Simplify the return expression.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
 int ishtp_cl_driver_register(struct ishtp_cl_driver *driver,
                             struct module *owner)
 {
-       int err;
-
        if (!ishtp_device_ready)
                return -ENODEV;
 
        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);