Re: [PATCH 05/13] libnvdimm, blk: use devm_add_action to release bdev resources

[Dan Williams]

On Thu, Mar 24, 2016 at 8:15 AM, Johannes Thumshirn <jthumshirn@xxxxxxx> wrote:
> On Donnerstag, 24. MÃrz 2016 08:14:10 CET Dan Williams wrote:
>> On Thu, Mar 24, 2016 at 4:48 AM, Johannes Thumshirn <jthumshirn@xxxxxxx>
> wrote:
>> > On Mittwoch, 23. MÃrz 2016 18:25:47 CET Dan Williams wrote:
>> >> Register a callback to clean up the request_queue and put the gendisk at
>> >> driver disable time.
>> >>
>> >> Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
>> >> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
>> >
>> > [...]
>> >
>> >>  static int nd_blk_remove(struct device *dev)
>> >>  {
>> >>
>> >> -     struct nd_blk_device *blk_dev = dev_get_drvdata(dev);
>> >> -
>> >>
>> >>       if (is_nd_btt(dev))
>> >>
>> >>               nvdimm_namespace_detach_btt(to_nd_btt(dev));
>> >>
>> >> -     else
>> >> -             nd_blk_detach_disk(blk_dev);
>> >> -     kfree(blk_dev);
>> >> -
>> >>
>> >>       return 0;
>> >>
>> >>  }
>> >
>> > Can't this be void?
>>
>> That's not how the core defines this:
>>
>> struct device_driver {
>> ...
>>         int (*remove) (struct device *dev);
>> ...
>> };
>
> Ah OK, didn't see this, sorry

No worries.  Thanks for the review!