From 2475c2686f0757bad4039bc6da4782ff5a5b6742 Mon Sep 17 00:00:00 2001
From: Michael Jerris <mike@jerris.com>
Date: Wed, 15 Jun 2016 18:35:59 -0400
Subject: [PATCH] FS-9271: [mod_conference] fix segfault trying to record a
 canvas that does not exist

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

diff --git a/src/mod/applications/mod_conference/conference_api.c b/src/mod/applications/mod_conference/conference_api.c
index fe93d42ce9..1cfa8dbb48 100644
--- a/src/mod/applications/mod_conference/conference_api.c
+++ b/src/mod/applications/mod_conference/conference_api.c
@@ -2529,6 +2529,10 @@ switch_status_t conference_api_sub_record(conference_obj_t *conference, switch_s
 
 	if (id == 0 && conference->canvases[0]) id = 1;
 	
+	if (id > conference->canvas_count) {
+		id = 1;
+	}
+
 	if (id > 0) {
 		stream->write_function(stream, "Record file %s canvas %d\n", argv[2], id);
 	} else {