netdev - [PATCH 4/8] ipvs: reset ipvs pointer in netns

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Date:	Mon, 30 Apr 2012 17:16:51 +0200
From:	pablo@...filter.org
To:	netfilter-devel@...r.kernel.org
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 4/8] ipvs: reset ipvs pointer in netns

From: Julian Anastasov <ja@....bg>

	Make sure net->ipvs is reset on netns cleanup or failed
initialization. It is needed for IPVS applications to know that
IPVS core is not loaded in netns.

Signed-off-by: Julian Anastasov <ja@....bg>
Acked-by: Hans Schillstrom <hans.schillstrom@...csson.com>
Signed-off-by: Simon Horman <horms@...ge.net.au>
---
 net/netfilter/ipvs/ip_vs_core.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 2555816..260b9ef 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1924,6 +1924,7 @@ protocol_fail:
 control_fail:
 	ip_vs_estimator_net_cleanup(net);
 estimator_fail:
+	net->ipvs = NULL;
 	return -ENOMEM;
 }
 
@@ -1936,6 +1937,7 @@ static void __net_exit __ip_vs_cleanup(struct net *net)
 	ip_vs_control_net_cleanup(net);
 	ip_vs_estimator_net_cleanup(net);
 	IP_VS_DBG(2, "ipvs netns %d released\n", net_ipvs(net)->gen);
+	net->ipvs = NULL;
 }
 
 static void __net_exit __ip_vs_dev_cleanup(struct net *net)
-- 
1.7.9.5

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