unreg_uart_drv 1167 drivers/tty/serial/8250/8250_core.c goto unreg_uart_drv; unreg_uart_drv 1191 drivers/tty/serial/8250/8250_core.c unreg_uart_drv: unreg_uart_drv 1270 drivers/tty/serial/serial_txx9.c goto unreg_uart_drv; unreg_uart_drv 1294 drivers/tty/serial/serial_txx9.c unreg_uart_drv: