*   device_ioctl - ioctl entry
  *   device_close - shutdown mac/bbp & free dma/descriptor resource
  *   device_alloc_frag_buf - rx fragement pre-allocated function
- *   device_free_tx_bufs - free tx buffer function
+ *   vnt_free_tx_bufs - free tx buffer function
  *   device_dma0_tx_80211- tx 802.11 frame via dma0
  *   device_dma0_xmit- tx PS buffered frame via dma0
  *   vnt_init_registers- initial MAC & BBP & RF internal registers.
        return true;
 }
 
-static void device_free_tx_bufs(struct vnt_private *priv)
+static void vnt_free_tx_bufs(struct vnt_private *priv)
 {
        struct vnt_usb_send_context *tx_context;
        int ii;
        device_free_rx_bufs(priv);
 
 free_tx:
-       device_free_tx_bufs(priv);
+       vnt_free_tx_bufs(priv);
 
        return false;
 }
 
 free_all:
        device_free_rx_bufs(priv);
-       device_free_tx_bufs(priv);
+       vnt_free_tx_bufs(priv);
        device_free_int_bufs(priv);
 
        usb_kill_urb(priv->interrupt_urb);
 
        priv->cmd_running = false;
 
-       device_free_tx_bufs(priv);
+       vnt_free_tx_bufs(priv);
        device_free_rx_bufs(priv);
        device_free_int_bufs(priv);