From 79601107296d8c1448658e56eb5b388561d127c0 Mon Sep 17 00:00:00 2001
From: xiongweichao <xiongweichao@espressif.com>
Date: Fri, 9 Jul 2021 14:17:46 +0800
Subject: [PATCH] components/bt: fix spp memory leak

closes https://github.com/espressif/esp-idf/issues/7238
---
 components/bt/host/bluedroid/btc/profile/std/spp/btc_spp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/components/bt/host/bluedroid/btc/profile/std/spp/btc_spp.c b/components/bt/host/bluedroid/btc/profile/std/spp/btc_spp.c
index a8fe25e352..89b80b4be1 100644
--- a/components/bt/host/bluedroid/btc/profile/std/spp/btc_spp.c
+++ b/components/bt/host/bluedroid/btc/profile/std/spp/btc_spp.c
@@ -546,6 +546,11 @@ static void btc_spp_uninit(void)
         osi_mutex_unlock(&spp_local_param.spp_slot_mutex);
     } while(0);
 
+    if (spp_local_param.tx_event_group) {
+        vEventGroupDelete(spp_local_param.tx_event_group);
+        spp_local_param.tx_event_group = NULL;
+    }
+
     if (ret != ESP_SPP_SUCCESS) {
         esp_spp_cb_param_t param;
         param.uninit.status = ret;