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

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Date:   Thu, 31 Mar 2022 11:03:30 +0800
From:   Guo Zhengkui <guozhengkui@...o.com>
To:     Leon Romanovsky <leon@...nel.org>,
        Haakon Bugge <haakon.bugge@...cle.com>
Cc:     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 2022/3/30 20:56, Leon Romanovsky wrote:
> 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.

Should I resubmit the patch including unbalanced curly brackets fixing? 
If not, I can submit another patch to fix this problem.

> 
>>
>>
>> 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
>>

Thanks,

Zhengkui