call ReadFrom directly instead of CopyN (grafana#1335)

yzhaoyu · Aug 2, 2022 · b130a3e · b130a3e
1 parent 61384d9
commit b130a3e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pkg/structs/transporttrie/serialize.go b/pkg/structs/transporttrie/serialize.go
@@ -70,7 +70,7 @@ func IterateRaw(r io.Reader, buf []byte, cb func(k []byte, v int)) error {
 			return err
 		}
 		if nameLen != 0 {
-			copied, err = io.CopyN(b, br, int64(nameLen))
+			copied, err = b.ReadFrom(io.LimitReader(br, int64(nameLen)))
 			if err != nil {
 				return err
 			}