Re: linux-next: driver-core tree build warning

From: Greg KH
Date: Tue Feb 02 2010 - 22:16:21 EST


On Fri, Jan 29, 2010 at 06:21:15PM +1100, Stephen Rothwell wrote:
> Hi Greg,
>
> On Thu, 21 Jan 2010 15:10:10 -0800 Greg KH <greg@xxxxxxxxx> wrote:
> >
> > Here's a patch that I just applied to my tree to hopefully resolve this
> > issue.
>
> I still get the warnings.
>
> > -static CLASS_ATTR(probe, S_IWUSR, NULL, cpu_probe_store);
> > -static CLASS_ATTR(release, S_IWUSR, NULL, cpu_release_store);
> > +static SYSDEV_ATTR(probe, S_IWUSR, NULL, cpu_probe_store);
>
> This defines attr_probe as a "struct sysdev_attribute" whose attr element
> is a "struct attribute".
>
> > +static SYSDEV_ATTR(release, S_IWUSR, NULL, cpu_release_store);
> > #endif /* CONFIG_ARCH_CPU_PROBE_RELEASE */
> >
> > #else /* ... !CONFIG_HOTPLUG_CPU */
> > @@ -261,8 +261,8 @@ int __init cpu_dev_init(void)
> >
> > static struct sysdev_class_attribute *cpu_sysdev_class_attrs[] = {
> > #ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
> > - &class_attr_probe.attr,
> > - &class_attr_release.attr,
> > + &attr_probe.attr,
>
> so here we are initialising a "struct sysdev_class_attribute *" with a
> "struct attribute *". Thus the warning.

Doh, sorry about that. I've fixed it up now and pushed it out.

thanks,

greg k-h
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