_rtw_init_queue(&precvpriv->free_recv_buf_queue);
 
        precvpriv->pallocated_recv_buf =
-               kzalloc(NR_RECVBUFF * sizeof(struct recv_buf) + 4, GFP_KERNEL);
+               kzalloc(NR_RECVBUFF * sizeof(struct recv_buf), GFP_KERNEL);
        if (precvpriv->pallocated_recv_buf == NULL) {
                res = _FAIL;
                RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
                                ("alloc recv_buf fail!\n"));
                goto exit;
        }
-       memset(precvpriv->pallocated_recv_buf, 0,
-                       NR_RECVBUFF * sizeof(struct recv_buf) + 4);
 
-       precvpriv->precv_buf = (u8 *)N_BYTE_ALIGMENT((size_t)
-                       (precvpriv->pallocated_recv_buf), 4);
+       precvpriv->precv_buf = precvpriv->pallocated_recv_buf;
 
 
        precvbuf = (struct recv_buf *)precvpriv->precv_buf;