tree d9025b46fe5360300ae4e430df3246c67602adad
parent 532d3b1f86f41834a25373e3ded981d68e4ce17f
author Dan Williams <dan.j.williams@intel.com> 1228349827 -0700
committer Dan Williams <dan.j.williams@intel.com> 1228350336 -0700

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>