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path: root/drivers/tty/tty_io.c
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Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index f90b6217b3ba..202008f38ca3 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1417,6 +1417,8 @@ struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx)
"%s: %s driver does not set tty->port. This will crash the kernel later. Fix the driver!\n",
__func__, tty->driver->name);
+ tty->port->itty = tty;
+
/*
* Structures all installed ... call the ldisc open routines.
* If we fail here just call release_tty to clean up. No need
@@ -1552,6 +1554,7 @@ static void release_tty(struct tty_struct *tty, int idx)
tty->ops->shutdown(tty);
tty_free_termios(tty);
tty_driver_remove_tty(tty->driver, tty);
+ tty->port->itty = NULL;
if (tty->link)
tty_kref_put(tty->link);