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Date:   Sat, 11 Nov 2017 03:03:39 +0100
From:   Samuel Thibault <samuel.thibault@ens-lyon.org>
To:     "Gustavo A. R. Silva" <garsilva@embeddedor.com>
Cc:     William Hubbs <w.d.hubbs@gmail.com>,
        Chris Brannon <chris@the-brannons.com>,
        Kirk Reiser <kirk@reisers.ca>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        speakup@linux-speakup.org, devel@driverdev.osuosl.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] staging: speakup: selection: replace _manual_ swap with
 swap macro
Message-ID: <20171111020339.zbaqsxzy2jo4uygs@var.youpi.perso.aquilenet.fr>
Mail-Followup-To: Samuel Thibault <samuel.thibault@ens-lyon.org>,
        "Gustavo A. R. Silva" <garsilva@embeddedor.com>,
        William Hubbs <w.d.hubbs@gmail.com>,
        Chris Brannon <chris@the-brannons.com>,
        Kirk Reiser <kirk@reisers.ca>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        speakup@linux-speakup.org, devel@driverdev.osuosl.org,
        linux-kernel@vger.kernel.org
References: <20171110221303.GA29629@embeddedor.com>
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Gustavo A. R. Silva, on ven. 10 nov. 2017 16:13:03 -0600, wrote:
> Make use of the swap macro instead of _manually_ swapping values
> and remove unnecessary variable tmp.
> 
> This makes the code easier to read and maintain.
> 
> This code was detected with the help of Coccinelle.
> 
> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>

Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

> ---
>  drivers/staging/speakup/selection.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/staging/speakup/selection.c b/drivers/staging/speakup/selection.c
> index 66061b5..0ed1fef 100644
> --- a/drivers/staging/speakup/selection.c
> +++ b/drivers/staging/speakup/selection.c
> @@ -64,13 +64,8 @@ int speakup_set_selection(struct tty_struct *tty)
>  	ps = spk_ys * vc->vc_size_row + (spk_xs << 1);
>  	pe = spk_ye * vc->vc_size_row + (spk_xe << 1);
>  
> -	if (ps > pe) {
> -		/* make sel_start <= sel_end */
> -		int tmp = ps;
> -
> -		ps = pe;
> -		pe = tmp;
> -	}
> +	if (ps > pe)	/* make sel_start <= sel_end */
> +		swap(ps, pe);
>  
>  	if (spk_sel_cons != vc_cons[fg_console].d) {
>  		speakup_clear_selection();
> -- 
> 2.7.4
> 

-- 
Samuel
<b> il faut combien de chevaux pour tirer une doloréan à 88 morph ?
***b vient de remarque que 88 mph c'est 142 km/h
<y> aaaaah
<y> c'est pour ça qu'ils limitent à 130 km/h sur les autoroutes
<y> c'est pour éviter que les gens voyagent dans le temps
<b> probablement

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