Re: [PATCH] iio: light: isl29028: fix runtime PM reference leak on error paths

[Fabio Cesari <fabio.cesari@gmail.com>]

Hi Joshua,

On Sun, 6 Sep 2026 15:55:32 +0200
Joshua Crofts <joshua.crofts1@gmail.com> wrote:

> I'd put this paragraph under the --- as the Assisted-by tag already mentions
> coccinelle.

Agreed.

> The standard is to use "Assisted-by: LLM coccinelle" to prevent free
> advertising of models.

You're right, that is the form coding-assistants.rst asks for. Fixed.

> I'd suggest rewriting the driver to use the
> PM_RUNTIME_ACQUIRE_IF_ENABLED_AUTOSUSPEND macro, as it automatically
> increments the refcount on use and decrements the refcount on scope exit,
> eliminating the need for multiple _put_autosuspend() calls and manual
> checking of the return value of these calls.

Agreed: the leak cannot be reintroduced by a future error path, and the
return value stops reaching userspace. Both functions use it in v2.

Thanks for the review and the suggestion.
v2 follows shortly; I'll add a Suggested-by.

Fabio