Re: [RFC PATCH v3 1/5] of: dynamic: Add of_changeset_update_prop_string

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On Sat, Dec 2, 2023 at 9:01 AM Doug Anderson <dianders@xxxxxxxxxxxx> wrote:
>
> Hi,
>
> On Tue, Nov 28, 2023 at 12:45 AM Chen-Yu Tsai <wenst@xxxxxxxxxxxx> wrote:
> >
> > @@ -1039,3 +1039,50 @@ int of_changeset_add_prop_u32_array(struct of_changeset *ocs,
> >         return ret;
> >  }
> >  EXPORT_SYMBOL_GPL(of_changeset_add_prop_u32_array);
> > +
> > +static int of_changeset_update_prop_helper(struct of_changeset *ocs,
> > +                                          struct device_node *np,
> > +                                          const struct property *pp)
> > +{
> > +       struct property *new_pp;
> > +       int ret;
> > +
> > +       new_pp = __of_prop_dup(pp, GFP_KERNEL);
> > +       if (!new_pp)
> > +               return -ENOMEM;
> > +
> > +       ret = of_changeset_update_property(ocs, np, new_pp);
> > +       if (ret) {
> > +               kfree(new_pp->name);
> > +               kfree(new_pp->value);
> > +               kfree(new_pp);
>
> Given that this is the 3rd copy of the freeing logic, does it make
> sense to make __of_prop_free() that's documented to free what was
> returned by __of_prop_dupe()?

Makes sense.  There's also one in property_list_free(). I'll add a patch
for it.

ChenYu





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