netfilter: xt_connlimit: fix regression caused by zero family value

Commit v2.6.28-rc1~717^2~109^2~2 was slightly incomplete; not all
instances of par->match->family were changed to par->family.

References: http://bugzilla.netfilter.org/show_bug.cgi?id=610
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c
index 6809809543951a635ad3f53ad625dd6287e20220..38f03f75a636b33bc6052fc5f195a496c502932a 100644 (file)
--- a/net/netfilter/xt_connlimit.c
+++ b/net/netfilter/xt_connlimit.c
@@ -103,7 +103,7 @@ static int count_them(struct xt_connlimit_data *data,
                      const struct nf_conntrack_tuple *tuple,
                      const union nf_inet_addr *addr,
                      const union nf_inet_addr *mask,
-                     const struct xt_match *match)
+                     u_int8_t family)
 {
        const struct nf_conntrack_tuple_hash *found;
        struct xt_connlimit_conn *conn;
@@ -113,8 +113,7 @@ static int count_them(struct xt_connlimit_data *data,
        bool addit = true;
        int matches = 0;
 
-
-       if (match->family == NFPROTO_IPV6)
+       if (family == NFPROTO_IPV6)
                hash = &data->iphash[connlimit_iphash6(addr, mask)];
        else
                hash = &data->iphash[connlimit_iphash(addr->ip & mask->ip)];
@@ -157,8 +156,7 @@ static int count_them(struct xt_connlimit_data *data,
                        continue;
                }
 
-               if (same_source_net(addr, mask, &conn->tuple.src.u3,
-                   match->family))
+               if (same_source_net(addr, mask, &conn->tuple.src.u3, family))
                        /* same source network -> be counted! */
                        ++matches;
                nf_ct_put(found_ct);
@@ -207,7 +205,7 @@ connlimit_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 
        spin_lock_bh(&info->data->lock);
        connections = count_them(info->data, tuple_ptr, &addr,
-                                &info->mask, par->match);
+                                &info->mask, par->family);
        spin_unlock_bh(&info->data->lock);
 
        if (connections < 0) {