Add the missing platform_device_unregister() before return
from zd1301_frontend_attach in the error handling case when
pdev->dev.driver is empty.
There's an error handling route named err_platform_device_unregister,
so just reuse it.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
        }
        if (!pdev->dev.driver) {
                ret = -ENODEV;
-               goto err;
+               goto err_platform_device_unregister;
        }
        if (!try_module_get(pdev->dev.driver->owner)) {
                ret = -ENODEV;