bottom_free 721 drivers/net/wireless/atmel/atmel.c u16 bottom_free = priv->host_info.tx_buff_size - priv->tx_buff_tail; bottom_free 726 drivers/net/wireless/atmel/atmel.c if (bottom_free >= len) bottom_free 729 drivers/net/wireless/atmel/atmel.c if (priv->tx_free_mem - bottom_free >= len) {