = total_bytes >> 10;
 
        ring->coal_last_rx_bytes = ring->stats.rx_bytes;
        ring->coal_last_jiffies = jiffies;
-- 
1.9.1