tree b25d48ee587c5c3a4e8703de89204d51dd459c5b
parent 0ef7e206d6a5a5de0cd84ed4925a4f688c62e732
author Adrian Hunter <adrian.hunter@intel.com> 1324026098 +0200
committer Vinod Koul <vinod.koul@linux.intel.com> 1324657257 +0530

dmaengine: intel_mid_dma: locking and freeing fixes

Two issues are fixed:

1. DMA descriptors are reused so when freeing lli structures
that are linked to them, the pointer must be nulled.

2. midc_scan_descriptors() must be called with the
channel lock held.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>