linux-kernel - Re: [PATCH] drm/dp_mst: Simplify character output in drm_dp_mst_dump

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Message-ID: <309be6eb922432d6da8a0824304bd4c29c40f515.camel@redhat.com>
Date: Tue, 23 Jul 2024 14:20:09 -0400
From: Lyude Paul <lyude@...hat.com>
To: Markus Elfring <Markus.Elfring@....de>, dri-devel@...ts.freedesktop.org,
  kernel-janitors@...r.kernel.org, Christophe Jaillet
 <christophe.jaillet@...adoo.fr>, Daniel Vetter <daniel@...ll.ch>, David
 Airlie <airlied@...il.com>, Imre Deak <imre.deak@...el.com>, Jani Nikula
 <jani.nikula@...el.com>, Maarten Lankhorst
 <maarten.lankhorst@...ux.intel.com>,  Maxime Ripard <mripard@...nel.org>,
 Thomas Zimmermann <tzimmermann@...e.de>, Ville Syrjälä
 <ville.syrjala@...ux.intel.com>, Wayne Lin <Wayne.Lin@....com>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/dp_mst: Simplify character output in
 drm_dp_mst_dump_topology()

Reviewed-by: Lyude Paul <lyude@...hat.com>

Will push to the kernel in just a moment

On Mon, 2024-07-15 at 13:26 +0200, Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Mon, 15 Jul 2024 13:12:10 +0200
> 
> Single characters should be put into a sequence.
> Thus use the corresponding function “seq_putc” for one selected call.
> 
> This issue was transformed by using the Coccinelle software.
> 
> Suggested-by: Christophe Jaillet <christophe.jaillet@...adoo.fr>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  drivers/gpu/drm/display/drm_dp_mst_topology.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c
> index fc2ceae61db2..65c1700f3e40 100644
> --- a/drivers/gpu/drm/display/drm_dp_mst_topology.c
> +++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c
> @@ -4963,7 +4963,7 @@ void drm_dp_mst_dump_topology(struct seq_file *m,
>  		seq_printf(m, "branch oui: %*phN devid: ", 3, buf);
> 
>  		for (i = 0x3; i < 0x8 && buf[i]; i++)
> -			seq_printf(m, "%c", buf[i]);
> +			seq_putc(m, buf[i]);
>  		seq_printf(m, " revision: hw: %x.%x sw: %x.%x\n",
>  			   buf[0x9] >> 4, buf[0x9] & 0xf, buf[0xa], buf[0xb]);
>  		if (dump_dp_payload_table(mgr, buf))
> --
> 2.45.2
> 

-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat

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