tty: tty_buffer: use bool for 'restart' in tty_buffer_unlock_exclusive()

It's a boolean value, so no need for 'int' there.

Signed-off-by: "Jiri Slaby (SUSE)" <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Jiri Slaby (SUSE)

drivers/tty/tty_buffer.c

@@ -69,12 +69,11 @@ EXPORT_SYMBOL_GPL(tty_buffer_lock_exclusive);
 void tty_buffer_unlock_exclusive(struct tty_port *port)
 {
 	struct tty_bufhead *buf = &port->buf;
-	int restart;
-
-	restart = buf->head->commit != buf->head->read;
+	bool restart = buf->head->commit != buf->head->read;
 
 	atomic_dec(&buf->priority);
 	mutex_unlock(&buf->lock);
+
 	if (restart)
 		queue_work(system_unbound_wq, &buf->work);
 }