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Diffstat (limited to 'drivers/tty/pty.c')
| -rw-r--r-- | drivers/tty/pty.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index 0e273158edac..e72ee629cead 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -395,6 +395,7 @@ static int pty_common_install(struct tty_driver *driver, struct tty_struct *tty, goto err_put_module; tty_set_lock_subclass(o_tty); + lockdep_set_subclass(&o_tty->termios_rwsem, TTY_LOCK_SLAVE); if (legacy) { /* We always use new tty termios data so we can do this |