Fix to return a negative error code from the error handling
case instead of 0.
Reported-by: NHulk Robot <hulkci@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210618043835.2641360-1-yangyingliang@huawei.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>