From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 19 Jun 2013 13:28:38 +0000 (+0300)
Subject: Fix some issues with BlockAllocator::release_blocks_end
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=8d13f6fea658c3c69cf235953c9a2f23de6a8814;p=r2c2.git

Fix some issues with BlockAllocator::release_blocks_end
---

diff --git a/source/libr2c2/blockallocator.cpp b/source/libr2c2/blockallocator.cpp
index 7dcc15b..429e19f 100644
--- a/source/libr2c2/blockallocator.cpp
+++ b/source/libr2c2/blockallocator.cpp
@@ -267,10 +267,13 @@ void BlockAllocator::release_blocks_end(const BlockList::iterator &begin)
 	if(begin==blocks.begin())
 		return release_blocks_begin(blocks.end());
 
+	if(begin==blocks.end())
+		return;
+
 	/* Release the blocks in reverse order so that a consistent state is
 	presented in block_reserved signal. */
 	bool done = false;
-	for(BlockList::iterator i=blocks.end(); !done; )
+	for(BlockList::iterator i=--blocks.end(); !done; )
 	{
 		done = (i==begin);
 		release_block(i--);