From 09c191aefdb9a197df36ce8f42e4e38f42a8c637 Mon Sep 17 00:00:00 2001
From: Paul Holden <paulh@moodle.com>
Date: Fri, 24 Jan 2025 10:50:09 +0000
Subject: [PATCH] MDL-83537 check: confirm presence of instance action link.

---
 lib/adminlib.php                     | 4 +++-
 lib/classes/output/core_renderer.php | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/adminlib.php b/lib/adminlib.php
index 426d7046f2c..6f92c68a615 100644
--- a/lib/adminlib.php
+++ b/lib/adminlib.php
@@ -11800,7 +11800,9 @@ class admin_setting_check extends admin_setting {
         $output = $OUTPUT->notification($loadingicon . $loadingstr, \core\output\notification::NOTIFY_INFO, false);
 
         // Add the action link.
-        $output .= $OUTPUT->render($this->check->get_action_link());
+        if ($actionlink = $this->check->get_action_link()) {
+            $output .= $OUTPUT->render($actionlink);
+        }
 
         // Wrap in a div with a reference. The JS getAndRender will replace this with the response from the webservice.
         $statusdiv = \html_writer::div($output, '', ['data-check-reference' => $domref]);
diff --git a/lib/classes/output/core_renderer.php b/lib/classes/output/core_renderer.php
index e0bc057db37..019dc2f2745 100644
--- a/lib/classes/output/core_renderer.php
+++ b/lib/classes/output/core_renderer.php
@@ -1353,7 +1353,9 @@ class core_renderer extends renderer_base {
         }
 
         // Add the action link.
-        $renderedresult .= $this->render_action_link($check->get_action_link());
+        if ($actionlink = $check->get_action_link()) {
+            $renderedresult .= $this->render_action_link($actionlink);
+        }
 
         return $renderedresult;
     }