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

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Message-ID: <YcHACtgpYcAWU68K@valkosipuli.retiisi.eu>
Date:   Tue, 21 Dec 2021 13:52:42 +0200
From:   Sakari Ailus <sakari.ailus@....fi>
To:     Clément Léger <clement.leger@...tlin.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] software node: fix wrong node passed to find nargs_prop

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>

Thank you (and thanks to Andy for cc'ing me).

Reviewed-by: Sakari Ailus <sakari.ailus@...ux.intel.com>

> ---
>  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)

-- 
Sakari Ailus