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[09/24] sysctl: cookie: share ip6_frags_ns_ctl_table between nets

Message ID f415165e7e814190b379e6005ec8a305b151e415.1301711868.git.lucian.grijincu@gmail.com
State Deferred, archived
Delegated to: David Miller
Headers show

Commit Message

Lucian Adrian Grijincu April 2, 2011, 2:53 a.m. UTC 
Signed-off-by: Lucian Adrian Grijincu <lucian.grijincu@gmail.com>
---
 net/ipv6/reassembly.c |   34 ++++++----------------------------
 1 files changed, 6 insertions(+), 28 deletions(-)
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Patch

diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 07beeb0..405dc11 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -600,21 +600,21 @@  static struct ctl_table ip6_frags_ns_ctl_table[] = {
 		.data		= &init_net.ipv6.frags.high_thresh,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec
+		.proc_handler	= netns_proc_dointvec,
 	},
 	{
 		.procname	= "ip6frag_low_thresh",
 		.data		= &init_net.ipv6.frags.low_thresh,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec
+		.proc_handler	= netns_proc_dointvec,
 	},
 	{
 		.procname	= "ip6frag_time",
 		.data		= &init_net.ipv6.frags.timeout,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec_jiffies,
+		.proc_handler	= netns_proc_dointvec_jiffies,
 	},
 	{ }
 };
@@ -632,42 +632,20 @@  static struct ctl_table ip6_frags_ctl_table[] = {
 
 static int __net_init ip6_frags_ns_sysctl_register(struct net *net)
 {
-	struct ctl_table *table;
 	struct ctl_table_header *hdr;
 
-	table = ip6_frags_ns_ctl_table;
-	if (!net_eq(net, &init_net)) {
-		table = kmemdup(table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL);
-		if (table == NULL)
-			goto err_alloc;
-
-		table[0].data = &net->ipv6.frags.high_thresh;
-		table[1].data = &net->ipv6.frags.low_thresh;
-		table[2].data = &net->ipv6.frags.timeout;
-	}
-
-	hdr = register_net_sysctl_table(net, net_ipv6_ctl_path, table);
+	hdr = register_net_sysctl_table(net, net_ipv6_ctl_path,
+					ip6_frags_ns_ctl_table);
 	if (hdr == NULL)
-		goto err_reg;
+		return -ENOMEM;
 
 	net->ipv6.sysctl.frags_hdr = hdr;
 	return 0;
-
-err_reg:
-	if (!net_eq(net, &init_net))
-		kfree(table);
-err_alloc:
-	return -ENOMEM;
 }
 
 static void __net_exit ip6_frags_ns_sysctl_unregister(struct net *net)
 {
-	struct ctl_table *table;
-
-	table = net->ipv6.sysctl.frags_hdr->ctl_table_arg;
 	unregister_net_sysctl_table(net->ipv6.sysctl.frags_hdr);
-	if (!net_eq(net, &init_net))
-		kfree(table);
 }
 
 static struct ctl_table_header *ip6_ctl_header;