Re: [PATCH] [JFFS2] jffs2_start_garbage_collect_thread() returnvalue cleanup

From: Andrew Morton
Date: Wed Jun 24 2009 - 23:00:52 EST


On Wed, 24 Jun 2009 11:09:01 +0100 David Woodhouse <dwmw2@xxxxxxxxxxxxx> wrote:

> On Tue, 2009-06-02 at 15:11 +0300, Gerard Lledo wrote:
> > There is no user of this return value in the kernel. Change it to return void
> > instead.
>
> NAK. I hate this type of patch.
>
> A function _should_ return an error value indicating success or failure,
> if there's _any_ chance that it (or a future rewrite of it) may fail.
>
> It's up to the _callers_ to act on that result, or not, as they see fit.

True.

> Andrew, may I suggest that you look for such justification in future
> patches of this type?

eh, I sometimes don't even look at them. I just save them up in case of
maintainer fumblage.

I might retain this one as a "jffs2 fails to check
jffs2_start_garbage_collect_thread() return value" bug report :)
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