if (!ctrl)
return NULL;
- device_initialize(&ctrl->dev);
- ctrl->dev.type = &serdev_ctrl_type;
- ctrl->dev.bus = &serdev_bus_type;
- ctrl->dev.parent = parent;
- ctrl->dev.of_node = parent->of_node;
- serdev_controller_set_drvdata(ctrl, &ctrl[1]);
-
id = ida_simple_get(&ctrl_ida, 0, 0, GFP_KERNEL);
if (id < 0) {
dev_err(parent,
"unable to allocate serdev controller identifier.\n");
- serdev_controller_put(ctrl);
- return NULL;
+ goto err_free;
}
ctrl->nr = id;
+
+ device_initialize(&ctrl->dev);
+ ctrl->dev.type = &serdev_ctrl_type;
+ ctrl->dev.bus = &serdev_bus_type;
+ ctrl->dev.parent = parent;
+ ctrl->dev.of_node = parent->of_node;
+ serdev_controller_set_drvdata(ctrl, &ctrl[1]);
+
dev_set_name(&ctrl->dev, "serial%d", id);
dev_dbg(&ctrl->dev, "allocated controller 0x%p id %d\n", ctrl, id);
return ctrl;
+
+err_free:
+ kfree(ctrl);
+
+ return NULL;
}
EXPORT_SYMBOL_GPL(serdev_controller_alloc);