tag	line	file	source code
refcount	1503	drivers/char/console.c	console_driver.refcount = &console_refcount;
refcount	206	drivers/char/pty.c	pty_driver.refcount = &pty_refcount;
refcount	2280	drivers/char/serial.c	serial_driver.refcount = &serial_refcount;
refcount	816	drivers/char/tty_io.c	(*driver->refcount)++;
refcount	842	drivers/char/tty_io.c	(*driver->other->refcount)++;
refcount	1034	drivers/char/tty_io.c	(*tty->driver.refcount)--;
refcount	1038	drivers/char/tty_io.c	(*o_tty->driver.refcount)--;
refcount	110	include/linux/tty_driver.h	int  *refcount;  /* for loadable tty drivers */