Re: [PATCH v3 2/2] hwmon: Allow to compile dell-smm-hwmon driver without /proc/i8k
From: Gabriele Mazzotta
Date: Sat Jun 27 2015 - 08:56:05 EST
On Saturday 27 June 2015 14:47:16 Pali Rohár wrote:
> On Saturday 27 June 2015 13:34:30 Gabriele Mazzotta wrote:
> > Hi Pali,
> >
> > I've just noticed an issue with this patch. See the comment here
> > below.
> >
> > Gabriele
> >
> > On Wednesday 29 April 2015 13:41:26 Pali Rohár wrote:
> > > @@ -750,8 +777,8 @@ static int __init i8k_init_hwmon(void)
> > >
> > > if (err >= 0)
> > >
> > > i8k_hwmon_flags |= I8K_HWMON_HAVE_FAN2;
> > >
> > > - i8k_hwmon_dev = hwmon_device_register_with_groups(NULL, "i8k",
> > > NULL, - i8k_groups);
> > > + i8k_hwmon_dev = hwmon_device_register_with_groups(NULL,
> > > "dell-smm", + NULL, i8k_groups);
> >
> > dell-smm is not a valid name, see hwmon_device_register_with_groups()
> > for more info (dash not allowed). Because of this, the driver can't
> > be loaded.
> >
>
> How it is possible? It worked fine on my tested dell machine...
>
> And now I see, I probably tested this change with older kernel version
> (ubuntu/3.13) which did not have that check for invalid characters...
>
> Renaming dell-smm to dell_smm should fix this problem, right?
Yes, everything works just fine with the underscore.
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