Ticket #27199: 27199.patch

src/wp-includes/ms-load.php

@@ -125 +125 @@
         $current_site->site_name = wp_cache_get( $current_site->id . ':site_name', 'site-options' );
         if ( ! $current_site->site_name ) {
                 $current_site->site_name = $wpdb->get_var( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = %d AND meta_key = 'site_name'", $current_site->id ) );
-                if ( ! $current_site->site_name )
+                if ( ! $current_site->site_name ) {
                         $current_site->site_name = ucfirst( $current_site->domain );
-                wp_cache_set( $current_site->id . ':site_name', $current_site->site_name, 'site-options' );
+                } else {
+                        wp_cache_set( $current_site->id . ':site_name', $current_site->site_name, 'site-options' );
+                }
         }
 
         return $current_site;