From ad9c37ffd474c33d8a3ec22104985a310a20d958 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Thu, 25 Mar 2010 12:19:34 +0000
Subject: [PATCH] - Patch #747464 by andypost: fixed wrong usage of
 hook_file_references().

---
 modules/system/system.api.php | 6 +++---
 modules/user/user.module      | 7 ++++---
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/modules/system/system.api.php b/modules/system/system.api.php
index c43bcf05efc..6ff9be0ec17 100644
--- a/modules/system/system.api.php
+++ b/modules/system/system.api.php
@@ -1734,10 +1734,10 @@ function hook_file_move($file, $source) {
  */
 function hook_file_references($file) {
   // If user.module is still using a file, do not let other modules delete it.
-  $count = (int) db_query('SELECT COUNT(picture) FROM {users} WHERE picture = :fid', array(':fid' => $file->fid))->fetchField();
-  if ($count) {
+  $file_used = (bool) db_query_range('SELECT 1 FROM {user} WHERE pictire = :fid', 0, 1, array(':fid' => $file->fid))->fetchField();
+  if ($file_used) {
     // Return the name of the module and how many references it has to the file.
-    return array('user' => $count);
+    return array('user' => 1);
   }
 }
 
diff --git a/modules/user/user.module b/modules/user/user.module
index 7057a0b9473..5f6264a3f23 100644
--- a/modules/user/user.module
+++ b/modules/user/user.module
@@ -773,10 +773,11 @@ function user_file_download($uri) {
  */
 function user_file_references($file) {
   // Determine if the file is used by this module.
-  $count = (int) db_query('SELECT COUNT(1) FROM {users} WHERE picture = :fid', array(':fid' => $file->fid))->fetchField();
-  if ($count) {
+  $file_used = (bool) db_query_range('SELECT 1 FROM {users} WHERE picture = :fid', 0, 1, array(':fid' => $file->fid))->fetchField();
+  if ($file_used) {
     // Return the name of the module and how many references it has to the file.
-    return array('user' => $count);
+    // If file is still used then 1 is enough to indicate this.
+    return array('user' => 1);
   }
 }