* be held until the 'fast-open' is also done. Will change once we
* have refcounting in the driver and per driver locking
*/
-struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver,
+static struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver,
struct inode *inode, int idx)
{
struct tty_struct *tty;