try fix data race (tikv#6083)

ref tikv#6045 Signed-off-by: Sen Han <[email protected]>
ti-chi-bot · Mar 6, 2023 · a6e77c1 · a6e77c1
1 parent 18a8356
commit a6e77c1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/server/cluster/cluster.go b/server/cluster/cluster.go
@@ -1084,7 +1084,7 @@ func (c *RaftCluster) putStoreImpl(store *metapb.Store, force bool) error {
 		labels := store.GetLabels()
 		if !force {
 			// If 'force' isn't set, the given labels will merge into those labels which already existed in the store.
-			labels = s.MergeLabels(labels)
+			labels = s.Clone().MergeLabels(labels)
 		}
 		// Update an existed store.
 		s = s.Clone(