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(parent: 0ef7e20) | patch
dmaengine: intel_mid_dma: locking and freeing fixes
authorAdrian Hunter <adrian.hunter@intel.com>
Fri, 16 Dec 2011 09:01:38 +0000 (11:01 +0200)
committerVinod Koul <vinod.koul@linux.intel.com>
Fri, 23 Dec 2011 16:20:57 +0000 (21:50 +0530)
commit1fded07513ea57b5ee128958ff119e05588b7227
treeb25d48ee587c5c3a4e8703de89204d51dd459c5btree | snapshot
parent0ef7e206d6a5a5de0cd84ed4925a4f688c62e732commit | diff
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>
drivers/dma/intel_mid_dma.c diff | blob | history
Linux kernel for KaRo TX COM modules