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[NETNS][DCCPV4]: Actually create ctl socket on each net and use it. 

Move the call to inet_ctl_sock_create to init callback (and
inet_ctl_sock_destroy to exit one) and use proper ctl sock
in dccp_v4_ctl_send_reset.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2008-04-13 22:29:59 -07:00 committed by David S. Miller
parent 7b1cffa8c9
commit b76c4b27fe
1 changed files with 8 additions and 10 deletions
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18
net/dccp/ipv4.c
View File

@ -505,7 +505,8 @@ static void dccp_v4_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
const struct iphdr *rxiph;
struct sk_buff *skb;
struct dst_entry *dst;
struct sock *ctl_sk = init_net.dccp.v4_ctl_sk;
struct net *net = dev_net(rxskb->dst->dev);
struct sock *ctl_sk = net->dccp.v4_ctl_sk;
/* Never send a reset in response to a reset. */
if (dccp_hdr(rxskb)->dccph_type == DCCP_PKT_RESET)
@ -991,11 +992,16 @@ static struct inet_protosw dccp_v4_protosw = {
static int dccp_v4_init_net(struct net *net)
{
return 0;
int err;
err = inet_ctl_sock_create(&net->dccp.v4_ctl_sk, PF_INET,
SOCK_DCCP, IPPROTO_DCCP, net);
return err;
}
static void dccp_v4_exit_net(struct net *net)
{
inet_ctl_sock_destroy(net->dccp.v4_ctl_sk);
}
static struct pernet_operations dccp_v4_ops = {
@ -1016,19 +1022,12 @@ static int __init dccp_v4_init(void)
inet_register_protosw(&dccp_v4_protosw);
err = inet_ctl_sock_create(&init_net.dccp.v4_ctl_sk, PF_INET,
SOCK_DCCP, IPPROTO_DCCP, &init_net);
if (err)
goto out_unregister_protosw;
err = register_pernet_subsys(&dccp_v4_ops);
if (err)
goto out_destroy_ctl_sock;
out:
return err;
out_destroy_ctl_sock:
inet_ctl_sock_destroy(init_net.dccp.v4_ctl_sk);
out_unregister_protosw:
inet_unregister_protosw(&dccp_v4_protosw);
inet_del_protocol(&dccp_v4_protocol, IPPROTO_DCCP);
out_proto_unregister:
@ -1039,7 +1038,6 @@ out_proto_unregister:
static void __exit dccp_v4_exit(void)
{
unregister_pernet_subsys(&dccp_v4_ops);
inet_ctl_sock_destroy(init_net.dccp.v4_ctl_sk);
inet_unregister_protosw(&dccp_v4_protosw);
inet_del_protocol(&dccp_v4_protocol, IPPROTO_DCCP);
proto_unregister(&dccp_v4_prot);