}
static DEVICE_ATTR (ctrl, S_IRUGO, show_ctrl, NULL);
-void shpchp_create_ctrl_files (struct controller *ctrl)
+int __must_check shpchp_create_ctrl_files (struct controller *ctrl)
{
- device_create_file (&ctrl->pci_dev->dev, &dev_attr_ctrl);
+ return device_create_file (&ctrl->pci_dev->dev, &dev_attr_ctrl);
}
void shpchp_remove_ctrl_files(struct controller *ctrl)