Re: SYSFS "errors"
From: Borislav Petkov
Date: Mon Feb 18 2013 - 17:44:16 EST
On Mon, Feb 18, 2013 at 02:26:18PM -0800, Greg KH wrote:
> I don't know, it depends on if userspace can handle this properly or
> not. What tools rely on this sysfs file? WHat happens when they get a
> non-number in the file?
I'm not aware of any, frankly speaking.
If there are any, those tools should be able to handle the -ENODEV
they get. Now, if this gets changed this way, the read would succeed
but they'll have to parse the returned value and see that it is not an
So I don't know either.
But my gut feeling says to stay concervative and not touch this code -
we don't know what uses it and how much we would break by "fixing" it.
The current situation is not that big of a deal IMVHO and I'd be willing
to accept the small inconcistency versus possibly breaking userspace.
Sent from a fat crate under my desk. Formatting is fine.
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