ipv4: Compute net once in ip_forward_finish

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index ba2f66b..95235c8 100644 (file)
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -63,10 +63,11 @@ static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu)
 
 static int ip_forward_finish(struct sock *sk, struct sk_buff *skb)
 {
+       struct net *net = dev_net(skb_dst(skb)->dev);
        struct ip_options *opt  = &(IPCB(skb)->opt);
 
-       IP_INC_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
-       IP_ADD_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTOCTETS, skb->len);
+       IP_INC_STATS_BH(net, IPSTATS_MIB_OUTFORWDATAGRAMS);
+       IP_ADD_STATS_BH(net, IPSTATS_MIB_OUTOCTETS, skb->len);
 
        if (unlikely(opt->optlen))
                ip_forward_options(skb);