conntrackd: don't resync expectations if such sync has been disabled

conntrackd was segfaulting with `ExpectationSync` set to `Off`
and PollSecs (polling mode) in use.

Signed-off-by: Vincent Bernat <bernat@luffy.cx>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/ctnl.c b/src/ctnl.c
index 107cd5d..bb54727 100644
--- a/src/ctnl.c
+++ b/src/ctnl.c
@@ -164,7 +164,9 @@ static void do_polling_alarm(struct alarm_block *a, void *data)
 		STATE(mode)->internal->exp.purge();
 
 	nl_send_resync(STATE(resync));
-	nl_send_expect_resync(STATE(resync));
+	if (CONFIG(flags) & CTD_EXPECT)
+		nl_send_expect_resync(STATE(resync));
+
 	add_alarm(&STATE(polling_alarm), CONFIG(poll_kernel_secs), 0);
 }