ch341_set_termios identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/usb/serial/ch341.c, line 111 (as a prototype)

Defined in 1 files as a function:

drivers/usb/serial/ch341.c, line 510 (as a function)

Referenced in 1 files:

drivers/usb/serial/ch341.c
- line 457
- line 875

Smatch caller information:

drivers/usb/serial/ch341.c ch341_open() -> ch341_set_termios()

Type	Parameter	Key	Value
PARAM_VALUE	0	tty	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
PARAM_VALUE	1	port	4096-ptr_max
PARAM_VALUE	1	port->serial	4096-ptr_max
PARAM_VALUE	1	port->serial->disc_mutex.dep_map->name	0-255
PARAM_VALUE	1	port->serial->disc_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	1	port->serial->disc_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	1	port->serial->disc_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	1	port->serial->disc_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	1	port->serial->disc_mutex.wait_lock.owner	(-1)
PARAM_VALUE	1	port->serial->disc_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	port->serial->disconnected	0
PARAM_VALUE	1	port->serial->interface	4096-ptr_max
PARAM_VALUE	1	port->serial->interface->dev.power.request	0-4
PARAM_VALUE	1	port->serial->interface->dev.power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	1	port->serial->interface->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	1	port->serial->type	4096-ptr_max
PARAM_VALUE	2	old_termios	0
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
DATA_SOURCE	0	tty	$0
DATA_SOURCE	1	port	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&serial->disc_mutex
LOCK2		_T->lock
HALF_LOCKED2		&tty->legacy_mutex
HALF_LOCKED2		global &spk_mutex
HALF_LOCKED2	0	&tty->legacy_mutex
TYPE_LOCK		(struct usb_serial)->disc_mutex

drivers/usb/serial/usb-serial.c serial_set_termios() -> (struct usb_serial_driver)->set_termios()

Type	Parameter	Key	Value
PARAM_VALUE	0	tty	4096-ptr_max
PARAM_VALUE	0	tty->driver	4096-ptr_max
PARAM_VALUE	0	tty->driver_data	4096-ptr_max
PARAM_VALUE	0	tty->ops	4096-ptr_max
PARAM_VALUE	0	tty->ops->close	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->lookup	0,1028560029362032640,3174408500077174784
PARAM_VALUE	0	tty->ops->open	0,4096-ptr_max
PARAM_VALUE	0	tty->ops->set_termios	4096-ptr_max
PARAM_VALUE	0	tty->ops->wait_until_sent	0,2578158375326154752,2614800216018440192,6874988682411192320,7074827580452507648,7916194843820081152
PARAM_VALUE	0	tty->termios_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	tty->termios_rwsem.first_waiter->type	0-1
PARAM_VALUE	1	port	4096-ptr_max
PARAM_VALUE	1	port->serial	4096-ptr_max
PARAM_VALUE	1	port->serial->type	4096-ptr_max
PARAM_VALUE	1	port->serial->type->set_termios	4096-ptr_max
PARAM_VALUE	2	old_termios	1767035511140073472,3137504346029961216
BUF_SIZE	0	tty	s32min,(-1),1-s32max
BUF_SIZE	0	tty	s32min,(-1),1-s32max
BUF_SIZE	1	port	s32min-(-2),1-s32max
BUF_SIZE	1	port	s32min-(-2),1-s32max
CAPPED_DATA	0	tty	1
DATA_SOURCE	0	tty	$0
DATA_SOURCE	2	old_termios	$1
CONTAINER	1	-368-8-0+0	$(-1)
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	tty->termios.c_cflag	0-u32max[c]
USER_DATA	0	tty->termios.c_iflag	0-u32max[c]
USER_DATA	0	tty->termios.c_ispeed	0-u32max
USER_DATA	0	tty->termios.c_lflag	0-u32max[c]
USER_DATA	0	tty->termios.c_line	0-255
USER_DATA	0	tty->termios.c_oflag	0-u32max[c]
USER_DATA	0	tty->termios.c_ospeed	0-u32max
LOCK2	0	&tty->termios_rwsem
HALF_LOCKED2		&tty->ldisc_sem
HALF_LOCKED2	0	&tty->atomic_write_lock
HALF_LOCKED2	0	&tty->ldisc_sem
HALF_LOCKED2	0	&tty->legacy_mutex
TYPE_LOCK		(struct tty_struct)->termios_rwsem

drivers/usb/serial/console.c usb_console_setup() -> (struct usb_serial_driver)->set_termios()

