[PATCH 3.16.y-ckt 070/185] dmaengine: mv_xor: bug fix for racing condition in descriptors cleanup

3.16.7-ckt15 -stable review patch. If anyone has any objections, please let me know. -- From: Lior Amsalem commit 9136291f1dbc1d4d1cacd2840fb35f4f3ce16c46 upstream. This patch fixes a bug in the XOR driver where the cleanup function can be called and free descriptors that

[PATCH 3.16.y-ckt 070/185] dmaengine: mv_xor: bug fix for racing condition in descriptors cleanup

3.16.7-ckt15 -stable review patch. If anyone has any objections, please let me know. -- From: Lior Amsalem al...@marvell.com commit 9136291f1dbc1d4d1cacd2840fb35f4f3ce16c46 upstream. This patch fixes a bug in the XOR driver where the cleanup function can be called and free