netfilter: xt_recent: fix false match

A rule with a zero hit_count will always match.

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Cc: stable@kernel.org
Signed-off-by: Patrick McHardy <kaber@trash.net>

diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 1278f0aa7434f8d0dc4d9fc900a3faed90fb412c..7073dbb8100c83fb163498453d814beed8fd2dbe 100644 (file)
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -267,7 +267,7 @@ recent_mt(const struct sk_buff *skb, const struct xt_match_param *par)
                for (i = 0; i < e->nstamps; i++) {
                        if (info->seconds && time_after(time, e->stamps[i]))
                                continue;
-                       if (++hits >= info->hit_count) {
+                       if (info->hit_count && ++hits >= info->hit_count) {
                                ret = !ret;
                                break;
                        }