linux-kernel - Re: [PATCH] md-multipath: Replace a seq_printf() call by seq_putc() in multipath

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Message-ID: <CAPhsuW7CAfu07Y319eHUUi3Ln422-jMmpTHmy0rT+MxZnO8BBA@mail.gmail.com>
Date:   Wed, 3 Jul 2019 05:17:54 -0700
From:   Song Liu <liu.song.a23@...il.com>
To:     Markus Elfring <Markus.Elfring@....de>
Cc:     linux-raid <linux-raid@...r.kernel.org>,
        Shaohua Li <shli@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] md-multipath: Replace a seq_printf() call by seq_putc()
 in multipath_status()

On Mon, Jul 1, 2019 at 5:25 AM Markus Elfring <Markus.Elfring@....de> wrote:
>
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Mon, 1 Jul 2019 13:07:55 +0200
>
> A single character (depending on a condition check) should be put
> into a sequence. Thus use the corresponding function “seq_putc”.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>

Can you explain why this is necessary?

Thanks,
Song