diff options
Diffstat (limited to 'drivers/tty/tty_mutex.c')
| -rw-r--r-- | drivers/tty/tty_mutex.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/tty/tty_mutex.c b/drivers/tty/tty_mutex.c index 4486741190c4..a872389dc0bc 100644 --- a/drivers/tty/tty_mutex.c +++ b/drivers/tty/tty_mutex.c @@ -46,12 +46,8 @@ EXPORT_SYMBOL(tty_unlock); void __lockfunc tty_lock_slave(struct tty_struct *tty) { - if (tty && tty != tty->link) { - WARN_ON(!mutex_is_locked(&tty->link->legacy_mutex) || - !tty->driver->type == TTY_DRIVER_TYPE_PTY || - !tty->driver->type == PTY_TYPE_SLAVE); + if (tty && tty != tty->link) tty_lock(tty); - } } void __lockfunc tty_unlock_slave(struct tty_struct *tty) |