extern void tty_port_free_xmit_buf(struct tty_port *port);
extern void tty_port_put(struct tty_port *port);
-extern inline struct tty_port *tty_port_get(struct tty_port *port)
+static inline struct tty_port *tty_port_get(struct tty_port *port)
{
if (port)
kref_get(&port->kref);
struct tty_struct *tty, struct file *filp);
extern int tty_port_open(struct tty_port *port,
struct tty_struct *tty, struct file *filp);
-extern inline int tty_port_users(struct tty_port *port)
+static inline int tty_port_users(struct tty_port *port)
{
return port->count + port->blocked_open;
}