static int goldfish_tty_console_setup(struct console *co, char *options)
{
- if ((unsigned)co->index > goldfish_tty_line_count)
+ if ((unsigned)co->index >= goldfish_tty_line_count)
return -ENODEV;
- if (goldfish_ttys[co->index].base == 0)
+ if (!goldfish_ttys[co->index].base)
return -ENODEV;
return 0;
}
unregister_console(&qtty->console);
tty_unregister_device(goldfish_tty_driver, pdev->id);
iounmap(qtty->base);
- qtty->base = 0;
+ qtty->base = NULL;
free_irq(qtty->irq, pdev);
goldfish_tty_current_line_count--;
if (goldfish_tty_current_line_count == 0)