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--);