linux-kernel - Re: [PATCH] Fix line too long warning

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Date:   Sun, 29 Oct 2017 18:54:09 +0300
From:   Yury Norov <ynorov@...iumnetworks.com>
To:     Kien Ha <kienha9922@...il.com>
Cc:     linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        Yury Norov <ynorov@...iumnetworks.com>
Subject: Re: [PATCH] Fix line too long warning

Hi Kien,

On Sat, Oct 28, 2017 at 10:46:13PM -0400, Kien Ha wrote:
> >From fc52a98aca0c033f2c03fdc7e8f83ae49625675a Mon Sep 17 00:00:00 2001
> From: Kien Ha <kienha9922@...il.com>
> Date: Fri, 27 Oct 2017 14:07:55 -0400
> Subject: [PATCH] Fix line too long warning
> 
> Signed-off-by: Kien Ha <kienha9922@...il.com>
> ---
>  drivers/staging/rtlwifi/base.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/rtlwifi/base.c b/drivers/staging/rtlwifi/base.c
> index b88b0e8edd3d..bbc80f976e12 100644
> --- a/drivers/staging/rtlwifi/base.c
> +++ b/drivers/staging/rtlwifi/base.c
> @@ -1283,7 +1283,8 @@ void rtl_get_tcb_desc(struct ieee80211_hw *hw,
>  				} else {
>  					if (rtlmac->mode == WIRELESS_MODE_B) {
>  						tcb_desc->hw_rate =
> -						    rtlpriv->cfg->maps[RTL_RC_CCK_RATE11M];
> +						    rtlpriv->cfg->maps[
> +						    RTL_RC_CCK_RATE11M];

At first, if you fix this, you should also fix similar problem 3 lines
below, right?

>  					} else {
>  						tcb_desc->hw_rate =
>  						    rtlpriv->cfg->maps[RTL_RC_OFDM_RATE54M];

At second, and most important, refer Documentation/process/coding-style.rst:
Now, some people will claim that having 8-character indentations makes
the code move too far to the right, and makes it hard to read on a 
80-character terminal screen.  The answer to that is that if you need 
more than 3 levels of indentation, you're screwed anyway, and should fix
your program.

The real problem here is not "line too long", but "indentation level too
big" - 5. And it worth to address real problem.

Yury