tty_kref_get identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/tty.h, line 386

Defined in 1 files as a function:

include/linux/tty.h, line 395 (as a function)

Referenced in 8 files:

Smatch caller information:

drivers/tty/tty_io.c tty_driver_lookup_tty() -> tty_kref_get()

Type	Parameter	Key	Value
PARAM_VALUE	0	tty	0-ptr_max
BUF_SIZE	0	tty	(-1),1-s32max
BUF_SIZE	0	tty	(-1),1-s32max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		global &tty_mutex

drivers/tty/tty_port.c tty_port_tty_get() -> tty_kref_get()

Type	Parameter	Key	Value
BUF_SIZE	0	tty	s32min,(-1),1-s32max
BUF_SIZE	0	tty	s32min,(-1),1-s32max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&port->lock
LOCK2		irq
HALF_LOCKED2		&dc->spin_mutex
HALF_LOCKED2		&dev->event_lock
HALF_LOCKED2		&edge_serial->es_lock
HALF_LOCKED2		&gsm->mutex
HALF_LOCKED2		&hp->lock
HALF_LOCKED2		&port->slock
HALF_LOCKED2		&priv->lock
HALF_LOCKED2		&priv->port.lock
HALF_LOCKED2		&serial->serial_lock
HALF_LOCKED2		&sport->port.lock
HALF_LOCKED2		flags
HALF_LOCKED2		global &kbd_event_lock
HALF_LOCKED2		global &moxa_lock
HALF_LOCKED2		rcu_read
TYPE_LOCK		(struct tty_port)->lock

drivers/tty/tty_port.c tty_port_tty_set() -> tty_kref_get()

Type	Parameter	Key	Value
PARAM_VALUE	0	tty	0,4096-ptr_max
PARAM_VALUE	0	tty->link->termios_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	tty->link->termios_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	tty->ops	4096-ptr_max
PARAM_VALUE	0	tty->ops->lookup	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->open	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->write	0,4096-ptr_max
PARAM_VALUE	0	tty->termios_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	tty->termios_rwsem.first_waiter->type	0-1
BUF_SIZE	0	tty	s32min,(-1),1-s32max
BUF_SIZE	0	tty	s32min,(-1),1-s32max
BUF_SIZE	0	tty->driver_data	(-1),1-s32max
BUF_SIZE	0	tty->link->driver_data	(-1),1-s32max
BUF_SIZE	0	tty->ops	(-1),296
CAPPED_DATA	0	tty	1
DATA_SOURCE	0	tty	$1
NOSPEC	0	tty->index
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	tty->index	0-s16max[c]
USER_DATA	0	tty->termios.c_ispeed	0-u32max
USER_DATA	0	tty->termios.c_ospeed	0-u32max
LOCK2		&port->lock
LOCK2		irq
HALF_LOCKED2		&gsm->mutex
HALF_LOCKED2		&serial->disc_mutex
HALF_LOCKED2		&serial->parent->mutex
HALF_LOCKED2		&tty->legacy_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		global &console_mutex
HALF_LOCKED2	0	&tty->legacy_mutex
TYPE_LOCK		(struct tty_port)->lock

kernel/fork.c copy_process() -> tty_kref_get()

Type	Key	Value
PREEMPT_ADD		<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2	global &tasklist_lock
LOCK2	irq

drivers/accessibility/speakup/selection.c speakup_paste_selection() -> tty_kref_get()

Type	Parameter	Key	Value
DATA_SOURCE	0	tty	$0
NOCHECK_CALL
LOCK2		flags
LOCK2		global &speakup_info.spinlock
TYPE_LOCK		(struct speakup_info_t)->spinlock

drivers/accessibility/speakup/selection.c speakup_set_selection() -> tty_kref_get()

Type	Parameter	Key	Value
DATA_SOURCE	0	tty	$0
NOCHECK_CALL
LOCK2		flags
LOCK2		global &speakup_info.spinlock
TYPE_LOCK		(struct speakup_info_t)->spinlock

drivers/tty/n_gsm.c gsmld_attach_gsm() -> tty_kref_get()

