From e20c189927fbf82c7e73d28853797d5f9f7968fb Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Mon, 17 Jul 2023 14:57:59 -0400
Subject: [PATCH] MT#55283 catch possible NULL pointer

Creating the codec handler can possibly fail. Catch that case.

Closes #1693

Change-Id: Iebd8d1c6aa3542cd9e1351756148c48ebada38ec
(cherry picked from commit 94ba3e0fa85d07a88eb9ceb4e409f616153ad308)
---
 daemon/codec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/daemon/codec.c b/daemon/codec.c
index d6b5f1023..c127bd69d 100644
--- a/daemon/codec.c
+++ b/daemon/codec.c
@@ -532,6 +532,10 @@ struct codec_handler *codec_handler_make_playback(const struct rtp_payload_type
 	rtp_payload_type_copy(&handler->dest_pt, dst_pt);
 	handler->handler_func = handler_func_playback;
 	handler->ssrc_handler = (void *) __ssrc_handler_transcode_new(handler);
+	if (!handler->ssrc_handler) {
+		codec_handler_free(&handler);
+		return NULL;
+	}
 	handler->ssrc_handler->csch.first_ts = last_ts;
 	handler->ssrc_handler->h.ssrc = ssrc;
 	while (handler->ssrc_handler->csch.first_ts == 0)