Re: [PATCH v2 0/5] iio: treewide: rearrange iio trig get/register

[Dmitry Rokosov]

Jonathan,

I've submitted the patch with runtime WARN() as you suggested:

https://lore.kernel.org/linux-iio/20220531181457.26034-1-ddrokosov@xxxxxxxxxxxxxx/

On Sat, May 28, 2022 at 06:10:04PM +0100, Jonathan Cameron wrote:
> > If this call order is wrong, the next iio_trigger_put() (from sysfs
> > callback or "delete module" path) will dereference "default" module
> > refcnt, which is incorrect behaviour.
> 
> Hi Dmitry,
> 
> Series applied to the fixes-togreg branch of iio.git and marked for stable.
> 
> Do you think it's also worth adding a runtime warning in iio_trigger_get()
> on !trig->owner so that we catch any cases of this introduced in the future?
> 

-- 
Thank you,
Dmitry