diff options
author | Florian Westphal <fw@strlen.de> | 2017-04-16 01:29:17 +0200 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2017-04-19 17:55:17 +0200 |
commit | 9f0f3ebeda47a5518817f33c40f6d3ea9c0275b8 (patch) | |
tree | f413363d3beaab2792346024d48eee36f60f4a10 /include/net | |
parent | netfilter: nfnetlink_cthelper: reject too large userspace allocation requests (diff) | |
download | linux-9f0f3ebeda47a5518817f33c40f6d3ea9c0275b8.tar.xz linux-9f0f3ebeda47a5518817f33c40f6d3ea9c0275b8.zip |
netfilter: helpers: remove data_len usage for inkernel helpers
No need to track this for inkernel helpers anymore as
NF_CT_HELPER_BUILD_BUG_ON checks do this now.
All inkernel helpers know what kind of structure they
stored in helper->data.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/netfilter/nf_conntrack_helper.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h index 29539ed1008f..e04fa7691e5d 100644 --- a/include/net/netfilter/nf_conntrack_helper.h +++ b/include/net/netfilter/nf_conntrack_helper.h @@ -29,9 +29,6 @@ struct nf_conntrack_helper { struct module *me; /* pointer to self */ const struct nf_conntrack_expect_policy *expect_policy; - /* length of internal data, ie. sizeof(struct nf_ct_*_master) */ - size_t data_len; - /* Tuple of things we will help (compared against server response) */ struct nf_conntrack_tuple tuple; @@ -49,7 +46,11 @@ struct nf_conntrack_helper { unsigned int expect_class_max; unsigned int flags; - unsigned int queue_num; /* For user-space helpers. */ + + /* For user-space helpers: */ + unsigned int queue_num; + /* length of userspace private data stored in nf_conn_help->data */ + u16 data_len; }; /* Must be kept in sync with the classes defined by helpers */ @@ -82,7 +83,7 @@ void nf_ct_helper_init(struct nf_conntrack_helper *helper, u16 l3num, u16 protonum, const char *name, u16 default_port, u16 spec_port, u32 id, const struct nf_conntrack_expect_policy *exp_pol, - u32 expect_class_max, u32 data_len, + u32 expect_class_max, int (*help)(struct sk_buff *skb, unsigned int protoff, struct nf_conn *ct, enum ip_conntrack_info ctinfo), |