Fix PHP 8.1 deprecation notice (#4972)

* Fix PHP 8.1 deprecation notice * Add an extra set of parens
drush-ops · Jan 2, 2022 · 786948b · 786948b
1 parent a29d8c8
commit 786948b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Drupal/DrupalKernelTrait.php b/src/Drupal/DrupalKernelTrait.php
@@ -206,7 +206,7 @@ protected function findAppropriateServicesFile($module, $services, $dir)
      */
     protected function addDrushServiceProvider($serviceProviderName, $serviceYmlPath = '')
     {
-        if (file_exists($serviceYmlPath)) {
+        if (($serviceYmlPath !== null) && file_exists($serviceYmlPath)) {
             $this->serviceYamls['app'][$serviceProviderName] = $serviceYmlPath;
         }
     }