Merge branch 'bugfix/fix_probable_mem_leak' into 'master'

components/bt: Fix a probable memory leak for BTA_GATTS_CONF_EVT event

See merge request idf/esp-idf!2962

components/bt/bluedroid/bta/gatt/bta_gatts_act.c

@@ -702,6 +702,10 @@ void bta_gatts_indicate_handle (tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
                 APPL_TRACE_ERROR("%s, malloc failed", __func__);
             }
             (*p_rcb->p_cback)(BTA_GATTS_CONF_EVT, &cb_data);
+            if (cb_data.req_data.value != NULL) {
+                osi_free(cb_data.req_data.value);
+                cb_data.req_data.value = NULL;
+            }
         }
     } else {
         APPL_TRACE_ERROR("Not an registered servce attribute ID: 0x%04x",

components/bt/bluedroid/btc/profile/esp/blufi/blufi_prf.c

@@ -209,10 +209,7 @@ static void blufi_profile_cb(tBTA_GATTS_EVT event, tBTA_GATTS *p_data)
         blufi_env.frag_size = p_data->req_data.p_data->mtu - BLUFI_MTU_RESERVED_SIZE;
         break;
     case BTA_GATTS_CONF_EVT:
-        BLUFI_TRACE_DEBUG("CONIRM EVT\n");
-        if (p_data && p_data->req_data.value){
-            osi_free(p_data->req_data.value);
-        }
+        BLUFI_TRACE_DEBUG("CONFIRM EVT\n");
         /* Nothing */
         break;
     case BTA_GATTS_CREATE_EVT:

components/bt/bluedroid/btc/profile/std/gatt/btc_gatts.c

@@ -530,9 +530,6 @@ static void btc_gatts_cb_param_copy_free(btc_msg_t *msg, tBTA_GATTS *p_data)
         }
         break;
     case BTA_GATTS_CONF_EVT:
-        if (p_data && p_data->req_data.value){
-            osi_free(p_data->req_data.value);
-        }
         break;
     default:
         break;