driver inclusion
category: feature
bugzilla: NA
CVE: NA

sysctl: fix a memory leak.
Signed-off-by: Nfengsheng <fengsheng5@huawei.com>
Reviewed-by: Nlinsiwei <linsiwei@huawei.com>
Reviewed-by: NYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>