linux-kernel - Re: [PATCH bpf-next 1/5] samples/bpf: Fix typo in comment

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Date:   Wed, 25 Apr 2018 18:01:13 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Jesper Dangaard Brouer <brouer@...hat.com>
Cc:     Daniel Thompson <daniel.thompson@...aro.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next 1/5] samples/bpf: Fix typo in comment

On Fri, Apr 20, 2018 at 03:52:13PM +0200, Jesper Dangaard Brouer wrote:
> On Fri, 20 Apr 2018 14:21:16 +0100
> Daniel Thompson <daniel.thompson@...aro.org> wrote:
> 
> > On Fri, Apr 20, 2018 at 02:10:04PM +0200, Jesper Dangaard Brouer wrote:
> > > 
> > > On Thu, 19 Apr 2018 09:34:02 +0800 Leo Yan <leo.yan@...aro.org> wrote:
> > >   
> > > > Fix typo by replacing 'iif' with 'if'.
> > > > 
> > > > Signed-off-by: Leo Yan <leo.yan@...aro.org>
> > > > ---
> > > >  samples/bpf/bpf_load.c | 2 +-
> > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > > 
> > > > diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
> > > > index bebe418..28e4678 100644
> > > > --- a/samples/bpf/bpf_load.c
> > > > +++ b/samples/bpf/bpf_load.c
> > > > @@ -393,7 +393,7 @@ static int load_elf_maps_section(struct bpf_map_data *maps, int maps_shndx,
> > > >  			continue;
> > > >  		if (sym[nr_maps].st_shndx != maps_shndx)
> > > >  			continue;
> > > > -		/* Only increment iif maps section */
> > > > +		/* Only increment if maps section */
> > > >  		nr_maps++;
> > > >  	}  
> > > 
> > > This was actually not a typo from my side.
> > > 
> > > With 'iif' I mean 'if and only if' ... but it doesn't matter much.  
> > 
> > I think 'if and only if' is more commonly abbreviated 'iff' isn't it?
> 
> Ah, yes![1]  -- then it *is* actually a typo! - LOL
> 
> I'm fine with changing this to "if" :-)

Thanks for the reviewing, Daniel & Jesper.
I also learn it from the discussion :)

> [1] https://en.wikipedia.org/wiki/If_and_only_if
> 
> -- 
> Best regards,
>   Jesper Dangaard Brouer
>   MSc.CS, Principal Kernel Engineer at Red Hat
>   LinkedIn: http://www.linkedin.com/in/brouer