[PATCH net-next v2 6/8] netfilter: nf_nat: register sip NAT helper.

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Signed-off-by: Flavio Leitner <fbl@xxxxxxxxxx>
---
 net/netfilter/nf_nat_sip.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

V2
  - defined NAT_HELPER_NAME for consistency.
  - C99 static change.
  - renamed the variables to be nat_helper.*

diff --git a/net/netfilter/nf_nat_sip.c b/net/netfilter/nf_nat_sip.c
index f1f007d9484c..464387b3600f 100644
--- a/net/netfilter/nf_nat_sip.c
+++ b/net/netfilter/nf_nat_sip.c
@@ -24,11 +24,15 @@
 #include <net/netfilter/nf_conntrack_seqadj.h>
 #include <linux/netfilter/nf_conntrack_sip.h>
 
+#define NAT_HELPER_NAME "sip"
+
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Christian Hentschel <chentschel@xxxxxxxxxxxx>");
 MODULE_DESCRIPTION("SIP NAT helper");
-MODULE_ALIAS_NF_NAT_HELPER("sip");
+MODULE_ALIAS_NF_NAT_HELPER(NAT_HELPER_NAME);
 
+static struct nf_conntrack_nat_helper nat_helper_sip =
+	NF_CT_NAT_HELPER_INIT(NAT_HELPER_NAME);
 
 static unsigned int mangle_packet(struct sk_buff *skb, unsigned int protoff,
 				  unsigned int dataoff,
@@ -656,8 +660,8 @@ static struct nf_ct_helper_expectfn sip_nat = {
 
 static void __exit nf_nat_sip_fini(void)
 {
+	nf_nat_helper_unregister(&nat_helper_sip);
 	RCU_INIT_POINTER(nf_nat_sip_hooks, NULL);
-
 	nf_ct_helper_expectfn_unregister(&sip_nat);
 	synchronize_rcu();
 }
@@ -675,6 +679,7 @@ static const struct nf_nat_sip_hooks sip_hooks = {
 static int __init nf_nat_sip_init(void)
 {
 	BUG_ON(nf_nat_sip_hooks != NULL);
+	nf_nat_helper_register(&nat_helper_sip);
 	RCU_INIT_POINTER(nf_nat_sip_hooks, &sip_hooks);
 	nf_ct_helper_expectfn_register(&sip_nat);
 	return 0;
-- 
2.20.1




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