Access chunk time range while holding lock

7 years ago · 88305e7612
parent 106eaf39d1
commit 88305e7612
1 changed files with 2 additions and 1 deletions
--- a/head.go
+++ b/head.go
@ -756,10 +756,11 @@ func (h *headChunkReader) Chunk(ref uint64) (chunks.Chunk, error) {

 	s.Lock()
 	c := s.chunk(int(cid))
+	mint, maxt := c.minTime, c.maxTime
 	s.Unlock()

 	// Do not expose chunks that are outside of the specified range.
-	if c == nil || !intervalOverlap(c.minTime, c.maxTime, h.mint, h.maxt) {
+	if c == nil || !intervalOverlap(mint, maxt, h.mint, h.maxt) {
 		return nil, ErrNotFound
 	}
 	return &safeChunk{