static int pnp_interface_attach_card(struct pnp_card *card)
{
- device_create_file(&card->dev,&dev_attr_name);
- device_create_file(&card->dev,&dev_attr_card_id);
+ int rc = device_create_file(&card->dev,&dev_attr_name);
+ if (rc) return rc;
+
+ rc = device_create_file(&card->dev,&dev_attr_card_id);
+ if (rc) goto err_name;
+
return 0;
+
+err_name:
+ device_remove_file(&card->dev,&dev_attr_name);
+ return rc;
}
/**
return NULL;
found:
- down_write(&dev->dev.bus->subsys.rwsem);
dev->card_link = clink;
dev->dev.driver = &drv->link.driver;
- if (pnp_bus_type.probe(&dev->dev)) {
- dev->dev.driver = NULL;
- dev->card_link = NULL;
- up_write(&dev->dev.bus->subsys.rwsem);
- return NULL;
- }
- device_bind_driver(&dev->dev);
- up_write(&dev->dev.bus->subsys.rwsem);
+ if (pnp_bus_type.probe(&dev->dev))
+ goto err_out;
+ if (device_bind_driver(&dev->dev))
+ goto err_out;
return dev;
+
+err_out:
+ dev->dev.driver = NULL;
+ dev->card_link = NULL;
+ return NULL;
}
/**
struct pnp_card_driver * drv = dev->card_link->driver;
if (!drv)
return;
- down_write(&dev->dev.bus->subsys.rwsem);
drv->link.remove = &card_remove;
device_release_driver(&dev->dev);
drv->link.remove = &card_remove_first;
- up_write(&dev->dev.bus->subsys.rwsem);
}
/*