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Merge branch 'bugfix/buff_semaphore_not_free_v4.1' into 'release/v4.1'

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component/bt: Fixed ble memory leak issue, buff_semaphore was not released..(backport 4.1)

See merge request espressif/esp-idf!9508
This commit is contained in:
Jiang Jiang Jian 2020-07-10 16:49:35 +08:00
parent f5a7c9635f 9c9b64ee17
commit 839893cfce
1 changed files with 24 additions and 5 deletions
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29
components/bt/host/bluedroid/stack/l2cap/l2c_api.c
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@ -2274,7 +2274,6 @@ UINT16 L2CA_FlushChannel (UINT16 lcid, UINT16 num_to_flush)
return (num_left);
}
/******************************************************************************
**
** Function update_acl_pkt_num
@ -2284,7 +2283,6 @@ UINT16 L2CA_FlushChannel (UINT16 lcid, UINT16 num_to_flush)
** Returns None
**
*******************************************************************************/
#if BLE_INCLUDED == TRUE
void l2ble_update_att_acl_pkt_num(UINT8 type, tl2c_buff_param_t *param)
{
@ -2292,28 +2290,38 @@ void l2ble_update_att_acl_pkt_num(UINT8 type, tl2c_buff_param_t *param)
static INT16 btc_buf;
static INT16 btu_buf;
if(buff_semaphore != NULL){
xSemaphoreTake(buff_semaphore, 10 / portTICK_PERIOD_MS);
if(buff_semaphore == NULL && type != L2CA_BUFF_INI){
L2CAP_TRACE_ERROR("%s buff_semaphore not init", __func__);
return;
}
switch (type)
{
case L2CA_ADD_BTC_NUM:{
xSemaphoreTake(buff_semaphore, portMAX_DELAY);
btc_buf ++;
xSemaphoreGive(buff_semaphore);
break;
}
case L2CA_DECREASE_BTC_NUM:{
xSemaphoreTake(buff_semaphore, portMAX_DELAY);
btc_buf --;
xSemaphoreGive(buff_semaphore);
break;
}
case L2CA_ADD_BTU_NUM:{
xSemaphoreTake(buff_semaphore, portMAX_DELAY);
btu_buf ++;
xSemaphoreGive(buff_semaphore);
break;
}
case L2CA_DECREASE_BTU_NUM:{
xSemaphoreTake(buff_semaphore, portMAX_DELAY);
btu_buf --;
xSemaphoreGive(buff_semaphore);
break;
}
case L2CA_GET_ATT_NUM:{
xSemaphoreTake(buff_semaphore, portMAX_DELAY);
INT16 att_acl_pkt_num = 0;
INT16 att_max_num = 0;
*(param->get_num) = 0;
@ -2321,17 +2329,20 @@ void l2ble_update_att_acl_pkt_num(UINT8 type, tl2c_buff_param_t *param)
tGATT_TCB * p_tcb = gatt_get_tcb_by_idx(tcb_idx);
if (p_tcb == NULL){
L2CAP_TRACE_ERROR("%s not found p_tcb", __func__);
xSemaphoreGive(buff_semaphore);
break;
}
tL2C_LCB * p_lcb = l2cu_find_lcb_by_bd_addr (p_tcb->peer_bda, BT_TRANSPORT_LE);
if (p_lcb == NULL){
L2CAP_TRACE_ERROR("%s not found p_lcb", __func__);
xSemaphoreGive(buff_semaphore);
break;
}
fixed_queue_t * queue = p_lcb->p_fixed_ccbs[L2CAP_ATT_CID - L2CAP_FIRST_FIXED_CHNL]->xmit_hold_q;
att_max_num = MIN(p_lcb->link_xmit_quota, L2CAP_CACHE_ATT_ACL_NUM);
if (queue == NULL){
L2CAP_TRACE_ERROR("%s not found queue", __func__);
xSemaphoreGive(buff_semaphore);
break;
}
att_acl_pkt_num = fixed_queue_length(queue);
@ -2340,23 +2351,31 @@ void l2ble_update_att_acl_pkt_num(UINT8 type, tl2c_buff_param_t *param)
*(param->get_num) = att_max_num - att_acl_pkt_num - (btc_buf + btu_buf);
}
}
xSemaphoreGive(buff_semaphore);
break;
}
case L2CA_BUFF_INI:{
btc_buf = 0;
btu_buf = 0;
buff_semaphore = xSemaphoreCreateBinary();
if (buff_semaphore == NULL) {
L2CAP_TRACE_ERROR("%s NO MEMORY", __func__);
break;
}
xSemaphoreGive(buff_semaphore);
break;
}
case L2CA_BUFF_DEINIT:{
xSemaphoreTake(buff_semaphore, portMAX_DELAY);
btc_buf = 0;
btu_buf = 0;
xSemaphoreGive(buff_semaphore);
vSemaphoreDelete(buff_semaphore);
buff_semaphore = NULL;
break;
}
default:
break;
}
xSemaphoreGive(buff_semaphore);
}
#endif