Re: [PATCH v2] i2c: i801: fix cleanup code in remove() and error path of probe()

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Hi Jean,

> > > I wouldn't cc stable. For one thing, this patch doesn't fix a bug that
> > > actually bothers people. Error paths are rarely taken, and driver
> > > removal isn't that frequent either. Consequences are also rather
> > > harmless (one-time resource leak, race condition which is quite
> > > unlikely to trigger).  
> > 
> > we are having this same discussion in another thread: if a bug is
> > unlikely to happen, doesn't mean that there is no bug. A fix is a
> > fix and should be backported to stable kernels.
> 
> No. Please read:
> 
>   https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
> 
> There is clearly a list of conditions for a commit to be eligible for
> stable kernel trees. It's not "every fix".

I think you are putting these fixes into the ""This could be a
problem..." type of things".

But as I see these fixes don't belong to this category, as they
are clearing the exit path. This is a kind of fixes I want to see
going to stable.

Which means that if we exit through that path, do we exit
cleanly, e.g., without leaking? If the answer is "no", then this
is a fix and should go to stable.

It belongs to "This could be a problem..." type, things like
dev_err/dev_warn (first thing coming to my mind) or other non
functional fixes.

Maybe this is a matter of opinion and different background. For
the i2c side I'm in peace :-)

For the stable backport I'd love to hear another opinion.

Thanks, Jean!
Andi



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