netdev - [PATCH 10/35] ipvs: Remove possibly unused variable from ip_vs

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Message-Id: <1445081590-2924-11-git-send-email-pablo@netfilter.org>
Date:	Sat, 17 Oct 2015 13:32:45 +0200
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	netfilter-devel@...r.kernel.org
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 10/35] ipvs: Remove possibly unused variable from ip_vs_out

From: David Ahern <dsa@...ulusnetworks.com>

Eric's net namespace changes in 1b75097dd7a26 leaves net unreferenced if
CONFIG_IP_VS_IPV6 is not enabled:

../net/netfilter/ipvs/ip_vs_core.c: In function ‘ip_vs_out’:
../net/netfilter/ipvs/ip_vs_core.c:1177:14: warning: unused variable ‘net’ [-Wunused-variable]

After the net refactoring there is only 1 user; push the reference to the
1 user. While the line length slightly exceeds 80 it seems to be the
best change.

Fixes: 1b75097dd7a26("ipvs: Pass ipvs into ip_vs_out")
Signed-off-by: David Ahern <dsa@...ulusnetworks.com>
Acked-by: Julian Anastasov <ja@....bg>
[horms: updated subject]
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 d08df43..3773154 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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