HID: intel-ish-hid: simplify the return expression of ishtp_bus_remove_device()

Simplify the return expression.

Signed-off-by: Qinglang Miao <[email protected]>
Acked-by: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>

Author: Qinglang Miao

drivers/hid/intel-ish-hid/ishtp/bus.c

@@ -502,20 +502,14 @@ static void ishtp_bus_remove_device(struct ishtp_cl_device *device)
 int ishtp_cl_driver_register(struct ishtp_cl_driver *driver,
 			     struct module *owner)
 {
-	int err;
-
 	if (!ishtp_device_ready)
 		return -ENODEV;
 
 	driver->driver.name = driver->name;
 	driver->driver.owner = owner;
 	driver->driver.bus = &ishtp_cl_bus_type;
 
-	err = driver_register(&driver->driver);
-	if (err)
-		return err;
-
-	return 0;
+	return driver_register(&driver->driver);
 }
 EXPORT_SYMBOL(ishtp_cl_driver_register);