Re: [PATCH] drivers/base: error handling fixes

[Heiko Carstens <heiko.carstens@de.ibm.com>]

> > +	for_each_online_cpu(cpu) {
> > +		sys_dev = get_cpu_sysdev(cpu);
> > +		rc = topology_add_dev(sys_dev);
> > +		if (rc)
> > +			return rc;
> >  	}
> >  
> >  	register_hotcpu_notifier(&topology_cpu_notifier);
> 
> Shouldn't the added attribute groups be removed again in the failure
> case?
> 
> Also, it might be a bit overkill to fail the whole initialization
> because of one "bad" cpu. (And the "bad" cpu wouldn't matter if we
> could safely remove non-existent groups :)

This is initcall stuff. The only sane reason why this would fail, would
be an out of memory situation . If we are that early short on memory, we
are in serious trouble anyway. So I doubt it's worth the extra code.