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authorFlorian Westphal <fw@strlen.de>2017-11-07 07:20:07 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2018-01-08 16:47:14 +0100
commit39215846740a9f29ac7dac276f9df98135f39bb0 (patch)
treefcbb760bcf36fca86ade7710db910b31796212d6 /net/netfilter/nf_conntrack_proto_sctp.c
parentf66faae2f80a45feafc04ce63ef744ac4b6e8c05 (diff)
netfilter: conntrack: remove nlattr_size pointer from l4proto trackers
similar to previous commit, but instead compute this at compile time and turn nlattr_size into an u16. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nf_conntrack_proto_sctp.c')
-rw-r--r--net/netfilter/nf_conntrack_proto_sctp.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 80faf04ddf15..f5bff4de0386 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -578,6 +578,11 @@ static const struct nla_policy sctp_nla_policy[CTA_PROTOINFO_SCTP_MAX+1] = {
[CTA_PROTOINFO_SCTP_VTAG_REPLY] = { .type = NLA_U32 },
};
+#define SCTP_NLATTR_SIZE ( \
+ NLA_ALIGN(NLA_HDRLEN + 1) + \
+ NLA_ALIGN(NLA_HDRLEN + 4) + \
+ NLA_ALIGN(NLA_HDRLEN + 4))
+
static int nlattr_to_sctp(struct nlattr *cda[], struct nf_conn *ct)
{
struct nlattr *attr = cda[CTA_PROTOINFO_SCTP];
@@ -608,12 +613,6 @@ static int nlattr_to_sctp(struct nlattr *cda[], struct nf_conn *ct)
return 0;
}
-
-static int sctp_nlattr_size(void)
-{
- return nla_total_size(0) /* CTA_PROTOINFO_SCTP */
- + nla_policy_len(sctp_nla_policy, CTA_PROTOINFO_SCTP_MAX + 1);
-}
#endif
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
@@ -793,8 +792,8 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp4 __read_mostly = {
.can_early_drop = sctp_can_early_drop,
.me = THIS_MODULE,
#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
+ .nlattr_size = SCTP_NLATTR_SIZE,
.to_nlattr = sctp_to_nlattr,
- .nlattr_size = sctp_nlattr_size,
.from_nlattr = nlattr_to_sctp,
.tuple_to_nlattr = nf_ct_port_tuple_to_nlattr,
.nlattr_tuple_size = nf_ct_port_nlattr_tuple_size,
@@ -830,8 +829,8 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp6 __read_mostly = {
.can_early_drop = sctp_can_early_drop,
.me = THIS_MODULE,
#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
+ .nlattr_size = SCTP_NLATTR_SIZE,
.to_nlattr = sctp_to_nlattr,
- .nlattr_size = sctp_nlattr_size,
.from_nlattr = nlattr_to_sctp,
.tuple_to_nlattr = nf_ct_port_tuple_to_nlattr,
.nlattr_tuple_size = nf_ct_port_nlattr_tuple_size,