[ Upstream commit 0742a338 ]

'rv' is the correct return value, pass it upstream instead of 0

Fixes: 17d80d56 ("USB: autosuspend for cdc-wdm")
Signed-off-by: NYueHaibing <yuehaibing@huawei.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>