From 57f43b9d7c3e6cc1cff48c4fbb9ebb1b727116b1 Mon Sep 17 00:00:00 2001
From: "Sascha L. Teichmann" <sascha.teichmann@intevation.de>
Date: Thu, 17 Feb 2022 10:41:52 +0100
Subject: [PATCH] Restore output of found value

---
 cmd/csaf_provider/actions.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmd/csaf_provider/actions.go b/cmd/csaf_provider/actions.go
index 29f07ef..1e4df7d 100644
--- a/cmd/csaf_provider/actions.go
+++ b/cmd/csaf_provider/actions.go
@@ -180,7 +180,8 @@ func (c *controller) upload(r *http.Request) (interface{}, error) {
 	// Extract real TLP from document.
 	if t == tlpCSAF {
 		if t = tlp(strings.ToLower(ex.tlpLabel)); !t.valid() || t == tlpCSAF {
-			return nil, fmt.Errorf("TLP label missing in the document")
+			return nil, fmt.Errorf(
+				"valid TLP label missing in document (found '%s')", t)
 		}
 	}