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bluedroid: fixed gatt tcb free when disconnecting

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This commit is contained in:
chenjianhua 2023-06-26 20:17:49 +08:00
parent 2101438df6
commit bddb13efb2
3 changed files with 13 additions and 0 deletions
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1
components/bt/host/bluedroid/stack/include/stack/l2c_api.h
View File

@ -1239,6 +1239,7 @@ extern BOOLEAN L2CA_CheckIsCongest(UINT16 fixed_cid, BD_ADDR addr);
#define L2CA_DECREASE_BTU_NUM 4
#define L2CA_BUFF_INI 5
#define L2CA_BUFF_DEINIT 6
#define L2CA_BUFF_FREE 7
typedef struct {
UINT16 conn_id;

6
components/bt/host/bluedroid/stack/l2cap/l2c_api.c
View File

@ -2386,6 +2386,12 @@ void l2ble_update_att_acl_pkt_num(UINT8 type, tl2c_buff_param_t *param)
buff_semaphore = NULL;
break;
}
case L2CA_BUFF_FREE:{
xSemaphoreTake(buff_semaphore, portMAX_DELAY);
// Do nothing
xSemaphoreGive(buff_semaphore);
break;
}
default:
break;
}

6
components/bt/host/bluedroid/stack/l2cap/l2c_utils.c
View File

@ -1707,6 +1707,12 @@ void l2cu_release_ccb (tL2C_CCB *p_ccb)
if (!p_ccb->in_use) {
return;
}
#if BLE_INCLUDED == TRUE
if (p_lcb->transport == BT_TRANSPORT_LE) {
/* Take samephore to avoid race condition */
l2ble_update_att_acl_pkt_num(L2CA_BUFF_FREE, NULL);
}
#endif
#if (SDP_INCLUDED == TRUE)
if (p_rcb && (p_rcb->psm != p_rcb->real_psm)) {
btm_sec_clr_service_by_psm(p_rcb->psm);