--- drivers/staging/panel/panel.c

+++ drivers/staging/panel/panel.c

@@ -2181,6 +2181,7 @@ int panel_init(void)

if (pprt) {

parport_release(pprt);

parport_unregister_device(pprt);

+ pprt = NULL;

}

parport_unregister_driver(&panel_driver);

printk(KERN_ERR "Panel driver version " PANEL_VERSION

@@ -2230,6 +2231,7 @@ static void __exit panel_cleanup_module(

/* TODO: free all input signals */

parport_release(pprt);

parport_unregister_device(pprt);

+ pprt = NULL;

}

parport_unregister_driver(&panel_driver);

}