From c25a6fe381ee5bfed541ae652edfa5e3c2dd44a1 Mon Sep 17 00:00:00 2001
From: ryan <ryan@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Wed, 7 May 2008 19:57:15 +0000
Subject: [PATCH] Fix page 404 when page_for_posts is empty. see #6539

git-svn-id: http://svn.automattic.com/wordpress/trunk@7905 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/query.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wp-includes/query.php b/wp-includes/query.php
index c0816bb3f7..21ac863473 100644
--- a/wp-includes/query.php
+++ b/wp-includes/query.php
@@ -923,7 +923,8 @@ class WP_Query {
 					$reqpage = 0;
 			}
 
-			if  ( ('page' != get_option('show_on_front') ) || ( $reqpage != get_option('page_for_posts') ) ) {
+			$page_for_posts = get_option('page_for_posts');
+			if  ( ('page' != get_option('show_on_front') ) ||  empty($page_for_posts) || ( $reqpage != $page_for_posts ) ) {
 				$q['pagename'] = str_replace('%2F', '/', urlencode(urldecode($q['pagename'])));
 				$page_paths = '/' . trim($q['pagename'], '/');
 				$q['pagename'] = sanitize_title(basename($page_paths));