[PATCH 3.13.y-ckt 024/122] 3w-sas: fix command completion race

3.13.11-ckt22 -stable review patch. If anyone has any objections, please let me know. -- From: Christoph Hellwig commit 579d69bc1fd56d5af5761969aa529d1d1c188300 upstream. The 3w-sas driver needs to tear down the dma mappings before returning the command to the midlayer, as

[PATCH 3.13.y-ckt 024/122] 3w-sas: fix command completion race

3.13.11-ckt22 -stable review patch. If anyone has any objections, please let me know. -- From: Christoph Hellwig h...@lst.de commit 579d69bc1fd56d5af5761969aa529d1d1c188300 upstream. The 3w-sas driver needs to tear down the dma mappings before returning the command to the