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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /net/netfilter/nf_conntrack_helper.c
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'net/netfilter/nf_conntrack_helper.c')
-rw-r--r--net/netfilter/nf_conntrack_helper.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 3b40ec575..196cb3964 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -38,10 +38,10 @@ unsigned int nf_ct_helper_hsize __read_mostly;
EXPORT_SYMBOL_GPL(nf_ct_helper_hsize);
static unsigned int nf_ct_helper_count __read_mostly;
-static bool nf_ct_auto_assign_helper __read_mostly = true;
+static bool nf_ct_auto_assign_helper __read_mostly = false;
module_param_named(nf_conntrack_helper, nf_ct_auto_assign_helper, bool, 0644);
MODULE_PARM_DESC(nf_conntrack_helper,
- "Enable automatic conntrack helper assignment (default 1)");
+ "Enable automatic conntrack helper assignment (default 0)");
#ifdef CONFIG_SYSCTL
static struct ctl_table helper_sysctl_table[] = {
@@ -361,9 +361,10 @@ EXPORT_SYMBOL_GPL(nf_ct_helper_log);
int nf_conntrack_helper_register(struct nf_conntrack_helper *me)
{
- int ret = 0;
- struct nf_conntrack_helper *cur;
+ struct nf_conntrack_tuple_mask mask = { .src.u.all = htons(0xFFFF) };
unsigned int h = helper_hash(&me->tuple);
+ struct nf_conntrack_helper *cur;
+ int ret = 0;
BUG_ON(me->expect_policy == NULL);
BUG_ON(me->expect_class_max >= NF_CT_MAX_EXPECT_CLASSES);
@@ -371,9 +372,7 @@ int nf_conntrack_helper_register(struct nf_conntrack_helper *me)
mutex_lock(&nf_ct_helper_mutex);
hlist_for_each_entry(cur, &nf_ct_helper_hash[h], hnode) {
- if (strncmp(cur->name, me->name, NF_CT_HELPER_NAME_LEN) == 0 &&
- cur->tuple.src.l3num == me->tuple.src.l3num &&
- cur->tuple.dst.protonum == me->tuple.dst.protonum) {
+ if (nf_ct_tuple_src_mask_cmp(&cur->tuple, &me->tuple, &mask)) {
ret = -EEXIST;
goto out;
}
@@ -400,7 +399,7 @@ static void __nf_conntrack_helper_unregister(struct nf_conntrack_helper *me,
spin_lock_bh(&nf_conntrack_expect_lock);
for (i = 0; i < nf_ct_expect_hsize; i++) {
hlist_for_each_entry_safe(exp, next,
- &net->ct.expect_hash[i], hnode) {
+ &nf_ct_expect_hash[i], hnode) {
struct nf_conn_help *help = nfct_help(exp->master);
if ((rcu_dereference_protected(
help->helper,
@@ -424,10 +423,10 @@ static void __nf_conntrack_helper_unregister(struct nf_conntrack_helper *me,
spin_unlock_bh(&pcpu->lock);
}
local_bh_disable();
- for (i = 0; i < net->ct.htable_size; i++) {
+ for (i = 0; i < nf_conntrack_htable_size; i++) {
nf_conntrack_lock(&nf_conntrack_locks[i % CONNTRACK_LOCKS]);
- if (i < net->ct.htable_size) {
- hlist_nulls_for_each_entry(h, nn, &net->ct.hash[i], hnnode)
+ if (i < nf_conntrack_htable_size) {
+ hlist_nulls_for_each_entry(h, nn, &nf_conntrack_hash[i], hnnode)
unhelp(h, me);
}
spin_unlock(&nf_conntrack_locks[i % CONNTRACK_LOCKS]);