if (IS_ERR(tty0dev))
tty0dev = NULL;
else
- device_create_file(tty0dev, &dev_attr_active);
+ WARN_ON(device_create_file(tty0dev, &dev_attr_active) < 0);
vcs_init();
/* already registered */
if (con_driver->con == csw)
- retval = -EINVAL;
+ retval = -EBUSY;
}
if (retval)
int err;
err = register_con_driver(csw, first, last);
-
+ /* if we get an busy error we still want to bind the console driver
+ * and return success, as we may have unbound the console driver
+ * but not unregistered it.
+ */
+ if (err == -EBUSY)
+ err = 0;
if (!err)
bind_con_driver(csw, first, last, deflt);