TxFIFOUnder 580 drivers/net/ethernet/dec/tulip/de2104x.c if (status & TxFIFOUnder) TxFIFOUnder 672 drivers/net/ethernet/realtek/8139cp.c if (status & (TxError | TxFIFOUnder)) { TxFIFOUnder 682 drivers/net/ethernet/realtek/8139cp.c if (status & TxFIFOUnder)