* is a bit of layering violation here with n_tty in terms of the
* internal knowledge of this function.
*
+ * A master pty's termios should never be set.
+ *
* Locking: termios_rwsem
*/
struct tty_ldisc *ld;
unsigned long flags;
+ WARN_ON(tty->driver->type == TTY_DRIVER_TYPE_PTY &&
+ tty->driver->subtype == PTY_TYPE_MASTER);
/*
* Perform the actual termios internal changes under lock.
*/