tty_unregister_device identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/tty/tty_io.c, line 3270

Defined in 1 files as a prototype:

include/linux/tty_driver.h, line 603 (as a prototype)

Defined in 1 files as a function:

drivers/tty/tty_io.c, line 3280 (as a function)

Referenced in 20 files:

Smatch caller information:

drivers/tty/tty_io.c destruct_tty_driver() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	0	driver	4096-ptr_max
PARAM_VALUE	0	driver->flags	1-u64max
PARAM_VALUE	0	driver->num	1-u32max
PARAM_VALUE	0	driver->termios	4096-ptr_max
PARAM_VALUE	1	index	0-s32max
CAPPED_DATA	1	index	1
PARAM_COMPARE	0	driver->num	> $1
PARAM_COMPARE	1	index	< $0->num
BIT_INFO	0	driver->flags	0x1,0xfffffffffffffff7
NOCHECK_CALL
UNITS	1	index	unit_array_size

drivers/tty/tty_io.c tty_register_driver() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	0	driver	4096-ptr_max
PARAM_VALUE	0	driver->cdevs	4096-ptr_max
PARAM_VALUE	0	driver->flags	6,12,14,44,134,326,350
PARAM_VALUE	0	driver->kref.refcount.refs.counter	1
PARAM_VALUE	0	driver->num	1-u32max
PARAM_VALUE	0	driver->ops	4096-ptr_max
PARAM_VALUE	0	driver->ops->break_ctl	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->chars_in_buffer	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->cleanup	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->close	4096-ptr_max
PARAM_VALUE	0	driver->ops->compat_ioctl	0,1607379221601308672,5008286898947497984,6364353445524312064
PARAM_VALUE	0	driver->ops->flush_buffer	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->flush_chars	0,1052010245467496448,2980791929595514880,3704408163259400192,5936479321816121344,7727514164138360832
PARAM_VALUE	0	driver->ops->get_icount	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->get_serial	0,1330961132715589632,4039553157414182912,4811237459575484416,4871069280902643712,5552263133363023872,6182381990465540096
PARAM_VALUE	0	driver->ops->hangup	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->install	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->ioctl	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->ldisc_ok	0,6843386834578624512
PARAM_VALUE	0	driver->ops->lookup	0,1028560029362032640,3174408500077174784
PARAM_VALUE	0	driver->ops->open	4096-ptr_max
PARAM_VALUE	0	driver->ops->poll_get_char	0,4172584550987694080,8810588628199956480
PARAM_VALUE	0	driver->ops->poll_init	0,1455831725284642816,7005422354281586688
PARAM_VALUE	0	driver->ops->poll_put_char	0,317088091350007808,4944462343817641984
PARAM_VALUE	0	driver->ops->proc_show	0,356236415985979392,5729891321464528896,9011853526131630080
PARAM_VALUE	0	driver->ops->put_char	0,46317935159074816,946511232463630336,5234932001147445248,6499862429192966144,7134038662404317184
PARAM_VALUE	0	driver->ops->remove	0,384629141214146560,3489019467251376128
PARAM_VALUE	0	driver->ops->resize	0,2815742157479378944,7598537204212207616
PARAM_VALUE	0	driver->ops->send_xchar	0,2462859047340216320,4708555404674125824,8710759130855649280
PARAM_VALUE	0	driver->ops->set_ldisc	0,1741587377620623360
PARAM_VALUE	0	driver->ops->set_serial	0,1094580457323642880,1874457111024828416,3044275849337626624,4342027950721310720,4577945029913939968,6749800265494245376
PARAM_VALUE	0	driver->ops->set_termios	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->show_fdinfo	0,5525676422896762880
PARAM_VALUE	0	driver->ops->shutdown	0,3518621193109893120,5469287042401259520
PARAM_VALUE	0	driver->ops->start	0,251324532200828928,1038803386632884224,1167599979921588224,1380472159287435264,2505730045728698368
PARAM_VALUE	0	driver->ops->stop	0,550124932249174016,3234480389994364928,5153393563898503168,6441875407016759296,7334840043119542272
PARAM_VALUE	0	driver->ops->throttle	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->tiocmget	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->tiocmset	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->unthrottle	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->wait_until_sent	0,2578158375326154752,2614800216018440192,6874988682411192320,7074827580452507648,7916194843820081152
PARAM_VALUE	0	driver->ops->write	4096-ptr_max
PARAM_VALUE	0	driver->ops->write_room	4096-ptr_max
PARAM_VALUE	0	driver->owner	0
PARAM_VALUE	0	driver->tty_drivers.next	4096-ptr_max
PARAM_VALUE	0	driver->tty_drivers.prev	2658480706137264128
PARAM_VALUE	0	driver->type	0-3
PARAM_VALUE	1	index	0-s32max
BUF_SIZE	0	driver	200
BUF_SIZE	0	driver->driver_name	(-1),3-4,7-11
BUF_SIZE	0	driver->driver_state	(-1),64
BUF_SIZE	0	driver->flip_wq	(-1),512,528-8720
BUF_SIZE	0	driver->name	(-1)-s32max
BUF_SIZE	0	driver->other	(-1),200
CAPPED_DATA	0	driver->name	1
CAPPED_DATA	0	driver->num	1
DATA_SOURCE	0	driver	$0
STR_LEN	0	driver->driver_name	(-1),2-3,6-10
STR_LEN	0	driver->name	(-1),3-9
STR_LEN	0	driver->other->driver_name	(-1),10
STR_LEN	0	driver->other->name	(-1),3
BIT_INFO	0	driver->flags	0x0,0x1f7
BIT_INFO	0	driver->num	0x0,0x7fffffff
HARD_MAX	0	driver->type	3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	driver->num
NO_OVERFLOW_SIMPLE	0	driver->other->num
NO_OVERFLOW_SIMPLE	1	index
UNITS	1	index	unit_array_size
LOCK2		_T->lock
HALF_LOCKED2		global &goldfish_tty_lock

