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From 2b76b68c65c97fc11409088c3c30993324df8500 Mon Sep 17 00:00:00 2001
From: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
Date: Thu, 4 Jan 2018 18:50:50 +0100
Subject: [PATCH] build: support for Linux 4.15
Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
---
extensions/pknock/xt_pknock.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/extensions/pknock/xt_pknock.c b/extensions/pknock/xt_pknock.c
index 6fbdea4..31d4bc8 100644
--- a/extensions/pknock/xt_pknock.c
+++ b/extensions/pknock/xt_pknock.c
@@ -358,10 +358,20 @@ has_logged_during_this_minute(const struct peer *peer)
* @r: rule
*/
static void
-peer_gc(unsigned long r)
+peer_gc(
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
+ struct timer_list *tl
+#else
+ unsigned long r
+#endif
+)
{
unsigned int i;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
+ struct xt_pknock_rule *rule = from_timer(rule, tl, timer);
+#else
struct xt_pknock_rule *rule = (struct xt_pknock_rule *)r;
+#endif
struct peer *peer;
struct list_head *pos, *n;
@@ -469,9 +479,13 @@ add_rule(struct xt_pknock_mtinfo *info)
if (rule->peer_head == NULL)
goto out;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
+ timer_setup(&rule->timer, peer_gc, 0);
+#else
init_timer(&rule->timer);
rule->timer.function = peer_gc;
rule->timer.data = (unsigned long)rule;
+#endif
rule->status_proc = proc_create_data(info->rule_name, 0, pde,
&pknock_proc_ops, rule);