From: Fuyun Liang <liangfuy...@huawei.com>
when changing MTU, The new MTU must need to be set to netdevice.
Fixes: a8e8b7ff3517 ("net: hns3: Add support to change MTU in HNS3 hardware")
Signed-off-by: Fuyun Liang <liangfuy...@huawei.com>
Signed-off-by: Peng Li <lipeng...@huawei.com>
---
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index eb9ac53..b23107d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -1413,6 +1413,8 @@ static int hns3_nic_change_mtu(struct net_device *netdev,
int new_mtu)
return ret;
}
+ netdev->mtu = new_mtu;
+
/* if the netdev was running earlier, bring it up again */
if (if_running && hns3_nic_net_open(netdev))
ret = -EINVAL;
--
1.9.1