drivers/tty/tty_port.c tty_port_unregister_device() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	0	driver->ops->break_ctl	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->chars_in_buffer	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->cleanup	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->close	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->compat_ioctl	0,1607379221601308672,5008286898947497984,6364353445524312064
PARAM_VALUE	0	driver->ops->flush_buffer	0,759512161776693248,1438963212235436032,3037852187181395968,3356400052838694912,4884767172415688704,8736245651927326720,8787202642060013568
PARAM_VALUE	0	driver->ops->flush_chars	0,1052010245467496448,2980791929595514880,3704408163259400192,5936479321816121344,7727514164138360832
PARAM_VALUE	0	driver->ops->get_icount	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->get_serial	0,1330961132715589632,4039553157414182912,4811237459575484416,4871069280902643712,5552263133363023872,6182381990465540096
PARAM_VALUE	0	driver->ops->hangup	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->install	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->ioctl	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->ldisc_ok	0,6843386834578624512
PARAM_VALUE	0	driver->ops->lookup	0,1028560029362032640,3174408500077174784
PARAM_VALUE	0	driver->ops->open	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->poll_get_char	0,4172584550987694080,8810588628199956480
PARAM_VALUE	0	driver->ops->poll_init	0,1455831725284642816,7005422354281586688
PARAM_VALUE	0	driver->ops->poll_put_char	0,317088091350007808,4944462343817641984
PARAM_VALUE	0	driver->ops->proc_show	0,356236415985979392,5729891321464528896,9011853526131630080
PARAM_VALUE	0	driver->ops->put_char	0,46317935159074816,946511232463630336,5234932001147445248,6499862429192966144,7134038662404317184
PARAM_VALUE	0	driver->ops->remove	0,384629141214146560,3489019467251376128
PARAM_VALUE	0	driver->ops->resize	0,2815742157479378944,7598537204212207616
PARAM_VALUE	0	driver->ops->send_xchar	0,2462859047340216320,4708555404674125824,8710759130855649280
PARAM_VALUE	0	driver->ops->set_ldisc	0,1741587377620623360
PARAM_VALUE	0	driver->ops->set_serial	0,1094580457323642880,1874457111024828416,3044275849337626624,4342027950721310720,4577945029913939968,6749800265494245376
PARAM_VALUE	0	driver->ops->set_termios	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->show_fdinfo	0,5525676422896762880
PARAM_VALUE	0	driver->ops->shutdown	0,3518621193109893120,5469287042401259520
PARAM_VALUE	0	driver->ops->start	0,251324532200828928,1038803386632884224,1167599979921588224,1380472159287435264,2505730045728698368
PARAM_VALUE	0	driver->ops->stop	0,550124932249174016,3234480389994364928,5153393563898503168,6441875407016759296,7334840043119542272
PARAM_VALUE	0	driver->ops->throttle	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->tiocmget	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->tiocmset	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->unthrottle	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->wait_until_sent	0,2578158375326154752,2614800216018440192,6874988682411192320,7074827580452507648,7916194843820081152
PARAM_VALUE	0	driver->ops->write	0,4096-ptr_max
PARAM_VALUE	0	driver->ops->write_room	0,4096-ptr_max
BUF_SIZE	0	driver	(-1),200
BUF_SIZE	0	driver	(-1),200
BUF_SIZE	0	driver->driver_name	(-1),7
DATA_SOURCE	0	driver	$1
DATA_SOURCE	1	index	$2
STR_LEN	0	driver->driver_name	(-1),6
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	driver->num
UNITS	1	index	unit_array_size
HALF_LOCKED2		_T->lock

