Re: [PATCH] libsensors: Add missing attributes

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On Mon, Dec 13, 2010 at 05:19:10AM -0500, Jean Delvare wrote:
> Hi Guenter,
> 
> I forgot something during my review yesterday:
> 
> On Fri, 10 Dec 2010 11:50:05 -0800, Guenter Roeck wrote:
> > The attributes added in this patch are listed in the current version
> > of the hwmon sysfs ABI, but not yet supported by libsensors.
> > 
> > This patch only adds the new attributes to libsensors. The sensors command
> > will be updated in a separate patch.
> > 
> > Signed-off-by: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx>
> > ---
> > (...)
> > Index: lib/sensors.h
> > ===================================================================
> > --- lib/sensors.h	(revision 5889)
> > +++ lib/sensors.h	(working copy)
> > (...)
> > @@ -170,6 +172,9 @@
> >  	SENSORS_SUBFEATURE_TEMP_MIN,
> >  	SENSORS_SUBFEATURE_TEMP_CRIT,
> >  	SENSORS_SUBFEATURE_TEMP_CRIT_HYST,
> > +	SENSORS_SUBFEATURE_TEMP_LCRIT,
> > +	SENSORS_SUBFEATURE_TEMP_EMERGENCY,
> > +	SENSORS_SUBFEATURE_TEMP_EMERGENCY_HYST,
> 
> Please double-check the value of MAX_SUBFEATURES after that. I think
> you'll have to increase it from 8 to 9.
> 
Yes, you are right.

> We want to either add code to check for such overflows (I have a patch
> ready) or compute MAX_SUBFEATURES dynamically (see ticket #2378,
> probably a better move) to avoid such problems again and again in the
> future.
> 
Dynamic computation is definitely much better. I'll wait for your commit 
before I commit my changes.

Guenter


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