Type	Parameter	Key	Value
PARAM_VALUE	0	tty	4096-ptr_max
PARAM_VALUE	0	tty->disc_data	4096-ptr_max
PARAM_VALUE	0	tty->ops	4096-ptr_max
PARAM_VALUE	0	tty->ops->break_ctl	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->chars_in_buffer	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->cleanup	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->close	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->compat_ioctl	0,1607379221601308672,5008286898947497984,6364353445524312064
PARAM_VALUE	0	tty->ops->flush_buffer	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->flush_chars	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->get_icount	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->get_serial	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->hangup	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->install	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->ioctl	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->ldisc_ok	0,6843386834578624512
PARAM_VALUE	0	tty->ops->lookup	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->open	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->poll_get_char	0,4172584550987694080,8810588628199956480
PARAM_VALUE	0	tty->ops->poll_init	0,1455831725284642816,7005422354281586688
PARAM_VALUE	0	tty->ops->poll_put_char	0,317088091350007808,4944462343817641984
PARAM_VALUE	0	tty->ops->proc_show	0,356236415985979392,5729891321464528896,9011853526131630080
PARAM_VALUE	0	tty->ops->put_char	0,46317935159074816,946511232463630336,5234932001147445248,6499862429192966144,7134038662404317184
PARAM_VALUE	0	tty->ops->remove	0,384629141214146560,3489019467251376128
PARAM_VALUE	0	tty->ops->resize	0,2815742157479378944,7598537204212207616
PARAM_VALUE	0	tty->ops->send_xchar	0,2462859047340216320,4708555404674125824,8710759130855649280
PARAM_VALUE	0	tty->ops->set_ldisc	0,1741587377620623360
PARAM_VALUE	0	tty->ops->set_serial	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->set_termios	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->show_fdinfo	0,5525676422896762880
PARAM_VALUE	0	tty->ops->shutdown	0,3518621193109893120,5469287042401259520
PARAM_VALUE	0	tty->ops->start	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->stop	0,550124932249174016,3234480389994364928,5153393563898503168,6441875407016759296,7334840043119542272
PARAM_VALUE	0	tty->ops->throttle	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->tiocmget	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->tiocmset	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->unthrottle	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->wait_until_sent	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->write	4096-ptr_max
PARAM_VALUE	0	tty->ops->write_room	0,4096-ptr_max
PARAM_VALUE	0	tty->receive_room	65536
PARAM_VALUE	0	tty->termios_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	tty->termios_rwsem.first_waiter->type	0-1
BUF_SIZE	0	tty	s32min,(-1),1-s32max
BUF_SIZE	0	tty	s32min,(-1),1-s32max
BUF_SIZE	0	tty->disc_data	1552
BUF_SIZE	0	tty->ldisc	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	tty->port->itty	(-1),8-s32max
DATA_SOURCE	0	tty	$0
CAPABLE	0	12
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	tty->termios.c_line	0-30
NO_OVERFLOW_SIMPLE	0	tty->driver_data->d_fsdata
NO_OVERFLOW_SIMPLE	0	tty->driver_data->d_fsdata->d_fsdata
NO_OVERFLOW_SIMPLE	0	tty->name
HALF_LOCKED2		&tty->legacy_mutex
HALF_LOCKED2	0	&tty->ldisc_sem
HALF_LOCKED2	0	&tty->legacy_mutex

drivers/tty/tty_mutex.c tty_lock() -> tty_kref_get()

Type	Parameter	Key	Value
PARAM_VALUE	0	tty->link->termios_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	tty->link->termios_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	tty->ops->chars_in_buffer	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->close	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->hangup	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->ldisc_ok	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->lookup	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->open	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->set_ldisc	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->set_termios	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->write	0,4096-ptr_max
PARAM_VALUE	0	tty->termios_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	tty->termios_rwsem.first_waiter->type	0-1
BUF_SIZE	0	tty	s32min,(-1),1-s32max
BUF_SIZE	0	tty	s32min,(-1),1-s32max
BUF_SIZE	0	tty->driver_data	(-1),1-s32max
BUF_SIZE	0	tty->link->driver_data	(-1),1-s32max
DATA_SOURCE	0	tty	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&tty->legacy_mutex
HALF_LOCKED2		global &spk_mutex
HALF_LOCKED2	0	&tty->driver_data->d_lockref.lock

drivers/tty/tty_mutex.c tty_lock_interruptible() -> tty_kref_get()

Type	Parameter	Key	Value
PARAM_VALUE	0	tty	4096-ptr_max
PARAM_VALUE	0	tty->port	4096-ptr_max
BUF_SIZE	0	tty	(-1),1-s32max
BUF_SIZE	0	tty	(-1),1-s32max
DATA_SOURCE	0	tty	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

kernel/audit.c audit_get_tty() -> tty_kref_get()

Type	Key	Value
PREEMPT_ADD		<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2	flags

drivers/tty/tty_jobctrl.c __proc_set_tty() -> tty_kref_get()

Type	Parameter	Key	Value
PARAM_VALUE	0	tty	4096-ptr_max
PARAM_VALUE	0	tty->ctrl.lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	tty->ctrl.pgrp	0,4096-ptr_max
PARAM_VALUE	0	tty->ctrl.session	0,4096-ptr_max
PARAM_VALUE	0	tty->legacy_mutex.dep_map->name	0-255
PARAM_VALUE	0	tty->legacy_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	tty->legacy_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	tty->legacy_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	tty->legacy_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	tty->ops->lookup	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->open	0,4096-ptr_max
PARAM_VALUE	0	tty->termios_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	tty->termios_rwsem.first_waiter->type	0-1
BUF_SIZE	0	tty	(-1),1-s32max
BUF_SIZE	0	tty	(-1),1-s32max
DATA_SOURCE	0	tty	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &tasklist_lock
LOCK2		irq
HALF_LOCKED2	0	&tty->legacy_mutex

drivers/tty/tty_jobctrl.c get_current_tty() -> tty_kref_get()

Type	Key	Value
PREEMPT_ADD		<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2	flags