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ipvlan: Cache net in ipvlan_process_v4_outbound and ipvlan_process_v6_outbound
Compute net once in ipvlan_process_v4_outbound and ipvlan_process_v6_outbound and store it in a variable so that net does not need to be recomputed next time it is used. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -344,6 +344,7 @@ static int ipvlan_process_v4_outbound(struct sk_buff *skb)
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{
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const struct iphdr *ip4h = ip_hdr(skb);
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struct net_device *dev = skb->dev;
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struct net *net = dev_net(dev);
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struct rtable *rt;
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int err, ret = NET_XMIT_DROP;
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struct flowi4 fl4 = {
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@ -354,7 +355,7 @@ static int ipvlan_process_v4_outbound(struct sk_buff *skb)
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.saddr = ip4h->saddr,
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};
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rt = ip_route_output_flow(dev_net(dev), &fl4, NULL);
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rt = ip_route_output_flow(net, &fl4, NULL);
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if (IS_ERR(rt))
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goto err;
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@ -381,6 +382,7 @@ static int ipvlan_process_v6_outbound(struct sk_buff *skb)
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{
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const struct ipv6hdr *ip6h = ipv6_hdr(skb);
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struct net_device *dev = skb->dev;
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struct net *net = dev_net(dev);
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struct dst_entry *dst;
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int err, ret = NET_XMIT_DROP;
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struct flowi6 fl6 = {
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@ -393,7 +395,7 @@ static int ipvlan_process_v6_outbound(struct sk_buff *skb)
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.flowi6_proto = ip6h->nexthdr,
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};
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dst = ip6_route_output(dev_net(dev), NULL, &fl6);
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dst = ip6_route_output(net, NULL, &fl6);
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if (dst->error) {
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ret = dst->error;
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dst_release(dst);
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