Type	Parameter	Key	Value
PARAM_VALUE	0	tty	4096-ptr_max
PARAM_VALUE	0	tty->driver	4096-ptr_max
PARAM_VALUE	0	tty->driver->owner	0,4096-ptr_max
PARAM_VALUE	0	tty->index	s16min-s16max
PARAM_VALUE	0	tty->ldisc_sem.count.counter	0
PARAM_VALUE	0	tty->ldisc_sem.dep_map->name	0-255
PARAM_VALUE	0	tty->ldisc_sem.read_wait.next	4096-ptr_max
PARAM_VALUE	0	tty->ldisc_sem.read_wait.next->next	4096-ptr_max
PARAM_VALUE	0	tty->ldisc_sem.read_wait.prev	4096-ptr_max
PARAM_VALUE	0	tty->ldisc_sem.read_wait.prev->next	4096-ptr_max
PARAM_VALUE	0	tty->ldisc_sem.read_wait.prev->prev	4096-ptr_max
PARAM_VALUE	0	tty->ldisc_sem.wait_lock.magic	3735899821
PARAM_VALUE	0	tty->ldisc_sem.wait_lock.owner	(-1)
PARAM_VALUE	0	tty->ldisc_sem.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	tty->ldisc_sem.wait_readers	0
PARAM_VALUE	0	tty->ldisc_sem.write_wait.next	4096-ptr_max
PARAM_VALUE	0	tty->ldisc_sem.write_wait.next->next	4096-ptr_max
PARAM_VALUE	0	tty->ldisc_sem.write_wait.prev	4096-ptr_max
PARAM_VALUE	0	tty->ldisc_sem.write_wait.prev->next	4096-ptr_max
PARAM_VALUE	0	tty->ldisc_sem.write_wait.prev->prev	4096-ptr_max
PARAM_VALUE	0	tty->ops	4925157529898369024
PARAM_VALUE	0	tty->termios.c_ospeed	1-u32max
PARAM_VALUE	0	tty->tty_files.next	4096-ptr_max
PARAM_VALUE	0	tty->tty_files.next->next	4096-ptr_max
PARAM_VALUE	0	tty->tty_files.prev	4096-ptr_max
PARAM_VALUE	0	tty->tty_files.prev->next	4096-ptr_max
PARAM_VALUE	0	tty->tty_files.prev->prev	4096-ptr_max
PARAM_VALUE	1	port	4096-ptr_max
PARAM_VALUE	1	port->port.tty	0,4096-ptr_max
PARAM_VALUE	1	port->serial	4096-ptr_max
PARAM_VALUE	1	port->serial->disc_mutex.dep_map->name	0-255
PARAM_VALUE	1	port->serial->disc_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	1	port->serial->disc_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	1	port->serial->disc_mutex.first_waiter->task->blocked_on	0
PARAM_VALUE	1	port->serial->disc_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	1	port->serial->disc_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	1	port->serial->disc_mutex.wait_lock.owner	(-1)
PARAM_VALUE	1	port->serial->disc_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	port->serial->disconnected	0
PARAM_VALUE	1	port->serial->interface	4096-ptr_max
PARAM_VALUE	1	port->serial->interface->dev.bus	0,4096-ptr_max
PARAM_VALUE	1	port->serial->interface->dev.class	0,4096-ptr_max
PARAM_VALUE	1	port->serial->interface->dev.power.request	0-4
PARAM_VALUE	1	port->serial->interface->dev.power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	1	port->serial->interface->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	1	port->serial->interface->dev.type	0,4096-ptr_max
PARAM_VALUE	1	port->serial->type	4096-ptr_max
PARAM_VALUE	1	port->serial->type->set_termios	4096-ptr_max
PARAM_VALUE	2	old_termios	7752371099641409536
BUF_SIZE	0	tty	1816
BUF_SIZE	0	tty->ops	296
CAPPED_DATA	0	tty->index	1
DATA_SOURCE	0	tty	r _kzalloc_noprof
DATA_SOURCE	1	port	r usb_serial_port_get_by_minor
NOSPEC	0	tty->index
MEM_ZERO	2	old_termios
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	tty->index	0-s16max[c]
USER_DATA	0	tty->termios.c_cflag	0,16-u32max[c]
USER_DATA	0	tty->termios.c_ispeed	0-u32max
USER_DATA	0	tty->termios.c_ospeed	1-u32max
USER_DATA	1	port->port.tty->index	0-s16max[c]
USER_DATA	1	port->port.tty->termios.c_ispeed	0-u32max
USER_DATA	1	port->port.tty->termios.c_ospeed	0-u32max
LOCK2		&serial->disc_mutex
LOCK2		global &console_mutex
HALF_LOCKED2		&_T->lock->lock
HALF_LOCKED2		&buffer->mutex
HALF_LOCKED2		&frag->frag_sem
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		_T->flags
HALF_LOCKED2		_T->lock
HALF_LOCKED2		global &console_sem
HALF_LOCKED2		global &dynamic_netconsole_mutex
HALF_LOCKED2		global &goldfish_tty_lock
HALF_LOCKED2		global &psinfo_lock
HALF_LOCKED2		irq