staging: comedi: daqboard2000: add back subsystem_device check
authorH Hartley Sweeten <hartleys@visionengravers.com>
Fri, 20 Jul 2012 17:32:10 +0000 (10:32 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 8 Aug 2012 00:14:53 +0000 (17:14 -0700)
As mentioned by Ian Abbott, this driver originally checked
the pci_dev subsystem_device in order to make sure that the
pci_dev was compatible with this driver. The cleanup of the
"find pci device" code removed this check. Add it back.

Reported-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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