From: zhang kai <zhangkaiheb@126.com>
Date: Mon, 30 Sep 2019 13:14:55 +0800
Subject: ipvs: no need to update skb route entry for local destination
packets.
Patch-mainline: v5.5-rc1
Git-commit: c09b8970fb47b22c6cf1e03e494265540327f59d
References: bsc#1154353
In the end of function __ip_vs_get_out_rt/__ip_vs_get_out_rt_v6,the
'local' variable is always zero.
Signed-off-by: zhang kai <zhangkaiheb@126.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
net/netfilter/ipvs/ip_vs_xmit.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -407,12 +407,9 @@ __ip_vs_get_out_rt(struct netns_ipvs *ip
goto err_put;
skb_dst_drop(skb);
- if (noref) {
- if (!local)
- skb_dst_set_noref(skb, &rt->dst);
- else
- skb_dst_set(skb, dst_clone(&rt->dst));
- } else
+ if (noref)
+ skb_dst_set_noref(skb, &rt->dst);
+ else
skb_dst_set(skb, &rt->dst);
return local;
@@ -574,12 +571,9 @@ __ip_vs_get_out_rt_v6(struct netns_ipvs
goto err_put;
skb_dst_drop(skb);
- if (noref) {
- if (!local)
- skb_dst_set_noref(skb, &rt->dst);
- else
- skb_dst_set(skb, dst_clone(&rt->dst));
- } else
+ if (noref)
+ skb_dst_set_noref(skb, &rt->dst);
+ else
skb_dst_set(skb, &rt->dst);
return local;