Re: [PATCH 1/7] printk: clean up return value

From: Alan Jenkins
Date: Wed Oct 07 2009 - 12:26:31 EST


Linus Torvalds wrote:
> Hmm. I kind of agree with this, but at the same time I suspect that no
> caller should ever care about the loglevel characters (since they won't be
> _shown_), so your change still doesn't make it return a sensible value.
>
> So I get the feeling that you should also add a
>
> message_len -= 3;
>
> to the case where we peel off the "<.>" loglevel part at the head of the
> string. No?
>

The value is only really sensible for partial printk()s... except that
they're supposed to be prefixed with KERN_CONT. So yes, good point.

> Or we could just change it to 'void'. As Joe Perches says, nobody really
> cares deeply enough for this to generally even matter.
>

That involves more work, which explains why I shied away from it :-).
Ok, I'll do it.

Alan
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