netdev - netfilter 11/62: xt_connlimit: netns support

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Message-Id: <20100216145532.2796.28088.sendpatchset@x2.localnet>
Date:	Tue, 16 Feb 2010 15:55:35 +0100 (MET)
From:	Patrick McHardy <kaber@...sh.net>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, Patrick McHardy <kaber@...sh.net>,
	netfilter-devel@...r.kernel.org
Subject: netfilter 11/62: xt_connlimit: netns support

commit 83fc81024bd8572f31db784f8c0079e999a4fa44
Author: Alexey Dobriyan <adobriyan@...il.com>
Date:   Mon Jan 18 08:07:50 2010 +0100

    netfilter: xt_connlimit: netns support
    
    Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
    Signed-off-by: Patrick McHardy <kaber@...sh.net>

diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c
index 8103bef..0d9d18e 100644
--- a/net/netfilter/xt_connlimit.c
+++ b/net/netfilter/xt_connlimit.c
@@ -90,7 +90,8 @@ same_source_net(const union nf_inet_addr *addr,
 	}
 }
 
-static int count_them(struct xt_connlimit_data *data,
+static int count_them(struct net *net,
+		      struct xt_connlimit_data *data,
 		      const struct nf_conntrack_tuple *tuple,
 		      const union nf_inet_addr *addr,
 		      const union nf_inet_addr *mask,
@@ -113,7 +114,7 @@ static int count_them(struct xt_connlimit_data *data,
 
 	/* check the saved connections */
 	list_for_each_entry_safe(conn, tmp, hash, list) {
-		found    = nf_conntrack_find_get(&init_net, &conn->tuple);
+		found    = nf_conntrack_find_get(net, &conn->tuple);
 		found_ct = NULL;
 
 		if (found != NULL)
@@ -171,6 +172,7 @@ static int count_them(struct xt_connlimit_data *data,
 static bool
 connlimit_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 {
+	struct net *net = dev_net(par->in ? par->in : par->out);
 	const struct xt_connlimit_info *info = par->matchinfo;
 	union nf_inet_addr addr;
 	struct nf_conntrack_tuple tuple;
@@ -195,7 +197,7 @@ connlimit_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 	}
 
 	spin_lock_bh(&info->data->lock);
-	connections = count_them(info->data, tuple_ptr, &addr,
+	connections = count_them(net, info->data, tuple_ptr, &addr,
 	                         &info->mask, par->family);
 	spin_unlock_bh(&info->data->lock);
 
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