Defined in 7 files as a member:

Defined in 1 files as a function:

Referenced in 21 files:

Smatch caller information:

drivers/tty/n_tty.c __receive_buf() -> read_cnt()

Type Parameter Key Value
PARAM_VALUE 0 ldata 4096-ptr_max
BUF_SIZE 0 ldata 16,120,192,376,480,512,520,1552,4648,9144
BUF_SIZE 0 ldata 16,120,192,376,480,512,520,1552,4648,9144
LOCK2 _T->lock
HALF_LOCKED2 &tty->ldisc_sem
HALF_LOCKED2 &tty->ldisc_sem
HALF_LOCKED2 &tty->port->buf.lock

drivers/tty/n_tty.c n_tty_check_throttle() -> read_cnt()

Type Parameter Key Value
PARAM_VALUE 0 ldata 4096-ptr_max
BUF_SIZE 0 ldata 16,120,192,376,480,512,520,1552,4648,9144
BUF_SIZE 0 ldata 16,120,192,376,480,512,520,1552,4648,9144
LOCK2 _T->lock
HALF_LOCKED2 &tty->ldisc_sem
HALF_LOCKED2 &tty->ldisc_sem
HALF_LOCKED2 &tty->port->buf.lock

drivers/tty/n_tty.c n_tty_ioctl() -> read_cnt()

Type Parameter Key Value
BUF_SIZE 0 ldata 16,120,192,376,480,512,520,1552,4648,9144
BUF_SIZE 0 ldata 16,120,192,376,480,512,520,1552,4648,9144
LOCK2 &tty->ldisc_sem
LOCK2 _T->lock
TYPE_LOCK (struct tty_struct)->ldisc_sem

drivers/tty/n_tty.c n_tty_set_termios() -> read_cnt()

Type Parameter Key Value
PARAM_VALUE 0 ldata 4096-ptr_max
BUF_SIZE 0 ldata (-1),9144
BUF_SIZE 0 ldata (-1),9144
MEM_ZERO 0 ldata->read_flags
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &tty->ldisc_sem
HALF_LOCKED2 &tty->legacy_mutex
HALF_LOCKED2 &tty->termios_rwsem