-#ifdef NETIF_F_LLTX
- local_irq_save(flags);
- if (!spin_trylock(&adapter->tx_lock)) {
- /* Collision - tell upper layer to requeue */
- local_irq_restore(flags);
- return NETDEV_TX_LOCKED;
- }
-#else
- spin_lock_irqsave(&adapter->tx_lock, flags);
-#endif