fix calling esp_ble_get_cur_sendable_packets_num() sometimes crashes when bluetooth is disconnecting
@@ -2342,7 +2342,15 @@ void l2ble_update_att_acl_pkt_num(UINT8 type, tl2c_buff_param_t *param)
xSemaphoreGive(buff_semaphore);
break;
}
- fixed_queue_t * queue = p_lcb->p_fixed_ccbs[L2CAP_ATT_CID - L2CAP_FIRST_FIXED_CHNL]->xmit_hold_q;
+
+ tL2C_CCB *p_ccb = p_lcb->p_fixed_ccbs[L2CAP_ATT_CID - L2CAP_FIRST_FIXED_CHNL];
+ if(p_ccb == NULL) {
+ L2CAP_TRACE_ERROR("%s not found p_ccb", __func__);
+ xSemaphoreGive(buff_semaphore);
+ break;
+ }
+
+ fixed_queue_t * queue = p_ccb->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__);
