linux-kernel - Re: [PATCH linux-next] RDMA: simplify if-if to if-else

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Message-ID: <YkRTidagKVgSUGld@unreal>
Date:   Wed, 30 Mar 2022 15:56:41 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Haakon Bugge <haakon.bugge@...cle.com>
Cc:     Guo Zhengkui <guozhengkui@...o.com>,
        Mustafa Ismail <mustafa.ismail@...el.com>,
        Shiraz Saleem <shiraz.saleem@...el.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Yishai Hadas <yishaih@...dia.com>,
        OFED mailing list <linux-rdma@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        "zhengkui_guo@...look.com" <zhengkui_guo@...look.com>
Subject: Re: [PATCH linux-next] RDMA: simplify if-if to if-else

On Wed, Mar 30, 2022 at 12:26:51PM +0000, Haakon Bugge wrote:
> 
> 
> > On 30 Mar 2022, at 13:32, Leon Romanovsky <leon@...nel.org> wrote:
> > 
> > On Wed, Mar 30, 2022 at 11:06:03AM +0000, Haakon Bugge wrote:
> >> 
> >> 
> >>> On 30 Mar 2022, at 13:02, Leon Romanovsky <leon@...nel.org> wrote:
> >>> 
> >>> On Mon, Mar 28, 2022 at 09:08:59PM +0800, Guo Zhengkui wrote:
> >>>> `if (!ret)` can be replaced with `else` for simplification.
> >>>> 
> >>>> Signed-off-by: Guo Zhengkui <guozhengkui@...o.com>
> >>>> ---
> >>>> drivers/infiniband/hw/irdma/puda.c | 4 ++--
> >>>> drivers/infiniband/hw/mlx4/mcg.c   | 3 +--
> >>>> 2 files changed, 3 insertions(+), 4 deletions(-)
> >>>> 
> >>> 
> >>> Thanks,
> >>> Reviewed-by: Leon Romanovsky <leonro@...dia.com>
> >> 
> >> Fix the unbalanced curly brackets at the same time?
> > 
> > I think that it is ok to have if () ... else { ... } code.
> 
> 
> Hmm, doesn't the kernel coding style say:
> 
> "Do not unnecessarily use braces where a single statement will do."
> 
> [snip]
> 
> "This does not apply if only one branch of a conditional statement is a single statement; in the latter case use braces in both branches"

ok, if it is written in documentation, let's follow it.

Thanks for pointing that out.

> 
> 
> Thxs, Håkon
> 
> 
> > 
> > There is one place that needs an indentation fix, in mlx4, but it is
> > faster to fix when applying the patch instead of asking to resubmit.
> > 
> > thanks
> > 
> >> 
> >> 
> >> Thxs, Håkon
>