From: Adrian Hunter <adrian.hunter@intel.com>
Date: Fri, 16 Dec 2011 09:01:38 +0000 (+0200)
Subject: dmaengine: intel_mid_dma: locking and freeing fixes
X-Git-Tag: v3.3-rc1~19^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fded07513ea57b5ee128958ff119e05588b7227;p=pandora-kernel.git

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>
---

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