From: Dan Williams <dan.j.williams@intel.com>
Date: Thu, 4 Dec 2008 00:17:07 +0000 (-0700)
Subject: dmaengine: protect 'id' from concurrent registrations
X-Git-Tag: v2.6.28-rc9~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b0b42b16ff2b90f17bc1a4308366c9beba4b276e;p=pandora-kernel.git

dmaengine: protect 'id' from concurrent registrations

There is a possibility to have two devices registered with the same id.

Cc: <stable@kernel.org>
Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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