From a47b4300801978745bca9fd08d848b9024eed797 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Mon, 21 Sep 2015 13:02:00 -0500 Subject: [PATCH] ipvs: Cache ipvs in ip_vs_in_icmp and ip_vs_in_icmp_v6 Storte the value of net_ipvs in a variable named ipvs so that when there are more users struct netns_ipvs in ip_vs_in_cmp and ip_vs_in_icmp_v6 they won't need to compute the value again. Signed-off-by: "Eric W. Biederman" Acked-by: Julian Anastasov Signed-off-by: Simon Horman --- net/netfilter/ipvs/ip_vs_core.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index 787d561e200b..77dcd3ed27de 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -1403,6 +1403,7 @@ static int ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum) { struct net *net = NULL; + struct netns_ipvs *ipvs; struct iphdr *iph; struct icmphdr _icmph, *ic; struct iphdr _ciph, *cih; /* The ip header contained within the ICMP */ @@ -1452,6 +1453,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum) return NF_ACCEPT; /* The packet looks wrong, ignore */ net = skb_net(skb); + ipvs = net_ipvs(net); /* Special case for errors for IPIP packets */ ipip = false; @@ -1493,7 +1495,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum) if (!cp) { int v; - if (!sysctl_schedule_icmp(net_ipvs(net))) + if (!sysctl_schedule_icmp(ipvs)) return NF_ACCEPT; if (!ip_vs_try_to_schedule(AF_INET, skb, pd, &v, &cp, &ciph)) @@ -1589,6 +1591,7 @@ static int ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum, struct ip_vs_iphdr *iph) { struct net *net = NULL; + struct netns_ipvs *ipvs; struct icmp6hdr _icmph, *ic; struct ip_vs_iphdr ciph = {.flags = 0, .fragoffs = 0};/*Contained IP */ struct ip_vs_conn *cp; @@ -1629,6 +1632,7 @@ static int ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, return NF_ACCEPT; net = skb_net(skb); + ipvs = net_ipvs(net); pd = ip_vs_proto_data_get(net, ciph.protocol); if (!pd) return NF_ACCEPT; @@ -1649,7 +1653,7 @@ static int ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, if (!cp) { int v; - if (!sysctl_schedule_icmp(net_ipvs(net))) + if (!sysctl_schedule_icmp(ipvs)) return NF_ACCEPT; if (!ip_vs_try_to_schedule(AF_INET6, skb, pd, &v, &cp, &ciph)) -- 2.30.2