diff options
Diffstat (limited to 'net/netfilter/xt_helper.c')
| -rw-r--r-- | net/netfilter/xt_helper.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c index 7d2d68b9155ff3..101f0005e98755 100644 --- a/net/netfilter/xt_helper.c +++ b/net/netfilter/xt_helper.c @@ -144,15 +144,31 @@ 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 " + "proto=%d\n", match->family); + return 0; + } +#endif info->name[29] = '\0'; return 1; } +static void +destroy(const struct xt_match *match, void *matchinfo, unsigned int matchsize) +{ +#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) + nf_ct_l3proto_module_put(match->family); +#endif +} + static struct xt_match helper_match = { .name = "helper", .match = match, .matchsize = sizeof(struct xt_helper_info), .checkentry = check, + .destroy = destroy, .family = AF_INET, .me = THIS_MODULE, }; @@ -161,6 +177,7 @@ static struct xt_match helper6_match = { .match = match, .matchsize = sizeof(struct xt_helper_info), .checkentry = check, + .destroy = destroy, .family = AF_INET6, .me = THIS_MODULE, }; |