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driver: ipvlan: Remove useless member mtu_adj of struct ipvl_dev
The mtu_adj is initialized to zero when alloc mem, there is no any assignment to mtu_adj. It is only used in ipvlan_adjust_mtu as one right value. So it is useless member of struct ipvl_dev, then remove it. Signed-off-by: Gao Feng <fgao@ikuai8.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -73,7 +73,6 @@ struct ipvl_dev {
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DECLARE_BITMAP(mac_filters, IPVLAN_MAC_FILTER_SIZE);
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netdev_features_t sfeatures;
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u32 msg_enable;
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u16 mtu_adj;
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};
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struct ipvl_addr {
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@ -32,7 +32,7 @@ static const struct l3mdev_ops ipvl_l3mdev_ops = {
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static void ipvlan_adjust_mtu(struct ipvl_dev *ipvlan, struct net_device *dev)
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{
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ipvlan->dev->mtu = dev->mtu - ipvlan->mtu_adj;
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ipvlan->dev->mtu = dev->mtu;
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}
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static int ipvlan_register_nf_hook(void)
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