netdev - [PATCH] ipvs: Remove possibly unused net variable from ip_vs

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Message-Id: <1444119324-5653-1-git-send-email-horms@verge.net.au>
Date:	Tue,  6 Oct 2015 17:15:24 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	lvs-devel@...r.kernel.org
Cc:	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	Wensong Zhang <wensong@...ux-vs.org>,
	Julian Anastasov <ja@....bg>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Simon Horman <horms@...ge.net.au>
Subject: [PATCH] ipvs: Remove possibly unused net variable from ip_vs_out

Since 6f2bcea9917d ("ipvs: Pass ipvs into ip_vs_in_icmp and
ip_vs_in_icmp_v6") the net variable in ip_vs_out() appears to be unused
unless CONFIG_IP_VS_IPV6 is set. To resolve this remove the net variable
and dereference net asneeded.

Signed-off-by: Simon Horman <horms@...ge.net.au>
---
 net/netfilter/ipvs/ip_vs_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index d08df435c2aa..3773154d9b71 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1172,7 +1172,6 @@ drop:
 static unsigned int
 ip_vs_out(struct netns_ipvs *ipvs, unsigned int hooknum, struct sk_buff *skb, int af)
 {
-	struct net *net = ipvs->net;
 	struct ip_vs_iphdr iph;
 	struct ip_vs_protocol *pp;
 	struct ip_vs_proto_data *pd;
@@ -1272,7 +1271,7 @@ ip_vs_out(struct netns_ipvs *ipvs, unsigned int hooknum, struct sk_buff *skb, in
 #ifdef CONFIG_IP_VS_IPV6
 				if (af == AF_INET6) {
 					if (!skb->dev)
-						skb->dev = net->loopback_dev;
+						skb->dev = ipvs->net->loopback_dev;
 					icmpv6_send(skb,
 						    ICMPV6_DEST_UNREACH,
 						    ICMPV6_PORT_UNREACH,
-- 
2.1.4

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