[PATCH 30/90] staging: comedi: amplc_dio200: store the pci_dev in the comedi_device

[Ian Abbott]

On 2012-07-19 02:37, H Hartley Sweeten wrote:
> Use the hw_dev pointer in the comedi_device struct to hold the
> pci_dev instead of carrying it in the private data.
>
> Since the pci_dev is no longer held in the provate data, we can
> also cleanup the detach a bit. Remove the IS_ENABLED() tests in
> the detach. If the pci_dev is non NULL it's a PCI device otherwise
> it's an ISA device. Using IS_ENABLED() to omit the code paths
> makes the code a bit confusing and doesn't save much.

No, you really need to check thisboard->bustype in the detach() because 
hw_dev might be NULL for a PCI board if the attach() failed.

-- 
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti at mev.co.uk>        )=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587         )=-