linux-kernel - Re: [PATCH] staging: r8188eu: fix suspect code indent for conditional statements

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Date:   Tue, 29 Mar 2022 19:48:03 -0500
From:   Rebecca Mckeever <remckee0@...il.com>
To:     Alison Schofield <alison.schofield@...el.com>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        outreachy@...ts.linux.dev
Subject: Re: [PATCH] staging: r8188eu: fix suspect code indent for
 conditional statements

On Tue, Mar 29, 2022 at 09:16:32AM -0700, Alison Schofield wrote:
> On Tue, Mar 29, 2022 at 02:53:36AM -0500, Rebecca Mckeever wrote:
> > Align the if and else if branches of the conditional statement
> > to improve readability. Prevent bugs that could be introduced
> > if developers misread the code. Issue found by checkpatch.
> 
> Thanks for the patch Rebecca!
> 
> Lots of stuff done right - passes chkp, compiles, patch is sent to
> correct recipients, the commit message follows the format of the file.
> 
> Let's set a pattern here for all checkpatch related cleanups,
> for you and others that follow.(Thanks for being the first ;))
> 
> Commit msg says 'what'. Commit log says 'why'. Acknowledge that
> it was found using checkpatch in the commit log also. (In the future
> you may be acknowledging use of other tools like sparse, coccinelle.)
> 
> Note that the 'why' is never that a tool reported an error. The 'why'
> for these checkpatch reports is usually to follow the Linux Kernel
> Coding Style.
> 
> 'Fix' in the commit message is needlessly generic. Perhaps:
> [PATCH] staging: r8188eu: align both branches of a conditional statement
> 
> Commit log: (what you have is fine in the log)
> I usually paste in the checkpatch error explicitly so it can be grep'd
> for. Something like:
> 
> Issue found by checkpatch:
> WARNING: suspect code indent for conditional statements

There was a section of https://kernelnewbies.org/PatchPhilosophy that suggested
putting the warning message in the subject line. I thought it would be
redundant to also put it in the body. Is it a good practice to include the
warning message in both places?

> 
> Thanks,
> Alison
> 
> > 
> > Signed-off-by: Rebecca Mckeever <remckee0@...il.com>
> > ---
> >  drivers/staging/r8188eu/core/rtw_cmd.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/staging/r8188eu/core/rtw_cmd.c b/drivers/staging/r8188eu/core/rtw_cmd.c
> > index 6eca30124ee8..ccc43c0ba433 100644
> > --- a/drivers/staging/r8188eu/core/rtw_cmd.c
> > +++ b/drivers/staging/r8188eu/core/rtw_cmd.c
> > @@ -1408,7 +1408,7 @@ void rtw_survey_cmd_callback(struct adapter *padapter,  struct cmd_obj *pcmd)
> >  		/* TODO: cancel timer and do timeout handler directly... */
> >  		/* need to make timeout handlerOS independent */
> >  		_set_timer(&pmlmepriv->scan_to_timer, 1);
> > -		} else if (pcmd->res != H2C_SUCCESS) {
> > +	} else if (pcmd->res != H2C_SUCCESS) {
> >  		_set_timer(&pmlmepriv->scan_to_timer, 1);
> >  	}
> >  
> > -- 
> > 2.32.0
> > 
> > 
> 

Thanks,
Rebecca