Re: [PATCH 3/9] drivers/hid/hid-lg4ff.c: avoid world-writable sysfs files.

[simon]

> simon@xxxxxxxxxxxxx writes:
>>> In line with practice for module parameters, we're adding a build-time
>>> check that sysfs files aren't world-writable.
>>
>> So this is the equivalent of 'chmod 774 ...' rather than 'chmod
>> 777...'?
>
> Yep.  Though not sure why it was 777 rather than 666...
>
>> Yep I'm OK with that, however what it the recommended way to make sure
>> that the end user is able to send changes to this /sys portal? I asked
>> the
>> same question before regarding the led class /sys interface, but never
>> got
>> any suggestions.
>>
>> Signed-off-by: Simon Wood <simon@xxxxxxxxxxxxx>
>
> If you need that, we'll need to make an exception.  That's one purpose
> of spamming everyone with these changs...


What's the right way of doing it?... I don't need to be 'special'. ;-)

The '/sys/.../range' control allows the user to limit the rotation of the
gaming wheel from a maximum of 900' down to match the 'car' they
sim-driving. Probably not many people use it, but it probably should be
assigned properly.

With gaming controllers the /dev/input/event* seem to get set
appropriately, but I'm not sure how this happens.

The same /should/ also happen for all the LED class controls, I don't want
to have to 'sudo' just to set a LED on/off. This is currently a problem
for (at least) hid-lg, hid-sony and hid-steelseries.
Simon

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