linux-kernel - Re: [PATCH] software node: fix wrong node passed to find nargs

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Message-ID: <CAJZ5v0jgnE7rMPVEmohgYVt7ODzNkdq-ZRs4D1-hkzwXTky25w@mail.gmail.com>
Date:   Wed, 22 Dec 2021 18:27:35 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Clément Léger <clement.leger@...tlin.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] software node: fix wrong node passed to find nargs_prop

On Wed, Dec 22, 2021 at 12:19 PM Heikki Krogerus
<heikki.krogerus@...ux.intel.com> wrote:
>
> On Mon, Dec 20, 2021 at 10:05:33PM +0100, Clément Léger wrote:
> > nargs_prop refers to a property located in the reference that is found
> > within the nargs property. Use the correct reference node in call to
> > property_entry_read_int_array() to retrieve the correct nargs value.
> >
> > Fixes: b06184acf751 ("software node: Add software_node_get_reference_args()")
> > Signed-off-by: Clément Léger <clement.leger@...tlin.com>
>
> Acked-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

Applied as 5.17 material, thanks!

> > ---
> >  drivers/base/swnode.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
> > index 4debcea4fb12..0a482212c7e8 100644
> > --- a/drivers/base/swnode.c
> > +++ b/drivers/base/swnode.c
> > @@ -529,7 +529,7 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode,
> >               return -ENOENT;
> >
> >       if (nargs_prop) {
> > -             error = property_entry_read_int_array(swnode->node->properties,
> > +             error = property_entry_read_int_array(ref->node->properties,
> >                                                     nargs_prop, sizeof(u32),
> >                                                     &nargs_prop_val, 1);
> >               if (error)
> > --
> > 2.34.1
>
> --
> heikki