3290 static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)

  3290 static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)

  3291 {

  3291 {

  3292 	struct e1000_adapter *adapter = netdev_priv(netdev);

  3292 	struct e1000_adapter *adapter = netdev_priv(netdev);

  3293 	struct e1000_tx_ring *tx_ring = adapter->tx_ring;

  3293 	struct e1000_tx_ring *tx_ring = adapter->tx_ring;

  3294 

  3294 

  3295 	netif_stop_queue(netdev);

  3299 	netif_stop_queue(netdev);

  3296 	/* Herbert's original patch had:

  3300 	/* Herbert's original patch had:

  3297 	 *  smp_mb__after_netif_stop_queue();

  3301 	 *  smp_mb__after_netif_stop_queue();

  3298 	 * but since that doesn't exist yet, just open code it. */

  3302 	 * but since that doesn't exist yet, just open code it. */

  3299 	smp_mb();

  3303 	smp_mb();