drivers/tty/nozomi.c nozomi_card_init() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	0	driver	4096-ptr_max
PARAM_VALUE	0	*driver->cdevs	0,4096-ptr_max
PARAM_VALUE	0	*driver->termios	0
PARAM_VALUE	1	index	0-254
CAPPED_DATA	0	driver->num	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/tty/nozomi.c tty_exit() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	0	driver	0,4096-ptr_max,(-22),(-12)
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&dev->mutex

drivers/tty/n_gsm.c gsm_register_devices() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	0	driver	4096-ptr_max
PARAM_VALUE	1	index	1-254
NOCHECK_CALL
LOCK2		&tty->ldisc_sem
TYPE_LOCK		(struct tty_struct)->ldisc_sem

drivers/tty/n_gsm.c gsm_unregister_devices() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	0	driver	0,4096-ptr_max,(-22),(-12)
PARAM_VALUE	1	index	1-255
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&gsm->mutex
HALF_LOCKED2		&tty->ldisc_sem
TYPE_LOCK		(struct gsm_mux)->mutex

drivers/staging/greybus/uart.c gb_uart_remove() -> tty_unregister_device()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&dev->mutex

drivers/tty/goldfish.c goldfish_tty_remove() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	1	index	0-s16max,4294934528-u32max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	index	unit_array_size
LOCK2		_T->lock
HALF_LOCKED2		&_dev->mutex

drivers/usb/host/xhci-dbgtty.c xhci_dbc_tty_unregister_device() -> tty_unregister_device()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&dbc->enable_mutex

drivers/tty/rpmsg_tty.c rpmsg_tty_remove() -> tty_unregister_device()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/tty/moxa.c moxa_board_deinit() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	0	driver	0,4096-ptr_max,(-22),(-12)
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		_T->lock
HALF_LOCKED2		&dev->mutex

drivers/ipack/devices/ipoctal.c __ipoctal_remove() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	1	index	0-7
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&device->mutex
LOCK2		_T->lock
TYPE_LOCK		(struct device)->mutex

drivers/usb/serial/bus.c usb_serial_device_remove() -> tty_unregister_device()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&dev->mutex

net/bluetooth/rfcomm/tty.c rfcomm_dev_destruct() -> tty_unregister_device()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&tty->legacy_mutex
HALF_LOCKED2		global &rfcomm_dev_lock
HALF_LOCKED2		global &rfcomm_ioctl_mutex

drivers/usb/class/cdc-acm.c acm_disconnect() -> tty_unregister_device()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/usb/gadget/function/u_serial.c gserial_free_line() -> tty_unregister_device()

Type	Parameter	Key	Value
DATA_SOURCE	1	index	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/tty/mxser.c mxser_probe() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	0	driver	4096-ptr_max
PARAM_VALUE	0	*driver->cdevs	0,4096-ptr_max
PARAM_VALUE	0	*driver->termios	0
PARAM_VALUE	1	index	0-277
CAPPED_DATA	0	driver->num	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/tty/mxser.c mxser_remove() -> tty_unregister_device()

Type	Parameter	Key	Value
PARAM_VALUE	0	driver	0,4096-ptr_max,(-22),(-12)
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/net/usb/hso.c hso_serial_tty_unregister() -> tty_unregister_device()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/mmc/core/sdio_uart.c sdio_uart_remove() -> tty_unregister_device()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&dev->mutex