tty_ldisc_deref identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/tty/tty_ldisc.c, line 272

Defined in 1 files as a prototype:

include/linux/tty_ldisc.h, line 279 (as a prototype)

Defined in 1 files as a function:

drivers/tty/tty_ldisc.c, line 279 (as a function)

Referenced in 8 files:

Smatch caller information:

drivers/tty/tty_io.c file_tty_write() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
DATA_SOURCE	0	ld	r tty_ldisc_ref_wait
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_io.c tiocgetd() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
DATA_SOURCE	0	ld	r tty_ldisc_ref_wait
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_io.c tiocsti() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
DATA_SOURCE	0	ld	r tty_ldisc_ref_wait
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_io.c tty_compat_ioctl() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
DATA_SOURCE	0	ld	r tty_ldisc_ref_wait
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_io.c tty_ioctl() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
DATA_SOURCE	0	ld	r tty_ldisc_ref_wait
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_io.c tty_poll() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
DATA_SOURCE	0	ld	r tty_ldisc_ref_wait
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
HALF_LOCKED2		&kvm->irq_srcu
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&vm->irqfds_lock
HALF_LOCKED2		global &irqfds_srcu
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_io.c tty_read() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
PARAM_VALUE	0	ld->ops->read	0,4096-ptr_max
DATA_SOURCE	0	ld	r tty_ldisc_ref_wait
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_io.c tty_reopen() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	1-u64max
DATA_SOURCE	0	ld	r tty_ldisc_ref_wait
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
LOCK2		&tty->legacy_mutex
TYPE_LOCK		(struct tty_struct)->ldisc_sem
TYPE_LOCK		(struct tty_struct)->legacy_mutex

