void rtl8188eu_init_recvbuf(struct recv_buf *precvbuf)
 {
-       precvbuf->transfer_len = 0;
-
-       precvbuf->len = 0;
-
-       precvbuf->ref_cnt = 0;
-
        if (precvbuf->pbuf) {
                precvbuf->pdata = precvbuf->pbuf;
                precvbuf->phead = precvbuf->pbuf;
                res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
                if (res == _FAIL)
                        break;
-               precvbuf->ref_cnt = 0;
                precvbuf->adapter = padapter;
                precvbuf++;
        }
 
                } else {
                        rtw_reset_continual_urb_error(adapter_to_dvobj(adapt));
 
-                       precvbuf->transfer_len = purb->actual_length;
                        skb_put(precvbuf->pskb, purb->actual_length);
                        skb_queue_tail(&precvpriv->rx_skb_queue, precvbuf->pskb);
 
 
 };
 
 struct recv_buf {
-       u32     ref_cnt;
        struct adapter *adapter;
        u8      *pbuf;
        u8      *pallocated_buf;
-       u32     len;
        u8      *phead;
        u8      *pdata;
        u8      *ptail;
        dma_addr_t dma_transfer_addr;   /* (in) dma addr for transfer_buffer */
        u32 alloc_sz;
        u8  irp_pending;
-       int  transfer_len;
        struct sk_buff *pskb;
        u8      reuse;
 };
 
        precvbuf->phead = NULL;
        precvbuf->ptail = NULL;
        precvbuf->pend = NULL;
-       precvbuf->transfer_len = 0;
-       precvbuf->len = 0;
        return res;
 }