From d68f6500d84f47d2ca0d94d66c638bf9bcc7e1a9 Mon Sep 17 00:00:00 2001
From: Jimmie Han <hanjinming@outlook.com>
Date: Wed, 27 Apr 2022 19:53:43 +0800
Subject: [PATCH] ptrace: json unmarshaller use defer

---
 pdata/ptrace/jsoniter.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdata/ptrace/jsoniter.go b/pdata/ptrace/jsoniter.go
index 68ace5efae7..b6e41bf04e6 100644
--- a/pdata/ptrace/jsoniter.go
+++ b/pdata/ptrace/jsoniter.go
@@ -39,9 +39,9 @@ func newJSONIterUnmarshaler() *jsonIterUnmarshaler {
 
 func (d *jsonIterUnmarshaler) UnmarshalTraces(buf []byte) (Traces, error) {
 	iter := jsoniter.ConfigFastest.BorrowIterator(buf)
+	defer jsoniter.ConfigFastest.ReturnIterator(iter)
 	td := readTraceData(iter)
 	err := iter.Error
-	jsoniter.ConfigFastest.ReturnIterator(iter)
 	return internal.TracesFromProto(td), err
 }