drivers/tty/tty_io.c tty_wakeup() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
DATA_SOURCE	0	ld	r tty_ldisc_ref
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
HALF_LOCKED2		&hp->lock
HALF_LOCKED2		&port->port_lock
HALF_LOCKED2		&port->slock
HALF_LOCKED2		&tty->flow.lock
HALF_LOCKED2		&tty->ldisc_sem
HALF_LOCKED2		flags
HALF_LOCKED2		global &moxa_lock
HALF_LOCKED2		irq
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_port.c tty_port_default_lookahead_buf() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
DATA_SOURCE	0	ld	r tty_ldisc_ref
NOCHECK_CALL
LOCK2		&buf->lock
LOCK2		&tty->ldisc_sem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct tty_bufhead)->lock
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_port.c tty_port_default_receive_buf() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
PARAM_VALUE	0	ld->tty->disc_data->no_room	0-1
PARAM_VALUE	0	ld->tty->driver_data->MCR	0-255
PARAM_VALUE	0	ld->tty->driver_data->ctrlout	0-255
PARAM_VALUE	0	ld->tty->driver_data->dlc->v24_sig	0-255
PARAM_VALUE	0	ld->tty->driver_data->func->card->host->claim_cnt	s32min-s32max
PARAM_VALUE	0	ld->tty->driver_data->func->card->host->claimed	0-1
PARAM_VALUE	0	ld->tty->driver_data->func_lock.dep_map->name	0-255
PARAM_VALUE	0	ld->tty->driver_data->func_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	ld->tty->driver_data->func_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	ld->tty->driver_data->func_lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	ld->tty->driver_data->func_lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	ld->tty->driver_data->func_lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	ld->tty->driver_data->func_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	ld->tty->driver_data->gsm->cretries	s32min-s32max
PARAM_VALUE	0	ld->tty->driver_data->gsm->kick_timer.flags	0-4294967295
PARAM_VALUE	0	ld->tty->driver_data->gsm->pending_cmd->cmd	0,113
PARAM_VALUE	0	ld->tty->driver_data->gsm->pending_cmd->done	0-1
PARAM_VALUE	0	ld->tty->driver_data->gsm->pending_cmd->error	(-110),(-95),0
PARAM_VALUE	0	ld->tty->driver_data->gsm->pending_cmd->len	0,2-3
PARAM_VALUE	0	ld->tty->driver_data->gsm->t2_timer.flags	0-4294967295
PARAM_VALUE	0	ld->tty->driver_data->gsm->tx_bytes	0-4294967295
PARAM_VALUE	0	ld->tty->driver_data->gsm->tx_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ld->tty->driver_data->ier	0-255
PARAM_VALUE	0	ld->tty->driver_data->mctrl	0-4294967295
PARAM_VALUE	0	ld->tty->driver_data->modem_tx	0-4294967295
PARAM_VALUE	0	ld->tty->driver_data->port_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ld->tty->driver_data->push.cpu	s32min-s32max
PARAM_VALUE	0	ld->tty->driver_data->push.timer.flags	0-4294967295
PARAM_VALUE	0	ld->tty->driver_data->throttled	0-1
PARAM_VALUE	0	ld->tty->driver_data->uart_port->mctrl	0-4294967295
PARAM_VALUE	0	ld->tty->driver_data->uart_port->private_data->throttled	0-1
PARAM_VALUE	0	ld->tty->driver_data->uart_port->state->refcount.counter	s32min-s32max
PARAM_VALUE	0	ld->tty->driver_data->uart_port->x_char	0-255
PARAM_VALUE	0	ld->tty->driver_data->write_fifo.kfifo.in	0-4294967295
PARAM_VALUE	0	ld->tty->driver_data->write_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	ld->tty->driver_data->x_char	0-255
PARAM_VALUE	0	ld->tty->flow_change	0
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->__state	0,512
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->core_node.__rb_parent_color	1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->delays->blkio_count	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->delays->lock.owner_cpu	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.dl_defer	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.dl_defer_armed	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.dl_defer_running	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.dl_non_contending	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.dl_overrun	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.dl_server	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.dl_throttled	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.dl_yielded	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.flags	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.inactive_timer.is_hard	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.inactive_timer.is_lazy	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.inactive_timer.is_queued	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.inactive_timer.is_soft	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->active_balance	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->clock_update_flags	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->core_enabled	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->core_forceidle_count	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->core_forceidle_seq	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->core_pick_seq	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->core_sched_seq	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->core_task_seq	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->cpu	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->has_blocked_load	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->hrtick_sched	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->idle_balance	0-255
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->membarrier_state	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->nohz_idle_balance	0-255
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->nohz_tick_stopped	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->nr_llc_running	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->nr_numa_running	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->nr_pinned	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->nr_pref_llc_running	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->nr_preferred_running	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->nr_running	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->numa_migrate_on	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->online	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->push_busy	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->push_cpu	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->sched_count	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->sched_goidle	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->ticks_without_resched	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->ttwu_count	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->ttwu_local	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->ttwu_pending	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->uclamp_flags	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->dl.rq->yld_count	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->mm->mm_cid.max_cids	0-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->mm->mm_cid.nr_cpus_allowed	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->mm->mm_cid.pcpu_thrs	1-1073741823
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->mm->mm_cid.update_deferred	1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->nr_cpus_allowed	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->numa_scan_period	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->on_rq	0-1,3-255
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->psi_flags	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->pushable_tasks.prio	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->recent_used_cpu	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->rseq.event.ids_changed	1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->rt.on_list	0-u16max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->rt.on_rq	0-u16max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->rt.time_slice	0-4294967295
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->sched_contributes_to_load	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->sched_migrated	1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->sched_remote_wakeup	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->se.cfs_rq->propagate	1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->se.cfs_rq->removed.lock.owner	(-1)
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->se.cfs_rq->rq->donor->__state	0,512
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->se.cfs_rq->rq->donor->wake_cpu	0-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->throttled	0-1
PARAM_VALUE	0	ld->tty->link->disc_data->proto_lock.writer.task->wake_cpu	0-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->refcnt.refs.counter	s32min-s32max
PARAM_VALUE	0	ld->tty->link->disc_data->serio->dev.driver_data->xmit.tail	0-255
PARAM_VALUE	0	ld->tty->link->ldisc_sem.read_wait.next	4096-ptr_max
PARAM_VALUE	0	ld->tty->link->ldisc_sem.read_wait.next->next	4096-ptr_max
PARAM_VALUE	0	ld->tty->link->ldisc_sem.read_wait.prev	4096-ptr_max
PARAM_VALUE	0	ld->tty->link->ldisc_sem.read_wait.prev->next	4096-ptr_max
PARAM_VALUE	0	ld->tty->link->ldisc_sem.read_wait.prev->prev	4096-ptr_max
PARAM_VALUE	0	ld->tty->port->buf.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	ld->tty->receive_room	0-s32max
PARAM_VALUE	0	ld->tty->termios_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	ld->tty->termios_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	*ld->tty->driver_data->write_fifo->kfifo->data	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*ld->tty->driver_data->write_fifo.kfifo->data	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*ld->tty->link->disc_data->proto_lock.read_count	0-4294967295
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
DATA_SOURCE	0	ld	r tty_ldisc_ref
NOCHECK_CALL
LOCK2		&buf->lock
LOCK2		&tty->ldisc_sem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct tty_bufhead)->lock
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/serial/serial_core.c uart_handle_dcd_change() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
DATA_SOURCE	0	ld	r tty_ldisc_ref
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
HALF_LOCKED2		&atmel_port->lock_suspended
HALF_LOCKED2		&icom_port->uart_port.lock
HALF_LOCKED2		&port->lock
HALF_LOCKED2		&s->port.lock
HALF_LOCKED2		&sport->port.lock
HALF_LOCKED2		&u->lock
HALF_LOCKED2		&uport->lock
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		lock_flags
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_ioctl.c set_termios() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	1-u64max
PARAM_VALUE	0	ld->ops	4096-ptr_max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
DATA_SOURCE	0	ld	r tty_ldisc_ref
NOCHECK_CALL
LOCK2		&tty->atomic_write_lock
LOCK2		&tty->ldisc_sem
LOCK2		&tty->ldisc_sem
TYPE_LOCK		(struct tty_struct)->atomic_write_lock
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_ioctl.c tty_perform_flush() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	1-u64max
DATA_SOURCE	0	ld	r tty_ldisc_ref_wait
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_ioctl.c tty_set_termios() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
DATA_SOURCE	0	ld	r tty_ldisc_ref
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
LOCK2		&tty->termios_rwsem
HALF_LOCKED2		&hdev->req_lock
HALF_LOCKED2		&tty->atomic_write_lock
HALF_LOCKED2		&tty->ldisc_sem
HALF_LOCKED2		global &spk_mutex
TYPE_LOCK		(struct tty_struct)->ldisc_sem
TYPE_LOCK		(struct tty_struct)->termios_rwsem

