[NETFILTER]: x_tables: error if ip_conntrack is asked to handle IPv6 packets
To do that, this makes nf_ct_l3proto_try_module_{get,put} compatible
functions. As a result we can remove '#ifdef' surrounds and direct call of
need_conntrack().
Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c
index 5d7818b..04bc32b 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 @@
{
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 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 int __init xt_helper_init(void)
{
- need_conntrack();
return xt_register_matches(xt_helper_match,
ARRAY_SIZE(xt_helper_match));
}