API: Don't use an empty LinkBatch in ApiOpenSearch

Bug: T78074
Change-Id: Ie4609b0867d816375f49190ee2860526b8fd8f3e

diff --git a/includes/api/ApiOpenSearch.php b/includes/api/ApiOpenSearch.php
index 2235ba9..3b56dec 100644 (file)
--- a/includes/api/ApiOpenSearch.php
+++ b/includes/api/ApiOpenSearch.php
@@ -124,6 +124,9 @@ class ApiOpenSearch extends ApiBase {
                // Find matching titles as Title objects
                $searcher = new TitlePrefixSearch;
                $titles = $searcher->searchWithVariants( $search, $limit, $namespaces );
+               if ( !$titles ) {
+                       return;
+               }
 
                if ( $resolveRedir ) {
                        // Query for redirects