From f1c4e8386558a2178ce29a80e7c582ad9dabe254 Mon Sep 17 00:00:00 2001
From: "grafana-delivery-bot[bot]"
 <132647405+grafana-delivery-bot[bot]@users.noreply.github.com>
Date: Mon, 11 Nov 2024 13:00:23 +0000
Subject: [PATCH] [v11.3.x] Flame Graph: Fix crash when it receives empty data
 (#96211)

Flame Graph: Fix crash when it receives empty data (#95604)

flame graph crash

(cherry picked from commit 3012d4c04312734c4441e95627c315acb2703d4e)

Co-authored-by: jackyin <yincong@baidu.com>
---
 packages/grafana-flamegraph/src/FlameGraph/dataTransform.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/grafana-flamegraph/src/FlameGraph/dataTransform.ts b/packages/grafana-flamegraph/src/FlameGraph/dataTransform.ts
index fb7b921f4dd..51b41f97397 100644
--- a/packages/grafana-flamegraph/src/FlameGraph/dataTransform.ts
+++ b/packages/grafana-flamegraph/src/FlameGraph/dataTransform.ts
@@ -237,7 +237,7 @@ export function checkFields(data: DataFrame): CheckFieldsResult | undefined {
 
   for (const field of fields) {
     const [name, types] = field;
-    const frameField = data.fields.find((f) => f.name === name);
+    const frameField = data?.fields.find((f) => f.name === name);
     if (!frameField) {
       missingFields.push(name);
       continue;