tksm: Fix data race in cloning protection controller

JobBuild
651
08-09 21:17
pull-kubernetes-csi-external-provisioner-1-19-on-kubernetes-1-19 1424842212960636928
pull-kubernetes-csi-external-provisioner-1-20-on-kubernetes-1-20 1424842213010968576
pull-kubernetes-csi-external-provisioner-distributed-on-kubernetes-1-21 1424842213065494528
pull-kubernetes-csi-external-provisioner-unit 1424842213044523008