>> …
>>> +++ b/drivers/iio/industrialio-buffer.c
>> …
>>> +static void iio_buffer_dmabuf_release(struct kref *ref)
>>> +{
>> …
>>> + dma_resv_lock(dmabuf->resv, NULL);
>>> + dma_buf_unmap_attachment(attach, priv->sgt, priv->dir);
>>> + dma_resv_unlock(dmabuf->resv);
>> …
>>
>> Under which circumstances will another lock guard become applicable?
>> https://elixir.bootlin.com/linux/v6.10-rc4/source/include/linux/cleanup.h#L179
>
> As soon as "struct dma_resv" gets a DEFINE_GUARD().
Would any contributor like to add a macro call accordingly?
Regards,
Markus
