linux-kernel - Re: [PATCH v2] staging: greybus: remove tabs to fix line length and merge lines

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Date:   Tue, 21 Mar 2023 22:00:24 +0500
From:   Khadija Kamran <kamrankhadijadj@...il.com>
To:     Ira Weiny <ira.weiny@...el.com>
Cc:     outreachy@...ts.linux.dev,
        Vaibhav Hiremath <hvaibhav.linux@...il.com>,
        Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        greybus-dev@...ts.linaro.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] staging: greybus: remove tabs to fix line length and
 merge lines

On Mon, Mar 20, 2023 at 05:33:44PM -0700, Ira Weiny wrote:
> Khadija Kamran wrote:
> > On Sun, Mar 12, 2023 at 06:01:03PM -0700, Ira Weiny wrote:
> > > Khadija Kamran wrote:
> > > > In file drivers/staging/greybus/arche-platform.c,
> > > > - Length of line 181 exceeds 100 columns, fix by removing tabs from the
> > > >   line.
> > > > - If condition and spin_unlock_...() call is split into two lines, join
> > > > them to form a single line.
> > > > 
> > > > Signed-off-by: Khadija Kamran <kamrankhadijadj@...il.com>
> > > 
> > > Fundamentally the problem with arche_platform_wd_irq() is that the
> > > indentation is too great.
> > > 
> > > "... if you need more than 3 levels of indentation, you’re screwed anyway,
> > > and should fix your program."
> > > 
> > > 	-- https://www.kernel.org/doc/html/v4.10/process/coding-style.html#indentation
> > > 
> > > I think a better solution would be to refactor the entire function.  This
> > > would make the logic of the function more clear as well IMHO.
> > > 
> > > Here is another tip to help:
> > > 
> > > https://www.kernel.org/doc/html/v4.10/process/coding-style.html#centralized-exiting-of-functions
> > > 
> > > Do you think you could try that?
> > 
> > Hey Ira!
> > 
> > Sorry about the late reply. Thank you for your feedback. I have looked
> > into the above link. Are you referring to the use of goto statements in
> > arche_platform_wd_irq() call?
> 
> I'm not quite sure I understand what you mean because currently
> arche_platform_wd_irq() does not use gotos.
> 
> But I think you are asking if I think it should.  If that is what you mean
> then 'yes' I think arche_platform_wd_irq() could use goto's to clean up
> the flow.
>

Hey Ira,

Yes, I am asking if I should use goto's. Thank you for the reply. Let me
get back to you after making the changes.

Regards,
Khadija

> Ira