netfilter: nf_ct_helper: implement variable length helper private data

[mirror_ubuntu-disco-kernel.git] / net / netfilter / nf_conntrack_h323_main.c

diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 46d69d7f1bb4e15a3116c389131e23fd9a8d28d6..ed2199280527f7b36a0eafc7981dfe2105dcadb4 100644 (file)
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -114,7 +114,7 @@ static int get_tpkt_data(struct sk_buff *skb, unsigned int protoff,
                         struct nf_conn *ct, enum ip_conntrack_info ctinfo,
                         unsigned char **data, int *datalen, int *dataoff)
 {
-       struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info;
+       struct nf_ct_h323_master *info = nfct_help_data(ct);
        int dir = CTINFO2DIR(ctinfo);
        const struct tcphdr *th;
        struct tcphdr _tcph;
@@ -618,6 +618,7 @@ static const struct nf_conntrack_expect_policy h245_exp_policy = {
 static struct nf_conntrack_helper nf_conntrack_helper_h245 __read_mostly = {
        .name                   = "H.245",
        .me                     = THIS_MODULE,
+       .data_len               = sizeof(struct nf_ct_h323_master),
        .tuple.src.l3num        = AF_UNSPEC,
        .tuple.dst.protonum     = IPPROTO_UDP,
        .help                   = h245_help,
@@ -1170,6 +1171,7 @@ static struct nf_conntrack_helper nf_conntrack_helper_q931[] __read_mostly = {
        {
                .name                   = "Q.931",
                .me                     = THIS_MODULE,
+               .data_len               = sizeof(struct nf_ct_h323_master),
                .tuple.src.l3num        = AF_INET,
                .tuple.src.u.tcp.port   = cpu_to_be16(Q931_PORT),
                .tuple.dst.protonum     = IPPROTO_TCP,
@@ -1245,7 +1247,7 @@ static int expect_q931(struct sk_buff *skb, struct nf_conn *ct,
                       unsigned char **data,
                       TransportAddress *taddr, int count)
 {
-       struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info;
+       struct nf_ct_h323_master *info = nfct_help_data(ct);
        int dir = CTINFO2DIR(ctinfo);
        int ret = 0;
        int i;
@@ -1360,7 +1362,7 @@ static int process_rrq(struct sk_buff *skb, struct nf_conn *ct,
                       enum ip_conntrack_info ctinfo,
                       unsigned char **data, RegistrationRequest *rrq)
 {
-       struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info;
+       struct nf_ct_h323_master *info = nfct_help_data(ct);
        int ret;
        typeof(set_ras_addr_hook) set_ras_addr;
 
@@ -1395,7 +1397,7 @@ static int process_rcf(struct sk_buff *skb, struct nf_conn *ct,
                       enum ip_conntrack_info ctinfo,
                       unsigned char **data, RegistrationConfirm *rcf)
 {
-       struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info;
+       struct nf_ct_h323_master *info = nfct_help_data(ct);
        int dir = CTINFO2DIR(ctinfo);
        int ret;
        struct nf_conntrack_expect *exp;
@@ -1444,7 +1446,7 @@ static int process_urq(struct sk_buff *skb, struct nf_conn *ct,
                       enum ip_conntrack_info ctinfo,
                       unsigned char **data, UnregistrationRequest *urq)
 {
-       struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info;
+       struct nf_ct_h323_master *info = nfct_help_data(ct);
        int dir = CTINFO2DIR(ctinfo);
        int ret;
        typeof(set_sig_addr_hook) set_sig_addr;
@@ -1476,7 +1478,7 @@ static int process_arq(struct sk_buff *skb, struct nf_conn *ct,
                       enum ip_conntrack_info ctinfo,
                       unsigned char **data, AdmissionRequest *arq)
 {
-       const struct nf_ct_h323_master *info = &nfct_help(ct)->help.ct_h323_info;
+       const struct nf_ct_h323_master *info = nfct_help_data(ct);
        int dir = CTINFO2DIR(ctinfo);
        __be16 port;
        union nf_inet_addr addr;
@@ -1743,6 +1745,7 @@ static struct nf_conntrack_helper nf_conntrack_helper_ras[] __read_mostly = {
        {
                .name                   = "RAS",
                .me                     = THIS_MODULE,
+               .data_len               = sizeof(struct nf_ct_h323_master),
                .tuple.src.l3num        = AF_INET,
                .tuple.src.u.udp.port   = cpu_to_be16(RAS_PORT),
                .tuple.dst.protonum     = IPPROTO_UDP,
@@ -1752,6 +1755,7 @@ static struct nf_conntrack_helper nf_conntrack_helper_ras[] __read_mostly = {
        {
                .name                   = "RAS",
                .me                     = THIS_MODULE,
+               .data_len               = sizeof(struct nf_ct_h323_master),
                .tuple.src.l3num        = AF_INET6,
                .tuple.src.u.udp.port   = cpu_to_be16(RAS_PORT),
                .tuple.dst.protonum     = IPPROTO_UDP,