net: hns3: fix for changing MTU
when changing MTU, The new MTU must need to be set to netdevice.
Fixes: a8e8b7ff35
("net: hns3: Add support to change MTU in HNS3 hardware")
Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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2866ccb2b8
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5bad95a1e5
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@ -1413,6 +1413,8 @@ static int hns3_nic_change_mtu(struct net_device *netdev, int new_mtu)
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return ret;
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}
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netdev->mtu = new_mtu;
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/* if the netdev was running earlier, bring it up again */
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if (if_running && hns3_nic_net_open(netdev))
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ret = -EINVAL;
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