3104 static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)

  3104 static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)

  3105 {

  3105 {

  3106 	struct e1000_adapter *adapter = netdev_priv(netdev);

  3106 	struct e1000_adapter *adapter = netdev_priv(netdev);

  3107 	struct e1000_tx_ring *tx_ring = adapter->tx_ring;

  3107 	struct e1000_tx_ring *tx_ring = adapter->tx_ring;

  3108 

  3108 

  3109 	netif_stop_queue(netdev);

  3113 	netif_stop_queue(netdev);

  3110 	/* Herbert's original patch had:

  3114 	/* Herbert's original patch had:

  3111 	 *  smp_mb__after_netif_stop_queue();

  3115 	 *  smp_mb__after_netif_stop_queue();

  3112 	 * but since that doesn't exist yet, just open code it. */

  3116 	 * but since that doesn't exist yet, just open code it. */

  3113 	smp_mb();

  3117 	smp_mb();