@@ -201,7 +201,7 @@ static void n_tty_kick_worker(struct tty_struct *tty)
*/
WARN_RATELIMIT(test_bit(TTY_LDISC_HALTED, &tty->flags),
"scheduling buffer work for halted ldisc\n");
- queue_work(system_unbound_wq, &tty->port->buf.work);
+ tty_buffer_restart_work(tty->port);
}
}
@@ -577,3 +577,13 @@ void tty_buffer_set_lock_subclass(struct tty_port *port)
{
lockdep_set_subclass(&port->buf.lock, TTY_LOCK_SLAVE);
}
+
+bool tty_buffer_restart_work(struct tty_port *port)
+{
+ return queue_work(system_unbound_wq, &port->buf.work);
+}
+
+bool tty_buffer_cancel_work(struct tty_port *port)
+{
+ return cancel_work_sync(&port->buf.work);
+}
@@ -1690,7 +1690,7 @@ static void release_tty(struct tty_struct *tty, int idx)
tty->port->itty = NULL;
if (tty->link)
tty->link->port->itty = NULL;
- cancel_work_sync(&tty->port->buf.work);
+ tty_buffer_cancel_work(tty->port);
tty_kref_put(tty->link);
tty_kref_put(tty);
@@ -131,7 +131,7 @@ EXPORT_SYMBOL(tty_port_free_xmit_buf);
*/
void tty_port_destroy(struct tty_port *port)
{
- cancel_work_sync(&port->buf.work);
+ tty_buffer_cancel_work(port);
tty_buffer_free_all(port);
}
EXPORT_SYMBOL(tty_port_destroy);
@@ -467,6 +467,8 @@ extern void tty_buffer_free_all(struct tty_port *port);
extern void tty_buffer_flush(struct tty_struct *tty, struct tty_ldisc *ld);
extern void tty_buffer_init(struct tty_port *port);
extern void tty_buffer_set_lock_subclass(struct tty_port *port);
+extern bool tty_buffer_restart_work(struct tty_port *port);
+extern bool tty_buffer_cancel_work(struct tty_port *port);
extern speed_t tty_termios_baud_rate(struct ktermios *termios);
extern speed_t tty_termios_input_baud_rate(struct ktermios *termios);
extern void tty_termios_encode_baud_rate(struct ktermios *termios,