Check error return from Update

Signed-off-by: Ted Yu <yute@vmware.com>

pkg/kubelet/cm/cgroup_manager_linux.go

@@ -31,6 +31,7 @@ import (
 	libcontainerconfigs "github.com/opencontainers/runc/libcontainer/configs"
 	"k8s.io/klog"
 
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	"k8s.io/apimachinery/pkg/util/sets"
 	utilfeature "k8s.io/apiserver/pkg/util/feature"
 	kubefeatures "k8s.io/kubernetes/pkg/features"
@@ -487,7 +488,9 @@ func (m *cgroupManagerImpl) Create(cgroupConfig *CgroupConfig) error {
 
 	// it may confuse why we call set after we do apply, but the issue is that runc
 	// follows a similar pattern.  it's needed to ensure cpu quota is set properly.
-	m.Update(cgroupConfig)
+	if err := m.Update(cgroupConfig); err != nil {
+		utilruntime.HandleError(fmt.Errorf("cgroup update failed %v", err))
+	}
 
 	return nil
 }