diff options
| -rw-r--r-- | drivers/tty/tty_io.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index e3076ea01222..f16257fdcd45 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1344,9 +1344,12 @@ struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx) if (!tty->port) tty->port = driver->ports[idx]; - WARN_RATELIMIT(!tty->port, - "%s: %s driver does not set tty->port. This will crash the kernel later. Fix the driver!\n", - __func__, tty->driver->name); + if (WARN_RATELIMIT(!tty->port, + "%s: %s driver does not set tty->port. This would crash the kernel. Fix the driver!\n", + __func__, tty->driver->name)) { + retval = -EINVAL; + goto err_release_lock; + } retval = tty_ldisc_lock(tty, 5 * HZ); if (retval) |