From 25adf6b0619c80427c58b16e82c9f053264d01dc Mon Sep 17 00:00:00 2001
From: Christophe Dumez <chris@qbittorrent.org>
Date: Sat, 3 Jan 2009 19:47:03 +0000
Subject: [PATCH] - Added a workaround fix for a bug in libtorrent regarding
 set_priority_up() function

---
 src/bittorrent.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/bittorrent.cpp b/src/bittorrent.cpp
index e29f7e22a..f74afa16b 100644
--- a/src/bittorrent.cpp
+++ b/src/bittorrent.cpp
@@ -147,7 +147,9 @@ bool bittorrent::isQueueingEnabled() const {
 void bittorrent::increaseDlTorrentPriority(QString hash) {
   Q_ASSERT(queueingEnabled);
   QTorrentHandle h = getTorrentHandle(hash);
-  h.queue_position_up();
+  // Check due to bug http://code.rasterbar.com/libtorrent/ticket/455
+  if(h.queue_position() > 0)
+    h.queue_position_up();
 }
 
 void bittorrent::decreaseDlTorrentPriority(QString hash) {