diff options
| -rw-r--r-- | drivers/tty/n_tty.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 319d68c8a5df..d633ba56cf83 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1894,8 +1894,10 @@ static void n_tty_close(struct tty_struct *tty) if (tty->link) n_tty_packet_mode_flush(tty); + down_write(&tty->termios_rwsem); vfree(ldata); tty->disc_data = NULL; + up_write(&tty->termios_rwsem); } /** |