linux-kernel - Re: [PATCH] drm/mediatek: eliminate the magic number in array size

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Message-ID: <CAAOTY_9HjWiWq5twkpXd+-D4fZ32f483815BcZ-5UbA9cyxCjA@mail.gmail.com>
Date:   Wed, 6 May 2020 21:06:16 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Bernard Zhao <bernard@...o.com>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        opensource.kernel@...o.com
Subject: Re: [PATCH] drm/mediatek: eliminate the magic number in array size

Hi, Bernard:

Bernard Zhao <bernard@...o.com> 於 2020年5月6日 週三 下午8:43寫道：
>
> Eiminate the magic number in array size, there macro defines in
> hdmi.h.

Reviewed-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>

>
> Signed-off-by: Bernard Zhao <bernard@...o.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_hdmi.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> index ff43a3d80410..4c962c7f06e5 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> @@ -982,7 +982,7 @@ static int mtk_hdmi_setup_avi_infoframe(struct mtk_hdmi *hdmi,
>                                         struct drm_display_mode *mode)
>  {
>         struct hdmi_avi_infoframe frame;
> -       u8 buffer[17];
> +       u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
>         ssize_t err;
>
>         err = drm_hdmi_avi_infoframe_from_display_mode(&frame,
> @@ -1008,7 +1008,7 @@ static int mtk_hdmi_setup_spd_infoframe(struct mtk_hdmi *hdmi,
>                                         const char *product)
>  {
>         struct hdmi_spd_infoframe frame;
> -       u8 buffer[29];
> +       u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_SPD_INFOFRAME_SIZE];
>         ssize_t err;
>
>         err = hdmi_spd_infoframe_init(&frame, vendor, product);
> @@ -1031,7 +1031,7 @@ static int mtk_hdmi_setup_spd_infoframe(struct mtk_hdmi *hdmi,
>  static int mtk_hdmi_setup_audio_infoframe(struct mtk_hdmi *hdmi)
>  {
>         struct hdmi_audio_infoframe frame;
> -       u8 buffer[14];
> +       u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE];
>         ssize_t err;
>
>         err = hdmi_audio_infoframe_init(&frame);
> --
> 2.26.2
>