Re: [PATCH v1 0/5] iio: treewide: rearrange iio trig get/register

[Andy Shevchenko]

On Mon, May 23, 2022 at 6:42 PM Dmitry Rokosov <DDRokosov@xxxxxxxxxxxxxx> wrote:
>
> The following patchset resolves problems with iio_trigger_get() and
> iio_trigger_register() call order in the different IIO drivers.
>
> IIO trigger interface function iio_trigger_get() should be called after
> iio_trigger_register() (or its devm analogue) strictly, because of
> iio_trigger_get() acquires module refcnt based on the trigger->owner
> pointer, which is initialized inside iio_trigger_register() to
> THIS_MODULE.
> If this call order is wrong, the next iio_trigger_put() (from sysfs
> callbacks or rmmod) will derefence "default" module refcnt, which is

dereference

> completely incorrect.

Cool set! But it sounds like a set of fixes, can you add a Fixes tag
to each of the patches?

-- 
With Best Regards,
Andy Shevchenko