3260 static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)

  3260 static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)

  3261 {

  3261 {

  3262 	struct e1000_adapter *adapter = netdev_priv(netdev);

  3262 	struct e1000_adapter *adapter = netdev_priv(netdev);

  3263 	struct e1000_tx_ring *tx_ring = adapter->tx_ring;

  3263 	struct e1000_tx_ring *tx_ring = adapter->tx_ring;

  3264 

  3264 

  3265 	netif_stop_queue(netdev);

  3269 	netif_stop_queue(netdev);

  3266 	/* Herbert's original patch had:

  3270 	/* Herbert's original patch had:

  3267 	 *  smp_mb__after_netif_stop_queue();

  3271 	 *  smp_mb__after_netif_stop_queue();

  3268 	 * but since that doesn't exist yet, just open code it. */

  3272 	 * but since that doesn't exist yet, just open code it. */

  3269 	smp_mb();

  3273 	smp_mb();