Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
drivers/tty/tty_ldisc.c tty_ldisc_deref() -> ldsem_up_read()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sem | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &acm->port.tty->ldisc_sem | ||
| HALF_LOCKED2 | &buf->lock | ||
| HALF_LOCKED2 | &tty->atomic_write_lock | ||
| HALF_LOCKED2 | &tty->ldisc_sem | ||
| HALF_LOCKED2 | &tty->legacy_mutex | ||
| HALF_LOCKED2 | &tty->termios_rwsem | ||
| TYPE_LOCK | (struct tty_struct)->ldisc_sem |
drivers/tty/tty_ldisc.c tty_ldisc_ref() -> ldsem_up_read()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sem | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &tty->ldisc_sem | ||
| HALF_LOCKED2 | &buf->lock | ||
| HALF_LOCKED2 | &tty->legacy_mutex | ||
| HALF_LOCKED2 | &tty->termios_rwsem | ||
| TYPE_LOCK | (struct tty_struct)->ldisc_sem |
drivers/tty/tty_ldisc.c tty_ldisc_ref_wait() -> ldsem_up_read()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sem | 4096-ptr_max |
| PARAM_VALUE | 0 | sem->read_wait.next | 4096-ptr_max |
| PARAM_VALUE | 0 | sem->read_wait.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | sem->wait_lock.owner | (-1) |
| PARAM_VALUE | 0 | sem->wait_lock.owner_cpu | u32max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &tty->ldisc_sem | ||
| HALF_LOCKED2 | &tty->legacy_mutex | ||
| TYPE_LOCK | (struct tty_struct)->ldisc_sem |