Merge pull request #401 from erock2112/master

Fix unprotected write in metricMap
2018-04-09 16:46:44 +02:00 · 2018-04-09 16:46:44 +02:00 · 2f0e84125d
parent f504d69aff ddd94f24c5
commit 2f0e84125d
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