From ab6af8eeeb5953dd7c74526ab6baf873ff99c332 Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Tue, 24 Sep 2024 09:37:58 -0400
Subject: [PATCH] MT#55283 fix possible null dereference

closes #1864

Change-Id: If222c418d4b76724ba59e5fb11aeeb2c77c7e195
(cherry picked from commit 87f9fc18bfbcfa31a265a316d348d8b938539d75)
(cherry picked from commit 874eb4a079d340f762f7e509bfe6eb877251a0de)
---
 daemon/call.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/daemon/call.c b/daemon/call.c
index 3c1be398f..c031be0f8 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -4638,7 +4638,7 @@ static int call_get_dialogue(struct call_monologue *monologues[2], call_t *call,
 			ft = t_hash_table_lookup(call->viabranches, viabranch);
 		/* top most subscription of tt */
 		if (!ft) {
-			struct call_media *media = tt->medias->pdata[0];
+			struct call_media *media = tt->medias->len ? tt->medias->pdata[0] : NULL;
 			if (media && media->media_subscriptions.head) {
 				struct media_subscription * ms = media->media_subscriptions.head->data;
 				if (ms->monologue)