drivers/usb/serial/generic.c usb_serial_handle_dcd_change() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
DATA_SOURCE	0	ld	r tty_ldisc_ref
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
HALF_LOCKED2		&priv->lock
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/usb/class/cdc-acm.c acm_process_notification() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
DATA_SOURCE	0	ld	r tty_ldisc_ref
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&acm->port.tty->ldisc_sem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/vt/selection.c paste_selection() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	1-u64max
PARAM_VALUE	0	ld->tty->termios_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	ld->tty->termios_rwsem.first_waiter->type	0-1
DATA_SOURCE	0	ld	r tty_ldisc_ref_wait
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_ldisc.c tty_ldisc_flush() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
DATA_SOURCE	0	ld	r tty_ldisc_ref
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
HALF_LOCKED2		&tty->legacy_mutex
HALF_LOCKED2		global &spk_mutex
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/tty_ldisc.c tty_ldisc_hangup() -> tty_ldisc_deref()

Type	Parameter	Key	Value
PARAM_VALUE	0	ld	4096-ptr_max
PARAM_VALUE	0	ld->ops	4096-ptr_max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
BUF_SIZE	0	ld	(-1),4,16,24,64,168-s32max
DATA_SOURCE	0	ld	r tty_ldisc_ref
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
LOCK2		&tty->legacy_mutex
HALF_LOCKED2		&tty->driver_data->d_lockref.lock
TYPE_LOCK		(struct tty_struct)->ldisc_sem
TYPE_LOCK		(struct tty_struct)->legacy_mutex