linux-kernel - Re: [PATCH] drm/amd/display: use NULL instead of using plain integer as pointer

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Message-ID: <CADnq5_PB-SOvbJJiRGvGpeLwfYpuYHPT8_0HRW1R6WUJ8vwKiw@mail.gmail.com>
Date:   Wed, 23 Mar 2022 17:42:16 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Haowen Bai <baihaowen@...zu.com>
Cc:     "Wentland, Harry" <harry.wentland@....com>,
        "Leo (Sunpeng) Li" <sunpeng.li@....com>,
        "Siqueira, Rodrigo" <Rodrigo.Siqueira@....com>,
        "Deucher, Alexander" <alexander.deucher@....com>,
        Christian Koenig <christian.koenig@....com>,
        xinhui pan <Xinhui.Pan@....com>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/amd/display: use NULL instead of using plain integer
 as pointer

Thanks for the patches.  I've already applied fixes from others for
these issues.

Alex

On Tue, Mar 22, 2022 at 9:05 AM Haowen Bai <baihaowen@...zu.com> wrote:
>
> This fixes the following sparse warnings:
> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dsc/rc_calc_fpu.c:71:40: warning: Using
> plain integer as NULL pointer
>
> Signed-off-by: Haowen Bai <baihaowen@...zu.com>
> ---
>  drivers/gpu/drm/amd/display/dc/dml/dsc/rc_calc_fpu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dsc/rc_calc_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dsc/rc_calc_fpu.c
> index ec636d0..ef75eb7 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml/dsc/rc_calc_fpu.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml/dsc/rc_calc_fpu.c
> @@ -68,7 +68,7 @@ static void get_qp_set(qp_set qps, enum colour_mode cm, enum bits_per_comp bpc,
>         int sel = table_hash(mode, bpc, max_min);
>         int table_size = 0;
>         int index;
> -       const struct qp_entry *table = 0L;
> +       const struct qp_entry *table = NULL;
>
>         // alias enum
>         enum { min = DAL_MM_MIN, max = DAL_MM_MAX };
> --
> 2.7.4
>