Make sure that _render() is only called with a valid root object. As in, render() can only be validly called once and must not fail on the second call. props SergeyBiryukov, see #19642 for trunk.

git-svn-id: http://svn.automattic.com/wordpress/trunk@19638 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2011-12-30 23:04:28 +00:00 · 2011-12-30 23:04:28 +00:00 · aa3cf9d286
parent fd53358005
commit aa3cf9d286
1 changed files with 2 additions and 1 deletions
--- a/wp-includes/class-wp-admin-bar.php
+++ b/wp-includes/class-wp-admin-bar.php
@ -196,7 +196,8 @@ class WP_Admin_Bar {

 	public function render() {
 		$root = $this->_bind();
-		$this->_render( $root );
+		if ( $root )
+			$this->_render( $root );
 	}

 	final protected function _bind() {