diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2015-10-07 16:48:41 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-10-08 04:26:59 -0700 |
| commit | f859b0f662493e4f53d462f5759e3c4302933077 (patch) | |
| tree | 6846a844be6dcfa407d4efcd5b3393d1f203c66a /net | |
| parent | 792883303cdb3a7edd16017d7aba53926189ef41 (diff) | |
ipv4: Cache net in iptunnel_xmit
Store net in a variable in ip_tunnel_xmit so it does not need
to be recomputed when it is used again.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/ip_tunnel_core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 8d85ecd1ced5..caef8e2c281d 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -53,6 +53,7 @@ int iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb, __u8 tos, __u8 ttl, __be16 df, bool xnet) { int pkt_len = skb->len - skb_inner_network_offset(skb); + struct net *net = dev_net(rt->dst.dev); struct iphdr *iph; int err; @@ -76,8 +77,7 @@ int iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb, iph->daddr = dst; iph->saddr = src; iph->ttl = ttl; - __ip_select_ident(dev_net(rt->dst.dev), iph, - skb_shinfo(skb)->gso_segs ?: 1); + __ip_select_ident(net, iph, skb_shinfo(skb)->gso_segs ?: 1); err = ip_local_out(sk, skb); if (unlikely(net_xmit_eval(err))) |