Re: [PATCH v2 05/12] software_node: unregister software_nodes in reverse order

From: Andy Shevchenko
Date: Mon Dec 21 2020 - 06:27:38 EST


On Mon, Dec 21, 2020 at 11:21:16AM +0200, Sakari Ailus wrote:
> On Thu, Dec 17, 2020 at 11:43:30PM +0000, Daniel Scally wrote:
> > To maintain consistency with software_node_unregister_nodes(), reverse
> > the order in which the software_node_unregister_node_group() function
> > unregisters nodes.

...

> > void software_node_unregister_node_group(const struct software_node **node_group)
> > {
> > - unsigned int i;
> > + unsigned int i = 0;
> >
> > if (!node_group)
> > return;
> >
> > - for (i = 0; node_group[i]; i++)
> > + while (node_group[i]->name)
>
> Why is this change made? node_group is a NULL-terminated array, and the
> above accesses the name pointer on each entry before checking the entry is
> non-NULL. Or do I miss something here?

I believe it's a copy'n'paste typo.

> > + i++;
> > +
> > + while (i--)
> > software_node_unregister(node_group[i]);
> > }

--
With Best Regards,
Andy Shevchenko