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-rw-r--r--include/net/netfilter/nf_conntrack_compat.h10
-rw-r--r--net/netfilter/xt_connmark.c7
-rw-r--r--net/netfilter/xt_conntrack.c8
-rw-r--r--net/netfilter/xt_helper.c8
-rw-r--r--net/netfilter/xt_state.c7
5 files changed, 16 insertions, 24 deletions
diff --git a/include/net/netfilter/nf_conntrack_compat.h b/include/net/netfilter/nf_conntrack_compat.h
index f1b1482d7200..b9ce5c80d9d5 100644
--- a/include/net/netfilter/nf_conntrack_compat.h
+++ b/include/net/netfilter/nf_conntrack_compat.h
@@ -64,6 +64,16 @@ static inline int nf_ct_get_ctinfo(const struct sk_buff *skb,
return (ct != NULL);
}
+static inline int nf_ct_l3proto_try_module_get(unsigned short l3proto)
+{
+ need_conntrack();
+ return l3proto == PF_INET ? 0 : -1;
+}
+
+static inline void nf_ct_l3proto_module_put(unsigned short l3proto)
+{
+}
+
#else /* CONFIG_IP_NF_CONNTRACK */
#include <net/netfilter/ipv4/nf_conntrack_ipv4.h>
diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c
index a8f03057dbde..36c2defff238 100644
--- a/net/netfilter/xt_connmark.c
+++ b/net/netfilter/xt_connmark.c
@@ -63,22 +63,18 @@ checkentry(const char *tablename,
printk(KERN_WARNING "connmark: only support 32bit mark\n");
return 0;
}
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
if (nf_ct_l3proto_try_module_get(match->family) < 0) {
- printk(KERN_WARNING "can't load nf_conntrack support for "
+ printk(KERN_WARNING "can't load conntrack support for "
"proto=%d\n", match->family);
return 0;
}
-#endif
return 1;
}
static void
destroy(const struct xt_match *match, void *matchinfo)
{
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
nf_ct_l3proto_module_put(match->family);
-#endif
}
#ifdef CONFIG_COMPAT
@@ -140,7 +136,6 @@ static struct xt_match xt_connmark_match[] = {
static int __init xt_connmark_init(void)
{
- need_conntrack();
return xt_register_matches(xt_connmark_match,
ARRAY_SIZE(xt_connmark_match));
}
diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index 0ea501a2fda5..3dc2357b8de8 100644
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -20,6 +20,7 @@
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_conntrack.h>
+#include <net/netfilter/nf_conntrack_compat.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Marc Boucher <marc@mbsi.ca>");
@@ -228,21 +229,17 @@ checkentry(const char *tablename,
void *matchinfo,
unsigned int hook_mask)
{
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
if (nf_ct_l3proto_try_module_get(match->family) < 0) {
- printk(KERN_WARNING "can't load nf_conntrack support for "
+ printk(KERN_WARNING "can't load conntrack support for "
"proto=%d\n", match->family);
return 0;
}
-#endif
return 1;
}
static void destroy(const struct xt_match *match, void *matchinfo)
{
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
nf_ct_l3proto_module_put(match->family);
-#endif
}
static struct xt_match conntrack_match = {
@@ -257,7 +254,6 @@ static struct xt_match conntrack_match = {
static int __init xt_conntrack_init(void)
{
- need_conntrack();
return xt_register_match(&conntrack_match);
}
diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c
index 5d7818b73e3a..04bc32ba7195 100644
--- a/net/netfilter/xt_helper.c
+++ b/net/netfilter/xt_helper.c
@@ -24,6 +24,7 @@
#endif
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_helper.h>
+#include <net/netfilter/nf_conntrack_compat.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Martin Josefsson <gandalf@netfilter.org>");
@@ -143,13 +144,11 @@ static int check(const char *tablename,
{
struct xt_helper_info *info = matchinfo;
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
if (nf_ct_l3proto_try_module_get(match->family) < 0) {
- printk(KERN_WARNING "can't load nf_conntrack support for "
+ printk(KERN_WARNING "can't load conntrack support for "
"proto=%d\n", match->family);
return 0;
}
-#endif
info->name[29] = '\0';
return 1;
}
@@ -157,9 +156,7 @@ static int check(const char *tablename,
static void
destroy(const struct xt_match *match, void *matchinfo)
{
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
nf_ct_l3proto_module_put(match->family);
-#endif
}
static struct xt_match xt_helper_match[] = {
@@ -185,7 +182,6 @@ static struct xt_match xt_helper_match[] = {
static int __init xt_helper_init(void)
{
- need_conntrack();
return xt_register_matches(xt_helper_match,
ARRAY_SIZE(xt_helper_match));
}
diff --git a/net/netfilter/xt_state.c b/net/netfilter/xt_state.c
index d9010b16a1f9..df37b912163a 100644
--- a/net/netfilter/xt_state.c
+++ b/net/netfilter/xt_state.c
@@ -50,22 +50,18 @@ static int check(const char *tablename,
void *matchinfo,
unsigned int hook_mask)
{
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
if (nf_ct_l3proto_try_module_get(match->family) < 0) {
- printk(KERN_WARNING "can't load nf_conntrack support for "
+ printk(KERN_WARNING "can't load conntrack support for "
"proto=%d\n", match->family);
return 0;
}
-#endif
return 1;
}
static void
destroy(const struct xt_match *match, void *matchinfo)
{
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
nf_ct_l3proto_module_put(match->family);
-#endif
}
static struct xt_match xt_state_match[] = {
@@ -91,7 +87,6 @@ static struct xt_match xt_state_match[] = {
static int __init xt_state_init(void)
{
- need_conntrack();
return xt_register_matches(xt_state_match, ARRAY_SIZE(xt_state_match));
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.