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authorEric W. Biederman <ebiederm@xmission.com>2015-09-15 20:04:02 -0500
committerDavid S. Miller <davem@davemloft.net>2015-09-17 17:18:34 -0700
commit38184b3b073bf588d809d3b2fb7370264357c289 (patch)
treeac6966240410c4a64bc22d8795a65e61beeb9b24 /net/ipv4/ip_input.c
parentipv4: Only compute net once in ip_finish_output2 (diff)
downloadlinux-dev-38184b3b073bf588d809d3b2fb7370264357c289.tar.xz
linux-dev-38184b3b073bf588d809d3b2fb7370264357c289.zip
ipv4: Only compute net once in ip_rcv_finish
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--net/ipv4/ip_input.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index ff908863f22e..cc242b9501d9 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -314,6 +314,7 @@ EXPORT_SYMBOL(sysctl_ip_early_demux);
static int ip_rcv_finish(struct sock *sk, struct sk_buff *skb)
{
const struct iphdr *iph = ip_hdr(skb);
+ struct net *net = dev_net(skb->dev);
struct rtable *rt;
if (sysctl_ip_early_demux && !skb_dst(skb) && !skb->sk) {
@@ -337,8 +338,7 @@ static int ip_rcv_finish(struct sock *sk, struct sk_buff *skb)
iph->tos, skb->dev);
if (unlikely(err)) {
if (err == -EXDEV)
- NET_INC_STATS_BH(dev_net(skb->dev),
- LINUX_MIB_IPRPFILTER);
+ NET_INC_STATS_BH(net, LINUX_MIB_IPRPFILTER);
goto drop;
}
}
@@ -359,11 +359,9 @@ static int ip_rcv_finish(struct sock *sk, struct sk_buff *skb)
rt = skb_rtable(skb);
if (rt->rt_type == RTN_MULTICAST) {
- IP_UPD_PO_STATS_BH(dev_net(rt->dst.dev), IPSTATS_MIB_INMCAST,
- skb->len);
+ IP_UPD_PO_STATS_BH(net, IPSTATS_MIB_INMCAST, skb->len);
} else if (rt->rt_type == RTN_BROADCAST)
- IP_UPD_PO_STATS_BH(dev_net(rt->dst.dev), IPSTATS_MIB_INBCAST,
- skb->len);
+ IP_UPD_PO_STATS_BH(net, IPSTATS_MIB_INBCAST, skb->len);
return dst_input(skb);