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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/tty/tty_ldisc.c tty_ldisc_lock() -> __tty_ldisc_lock()

Type Parameter Key Value
PARAM_VALUE 0 tty 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->ops->set_termios 0,4096-ptr_max
PARAM_VALUE 0 tty->read_wait.lock.rlock.dep_map->name 0-255
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 0 tty->write_wait.lock.rlock.dep_map->name 0-255
PARAM_VALUE 1 timeout 1250,9223372036854775807
BUF_SIZE 0 tty s32min,(-1),1-s32max
BUF_SIZE 0 tty s32min,(-1),1-s32max
CAPPED_DATA 0 tty 1
DATA_SOURCE 0 tty $0
DATA_SOURCE 1 timeout $1
HARD_MAX 1 timeout 9223372036854775807
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 0 &tty->legacy_mutex
HALF_LOCKED2 0 &tty->driver_data->d_lockref.lock
HALF_LOCKED2 0 &tty->ldisc_sem
TYPE_LOCK (struct tty_struct)->legacy_mutex

drivers/tty/tty_ldisc.c tty_ldisc_lock_pair_timeout() -> __tty_ldisc_lock()

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->legacy_mutex.dep_map->name 0-255
PARAM_VALUE 0 tty->legacy_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 tty->legacy_mutex.first_waiter->task->usage.refs.counter s32min-s32max
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->close 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
PARAM_VALUE 1 timeout 9223372036854775807
BUF_SIZE 0 tty s32min,(-1),1-s32max
BUF_SIZE 0 tty s32min,(-1),1-s32max
CAPPED_DATA 0 tty 1
DATA_SOURCE 0 tty $0
DATA_SOURCE 1 timeout $2
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &spk_mutex

drivers/tty/tty_ldisc.c tty_ldisc_lock_pair_timeout() -> __tty_ldisc_lock()

Type Parameter Key Value
PARAM_VALUE 0 tty 1-ptr_max
PARAM_VALUE 1 timeout 9223372036854775807
CAPPED_DATA 0 tty 1
DATA_SOURCE 0 tty $1
DATA_SOURCE 1 timeout $2
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &spk_mutex

drivers/tty/tty_ldisc.c tty_ldisc_lock_pair_timeout() -> __tty_ldisc_lock()

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->legacy_mutex.dep_map->name 0-255
PARAM_VALUE 0 tty->legacy_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 tty->legacy_mutex.first_waiter->task->usage.refs.counter s32min-s32max
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->close 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
PARAM_VALUE 1 timeout 9223372036854775807
BUF_SIZE 0 tty s32min,(-1),1-s32max
BUF_SIZE 0 tty s32min,(-1),1-s32max
CAPPED_DATA 0 tty 1
DATA_SOURCE 0 tty $0
DATA_SOURCE 1 timeout $2
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &spk_mutex