From 2ec5ffb5f5f58fe19f0e9f5abe274424d39206a1 Mon Sep 17 00:00:00 2001
From: Antonio <asilva@wirelessmundi.com>
Date: Tue, 21 Mar 2017 14:35:51 +0100
Subject: [PATCH] FS-10160 [mod_conference] fix segfault when using
 video-mode=mux

---
 src/mod/applications/mod_conference/conference_event.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mod/applications/mod_conference/conference_event.c b/src/mod/applications/mod_conference/conference_event.c
index f805598c70..058a56123a 100644
--- a/src/mod/applications/mod_conference/conference_event.c
+++ b/src/mod/applications/mod_conference/conference_event.c
@@ -576,6 +576,10 @@ void conference_event_adv_layout(conference_obj_t *conference, mcu_canvas_t *can
 	cJSON *msg, *data, *obj;
 	int i = 0;
 
+	if (!conference->info_event_channel) {
+		return;
+	}
+
 	msg = cJSON_CreateObject();
 	data = json_add_child_obj(msg, "eventData", NULL);