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-rw-r--r--include/net/netns/dccp.h1
-rw-r--r--net/dccp/ipv6.c16
2 files changed, 9 insertions, 8 deletions
diff --git a/include/net/netns/dccp.h b/include/net/netns/dccp.h
index e4f16faa898a..98d2a7ce1f71 100644
--- a/include/net/netns/dccp.h
+++ b/include/net/netns/dccp.h
@@ -5,6 +5,7 @@ struct sock;
struct netns_dccp {
struct sock *v4_ctl_sk;
+ struct sock *v6_ctl_sk;
};
#endif
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 2ca52913f4be..109dab3550f2 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -33,8 +33,7 @@
#include "ipv6.h"
#include "feat.h"
-/* Socket used for sending RSTs and ACKs */
-static struct sock *dccp_v6_ctl_sk;
+/* dccp_v6_ctl_sk is used for sending RSTs and ACKs */
static struct inet_connection_sock_af_ops dccp_ipv6_mapped;
static struct inet_connection_sock_af_ops dccp_ipv6_af_ops;
@@ -296,6 +295,7 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
struct ipv6hdr *rxip6h;
struct sk_buff *skb;
struct flowi fl;
+ struct sock *ctl_sk = init_net.dccp.v6_ctl_sk;
if (dccp_hdr(rxskb)->dccph_type == DCCP_PKT_RESET)
return;
@@ -303,7 +303,7 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
if (!ipv6_unicast_destination(rxskb))
return;
- skb = dccp_ctl_make_reset(dccp_v6_ctl_sk, rxskb);
+ skb = dccp_ctl_make_reset(ctl_sk, rxskb);
if (skb == NULL)
return;
@@ -322,9 +322,9 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
security_skb_classify_flow(rxskb, &fl);
/* sk = NULL, but it is safe for now. RST socket required. */
- if (!ip6_dst_lookup(dccp_v6_ctl_sk, &skb->dst, &fl)) {
+ if (!ip6_dst_lookup(ctl_sk, &skb->dst, &fl)) {
if (xfrm_lookup(&skb->dst, &fl, NULL, 0) >= 0) {
- ip6_xmit(dccp_v6_ctl_sk, skb, &fl, NULL, 0);
+ ip6_xmit(ctl_sk, skb, &fl, NULL, 0);
DCCP_INC_STATS_BH(DCCP_MIB_OUTSEGS);
DCCP_INC_STATS_BH(DCCP_MIB_OUTRSTS);
return;
@@ -1198,7 +1198,7 @@ static int __init dccp_v6_init(void)
inet6_register_protosw(&dccp_v6_protosw);
- err = inet_ctl_sock_create(&dccp_v6_ctl_sk, PF_INET6,
+ err = inet_ctl_sock_create(&init_net.dccp.v6_ctl_sk, PF_INET6,
SOCK_DCCP, IPPROTO_DCCP, &init_net);
if (err != 0)
goto out_unregister_protosw;
@@ -1210,7 +1210,7 @@ out:
return err;
out_destroy_ctl_sock:
- inet_ctl_sock_destroy(dccp_v6_ctl_sk);
+ inet_ctl_sock_destroy(init_net.dccp.v6_ctl_sk);
out_unregister_protosw:
inet6_del_protocol(&dccp_v6_protocol, IPPROTO_DCCP);
inet6_unregister_protosw(&dccp_v6_protosw);
@@ -1222,7 +1222,7 @@ out_unregister_proto:
static void __exit dccp_v6_exit(void)
{
unregister_pernet_subsys(&dccp_v6_ops);
- inet_ctl_sock_destroy(dccp_v6_ctl_sk);
+ inet_ctl_sock_destroy(init_net.dccp.v6_ctl_sk);
inet6_del_protocol(&dccp_v6_protocol, IPPROTO_DCCP);
inet6_unregister_protosw(&dccp_v6_protosw);
proto_unregister(&dccp_v6_prot);