From e540e6b3ceaae71512d93638a691df85dc1a91ac Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Thu, 19 Nov 2009 17:58:11 +0000
Subject: [PATCH] Return if no comment queried

git-svn-id: https://develop.svn.wordpress.org/trunk@12223 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/comment.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wp-includes/comment.php b/wp-includes/comment.php
index 62eca8f727..6af1492d34 100644
--- a/wp-includes/comment.php
+++ b/wp-includes/comment.php
@@ -132,6 +132,7 @@ function get_approved_comments($post_id) {
  */
 function &get_comment(&$comment, $output = OBJECT) {
 	global $wpdb;
+	$null = null;
 
 	if ( empty($comment) ) {
 		if ( isset($GLOBALS['comment']) )
@@ -146,6 +147,8 @@ function &get_comment(&$comment, $output = OBJECT) {
 			$_comment = & $GLOBALS['comment'];
 		} elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) {
 			$_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment));
+			if ( ! $_comment )
+				return $null;
 			wp_cache_add($_comment->comment_ID, $_comment, 'comment');
 		}
 	}