> return (TX_RING_SIZE - (bp->tx_head - bp->tx_tail) & (TX_RING_SIZE - > 1));
Is equivalent to: return (bp->tx_tail - bp->tx_head) & (TX_RING_SIZE - 1)); David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/