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Merge pull request #102871 from rainrambler/patch-1

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kubeadm: use defer to unlock mutex in certs.go
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Kubernetes Prow Robot 2021-06-18 09:52:30 -07:00 committed by GitHub
commit ab7d8b5b5b
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1 changed files with 1 additions and 2 deletions
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3
cmd/kubeadm/app/phases/certs/certs.go
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@ -477,12 +477,11 @@ func validateCertificateWithConfig(cert *x509.Certificate, baseName string, cfg
// by keeping track with a cache. // by keeping track with a cache.
func CheckCertificatePeriodValidity(baseName string, cert *x509.Certificate) { func CheckCertificatePeriodValidity(baseName string, cert *x509.Certificate) {
certPeriodValidationMutex.Lock() certPeriodValidationMutex.Lock()
defer certPeriodValidationMutex.Unlock()
if _, exists := certPeriodValidation[baseName]; exists { if _, exists := certPeriodValidation[baseName]; exists {
certPeriodValidationMutex.Unlock()
return return
} }
certPeriodValidation[baseName] = struct{}{} certPeriodValidation[baseName] = struct{}{}
certPeriodValidationMutex.Unlock()
klog.V(5).Infof("validating certificate period for %s certificate", baseName) klog.V(5).Infof("validating certificate period for %s certificate", baseName)
if err := pkiutil.ValidateCertPeriod(cert, 0); err != nil { if err := pkiutil.ValidateCertPeriod(cert, 0); err != nil {