From 5b24f2340ea603c02e68c87b54d34c1e17bfc8ab Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Wed, 30 Nov 2022 08:21:44 -0500
Subject: [PATCH] MT#55283 fix possible null deref

closes #1575

Change-Id: Ie6f2cb9708c3a9248d763b1a01b4483a0fc81483
---
 daemon/codec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/daemon/codec.c b/daemon/codec.c
index 1e62dea2d..331a5fbaf 100644
--- a/daemon/codec.c
+++ b/daemon/codec.c
@@ -2039,7 +2039,8 @@ static int packet_dtmf_fwd(struct codec_ssrc_handler *ch, struct transcode_packe
 skip:
 		if (output_ch)
 			obj_put(&output_ch->h);
-		obj_put(&decoder_ch->h);
+		if (decoder_ch)
+			obj_put(&decoder_ch->h);
 	}
 
 	char *buf = malloc(packet->payload->len + sizeof(struct rtp_header) + RTP_BUFFER_TAIL_ROOM);