Re: [PATCH v2 resend] pinctrl: devicetree: fix refcount leak in pinctrl_dt_to_map()

From: Andy Shevchenko
Date: Thu Apr 18 2024 - 10:05:11 EST


On Thu, Apr 18, 2024 at 07:58:13PM +0800, Zeng Heng wrote:
> If we fail to allocate propname buffer, we need to drop the reference
> count we just took, otherwise it will lead reference leak. Here the
> error exit path is modified to jump to the err label and call
> pinctrl_dt_free_maps() which would drop the counter.
>
> In the meantime, if it is found that the property 'pinctrl-0' is not
> present, ENODEV is returned and also jump to the err label and call the
> free function, in case the Smatch tool complains.

..

> ---
> v2: add a comment and modify the commit message, without any logical
> changes.

You probably didn't get what I was saying...
Linus already applied your version, what is missing is the comment.
This should be done as a followup patch.

--
With Best Regards,
Andy Shevchenko