Fix unprotected write in metricMap

2018-04-09 10:07:30 -04:00 · 2018-04-09 10:07:30 -04:00 · ddd94f24c5
parent f504d69aff
commit ddd94f24c5
1 changed files with 3 additions and 0 deletions
--- a/prometheus/vec.go
+++ b/prometheus/vec.go
@ -277,6 +277,9 @@ func (m *metricMap) deleteByHashWithLabelValues(
 func (m *metricMap) deleteByHashWithLabels(
 	h uint64, labels Labels, curry []curriedLabelValue,
 ) bool {
+	m.mtx.Lock()
+	defer m.mtx.Unlock()
+
 	metrics, ok := m.metrics[h]
 	if !ok {
 		return false