[PATCH 3.13.y-ckt 47/60] ipr: Fix incorrect trace indexing

3.13.11-ckt26 -stable review patch. If anyone has any objections, please let me know. -- From: Brian King commit bb7c54339e6a10ecce5c4961adf5e75b3cf0af30 upstream. When ipr's internal driver trace was changed to an atomic, a signed/unsigned bug slipped in which results in us

[PATCH 3.13.y-ckt 47/60] ipr: Fix incorrect trace indexing

3.13.11-ckt26 -stable review patch. If anyone has any objections, please let me know. -- From: Brian King commit bb7c54339e6a10ecce5c4961adf5e75b3cf0af30 upstream. When ipr's internal driver trace was changed to an atomic, a signed/unsigned bug