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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 4 files:

Smatch caller information:

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

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->ops 4096-ptr_max
PARAM_VALUE 0 tty->ops->write 4096-ptr_max
PARAM_VALUE 0 tty->ops->write_room 0,4096-ptr_max
DATA_SOURCE 0 tty r file_tty
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &pool->lock

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

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->ops->chars_in_buffer 0,4096-ptr_max
CAPPED_DATA 0 tty 1
DATA_SOURCE 0 tty $0

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

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->driver 4096-ptr_max
PARAM_VALUE 0 tty->ops->chars_in_buffer 0,4096-ptr_max
CAPPED_DATA 0 tty 1
DATA_SOURCE 0 tty $0

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

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->ops 4096-ptr_max
PARAM_VALUE 0 tty->ops->compat_ioctl 0,1607379221601308672,5008286898947497984,6364353445524312064
CAPPED_DATA 0 tty 1
DATA_SOURCE 0 tty r file_tty
USER_DATA 0 tty->driver_data->vc_font.height 2-128[c]
USER_DATA 0 tty->driver_data->vc_font.width 1-64[c]
USER_DATA 0 tty->driver_data->vt_mode.acqsig s16min-s16max
USER_DATA 0 tty->driver_data->vt_mode.mode 0
USER_DATA 0 tty->driver_data->vt_mode.relsig s16min-s16max
USER_DATA 0 tty->driver_data->vt_mode.waitv 0-255

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

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->ops 4096-ptr_max
PARAM_VALUE 0 tty->ops->ioctl 0,4096-ptr_max
CAPPED_DATA 0 tty 1
DATA_SOURCE 0 tty r file_tty

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

Type Parameter Key Value
PARAM_VALUE 0 tty 1-u64max
DATA_SOURCE 0 tty r file_tty
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &kvm->irq_srcu
HALF_LOCKED2 &of->mutex
HALF_LOCKED2 &vm->irqfds_lock
HALF_LOCKED2 global &irqfds_srcu

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

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
DATA_SOURCE 0 tty r file_tty
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &pool->lock

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

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->count s32min-(-1),1-s32max
PARAM_VALUE 0 tty->driver 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
BUF_SIZE 0 tty (-1),1-s32max
BUF_SIZE 0 tty (-1),1-s32max
DATA_SOURCE 0 tty $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 0 &tty->legacy_mutex
TYPE_LOCK (struct tty_struct)->legacy_mutex

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

Type Parameter Key Value
DATA_SOURCE 0 tty $0

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

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->driver_data 4096-ptr_max
PARAM_VALUE 0 tty->ops->chars_in_buffer 0,4096-ptr_max
PARAM_VALUE 0 tty->ops->compat_ioctl 0,1607379221601308672,5008286898947497984,6364353445524312064
PARAM_VALUE 0 tty->ops->ioctl 0,4096-ptr_max
DATA_SOURCE 0 tty $0