From 8959c7de20192e53fca3cf16b0c3b5646ec7e3e0 Mon Sep 17 00:00:00 2001
From: wangmengyang <wangmengyang@espressif.com>
Date: Mon, 3 Jul 2017 17:25:44 +0800
Subject: [PATCH] component/bt: bugfix for AVDTP state machine during
 disconnection in failure to handle NULL parameter

---
 components/bt/bluedroid/stack/avdt/avdt_scb_act.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/components/bt/bluedroid/stack/avdt/avdt_scb_act.c b/components/bt/bluedroid/stack/avdt/avdt_scb_act.c
index ec270d268..d645f32d1 100644
--- a/components/bt/bluedroid/stack/avdt/avdt_scb_act.c
+++ b/components/bt/bluedroid/stack/avdt/avdt_scb_act.c
@@ -956,7 +956,11 @@ void avdt_scb_hdl_tc_close(tAVDT_SCB *p_scb, tAVDT_SCB_EVT *p_data)
 
     /* set up hdr */
     avdt_ctrl.hdr.err_code = p_scb->close_code;
-    avdt_ctrl.hdr.err_param = p_data->close.disc_rsn;
+    if (p_data) {
+        avdt_ctrl.hdr.err_param = p_data->close.disc_rsn;
+    } else {
+        avdt_ctrl.hdr.err_param = AVDT_DISC_RSN_NORMAL;
+    }
 
     /* clear sep variables */
     avdt_scb_clr_vars(p_scb, p_data);