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dmaengine: at_hdmac: fix race while monitoring channel status
authorNicolas Ferre <nicolas.ferre@atmel.com>
Wed, 12 Jan 2011 14:39:10 +0000 (15:39 +0100)
committerDan Williams <dan.j.williams@intel.com>
Sat, 15 Jan 2011 00:54:44 +0000 (16:54 -0800)
We were reading channel status then taking a lock. This lead to a race because
this lock may delay us and then make this channel not idle anymore.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

No differences found
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