[PATCH 2/8] power_supply: sysfs: Use power_supply_*() API for accessing function attrs

Pavel Machek pavel at ucw.cz
Wed Oct 15 05:19:29 PDT 2014


> > > @@ -76,7 +76,7 @@ static ssize_t power_supply_show_property(struct device *dev,
> > >  	if (off == POWER_SUPPLY_PROP_TYPE) {
> > >  		value.intval = psy->type;
> > >  	} else {
> > > -		ret = psy->get_property(psy, off, &value);
> > > +		ret = power_supply_get_property(psy, off, &value);
> > >  
> > 
> > One thing.. Your power_supply_get_property (and friends) check for psy
> > == NULL. Is it neccessary / good idea? As far as I can tell, it should
> > not really be NULL...
> 
> It is not necessary. I thought it would be a good behavior of such
> exported function. You're right that this shouldn't be NULL especially
> because previously it was dereferenced.
> 
> Other existing power supply exported functions don't check this so maybe
> I shouldn't introduce inconsistency.
> 
> I'll remove the check and re-spin. I'll found ugly typos in commit
> message anyway.

Thanks!
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html



More information about the linux-arm-kernel mailing list