netdev - [PATCH] conntrack: fix sysctl memory leak

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Message-ID: <20110310101422.62006620@nehalam>
Date:	Thu, 10 Mar 2011 10:14:22 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Patrick McHardy <kaber@...sh.net>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Cc:	netfilter-devel@...r.kernel.org
Subject: [PATCH] conntrack: fix sysctl memory leak

Message in log because sysctl table was not empty at netns exit
 WARNING: at net/sysctl_net.c:84 sysctl_net_exit+0x2a/0x2c()

Instrumenting showed that the nf_conntrack_timestamp was the entry
that was being created but not cleared.

Signed-off-by: Stephen Hemminger <shemminger@...tta.com>

--- a/net/netfilter/nf_conntrack_core.c	2011-03-10 09:42:10.656565623 -0800
+++ b/net/netfilter/nf_conntrack_core.c	2011-03-10 09:42:30.652821904 -0800
@@ -1301,6 +1301,7 @@ static void nf_conntrack_cleanup_net(str
 
 	nf_ct_free_hashtable(net->ct.hash, net->ct.htable_size);
 	nf_conntrack_ecache_fini(net);
+	nf_conntrack_tstamp_fini(net);
 	nf_conntrack_acct_fini(net);
 	nf_conntrack_expect_fini(net);
 	kmem_cache_destroy(net->ct.nf_conntrack_cachep);
--
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