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-rw-r--r--include/linux/netfilter/nf_conntrack_common.h4
-rw-r--r--include/linux/netfilter/xt_CT.h3
-rw-r--r--net/netfilter/nf_conntrack_helper.c12
-rw-r--r--net/netfilter/nf_conntrack_netlink.c4
-rw-r--r--net/netfilter/xt_CT.c8
5 files changed, 4 insertions, 27 deletions
diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h
index 9e3a2838291b..0d3dd66322ec 100644
--- a/include/linux/netfilter/nf_conntrack_common.h
+++ b/include/linux/netfilter/nf_conntrack_common.h
@@ -83,10 +83,6 @@ enum ip_conntrack_status {
/* Conntrack is a fake untracked entry */
IPS_UNTRACKED_BIT = 12,
IPS_UNTRACKED = (1 << IPS_UNTRACKED_BIT),
-
- /* Conntrack has a userspace helper. */
- IPS_USERSPACE_HELPER_BIT = 13,
- IPS_USERSPACE_HELPER = (1 << IPS_USERSPACE_HELPER_BIT),
};
/* Connection tracking event types */
diff --git a/include/linux/netfilter/xt_CT.h b/include/linux/netfilter/xt_CT.h
index 6390f0992f36..b56e76811c04 100644
--- a/include/linux/netfilter/xt_CT.h
+++ b/include/linux/netfilter/xt_CT.h
@@ -3,8 +3,7 @@
#include <linux/types.h>
-#define XT_CT_NOTRACK 0x1
-#define XT_CT_USERSPACE_HELPER 0x2
+#define XT_CT_NOTRACK 0x1
struct xt_ct_target_info {
__u16 flags;
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 299fec91f741..bbe23baa19b6 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -121,18 +121,6 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl,
int ret = 0;
if (tmpl != NULL) {
- /* we've got a userspace helper. */
- if (tmpl->status & IPS_USERSPACE_HELPER) {
- help = nf_ct_helper_ext_add(ct, flags);
- if (help == NULL) {
- ret = -ENOMEM;
- goto out;
- }
- rcu_assign_pointer(help->helper, NULL);
- __set_bit(IPS_USERSPACE_HELPER_BIT, &ct->status);
- ret = 0;
- goto out;
- }
help = nfct_help(tmpl);
if (help != NULL)
helper = help->helper;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 2a4834b83332..9307b033c0c9 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -2042,10 +2042,6 @@ ctnetlink_create_expect(struct net *net, u16 zone,
}
help = nfct_help(ct);
if (!help) {
- err = -EOPNOTSUPP;
- goto out;
- }
- if (test_bit(IPS_USERSPACE_HELPER_BIT, &ct->status)) {
if (!cda[CTA_EXPECT_TIMEOUT]) {
err = -EINVAL;
goto out;
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 8e87123f1373..0221d10de75a 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -62,8 +62,8 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par)
int ret = 0;
u8 proto;
- if (info->flags & ~(XT_CT_NOTRACK | XT_CT_USERSPACE_HELPER))
- return -EOPNOTSUPP;
+ if (info->flags & ~XT_CT_NOTRACK)
+ return -EINVAL;
if (info->flags & XT_CT_NOTRACK) {
ct = nf_ct_untracked_get();
@@ -92,9 +92,7 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par)
GFP_KERNEL))
goto err3;
- if (info->flags & XT_CT_USERSPACE_HELPER) {
- __set_bit(IPS_USERSPACE_HELPER_BIT, &ct->status);
- } else if (info->helper[0]) {
+ if (info->helper[0]) {
ret = -ENOENT;
proto = xt_ct_find_proto(par);
if (!proto) {
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