tag	line	file	source code
refcount	1451	drivers/char/console.c	console_driver.refcount = &console_refcount;
refcount	179	drivers/char/pty.c	pty_driver.refcount = &pty_refcount;
refcount	2208	drivers/char/serial.c	serial_driver.refcount = &serial_refcount;
refcount	815	drivers/char/tty_io.c	(*driver->refcount)++;
refcount	836	drivers/char/tty_io.c	(*driver->other->refcount)++;
refcount	1027	drivers/char/tty_io.c	(*tty->driver.refcount)--;
refcount	1031	drivers/char/tty_io.c	(*o_tty->driver.refcount)--;
refcount	103	include/linux/tty_driver.h	int  *refcount;  /* for loadable tty drivers */