linux-kernel - Re: [PATCH 04/18] software_node: Enforce parent before child ordering of nodes array for software_node_register

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Message-ID: <20201130173718.GP4077@smile.fi.intel.com>
Date:   Mon, 30 Nov 2020 19:37:18 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Daniel Scally <djrscally@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org,
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Subject: Re: [PATCH 04/18] software_node: Enforce parent before child
 ordering of nodes array for software_node_register_nodes()

On Mon, Nov 30, 2020 at 07:35:30PM +0200, Andy Shevchenko wrote:
> On Mon, Nov 30, 2020 at 01:31:15PM +0000, Daniel Scally wrote:

...

> >  	for (i = 0; nodes[i].name; i++) {
> > +		if (nodes[i].parent)
> > +			if (!software_node_to_swnode(nodes[i].parent)) {
> > +				ret = -EINVAL;
> > +				goto err_unregister_nodes;
> > +			}
> > +
> 
> Besides that can we pack these conditionals together?
> 
> 		if (nodes[i].parent && !software_node_to_swnode(nodes[i].parent)) {

For being it shorter you may use temporary variable:

		software_node *parent;

		parent = nodes[i].parent;
		if (parent && !software_node_to_swnode(parent)) {

-- 
With Best Regards,
Andy Shevchenko