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ipv4: Only compute net once in ip_finish_output2

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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman 2015-09-15 20:04:01 -05:00 committed by David S. Miller
parent 9479b0af48
commit 4ba1bf4292
1 changed files with 3 additions and 2 deletions
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5
net/ipv4/ip_output.c
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@ -177,14 +177,15 @@ static int ip_finish_output2(struct sock *sk, struct sk_buff *skb)
struct dst_entry *dst = skb_dst(skb);
struct rtable *rt = (struct rtable *)dst;
struct net_device *dev = dst->dev;
struct net *net = dev_net(dev);
unsigned int hh_len = LL_RESERVED_SPACE(dev);
struct neighbour *neigh;
u32 nexthop;
if (rt->rt_type == RTN_MULTICAST) {
IP_UPD_PO_STATS(dev_net(dev), IPSTATS_MIB_OUTMCAST, skb->len);
IP_UPD_PO_STATS(net, IPSTATS_MIB_OUTMCAST, skb->len);
} else if (rt->rt_type == RTN_BROADCAST)
IP_UPD_PO_STATS(dev_net(dev), IPSTATS_MIB_OUTBCAST, skb->len);
IP_UPD_PO_STATS(net, IPSTATS_MIB_OUTBCAST, skb->len);
/* Be paranoid, rather than too clever. */
if (unlikely(skb_headroom(skb) < hh_len && dev->header_ops)) {