linux-kernel - Re: [PATCH] drm/amd/display: Remove redundant initialization of variable eng

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Message-ID: <CADnq5_Nh57mfc+aXCGxy9+V2DFCEH0wO0Lcj1B9Qk93otY_t3w@mail.gmail.com>
Date:   Fri, 6 Aug 2021 15:58:15 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        xinhui pan <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, Jun Lei <Jun.Lei@....com>,
        Jimmy Kizito <Jimmy.Kizito@....com>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>, kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/amd/display: Remove redundant initialization of
 variable eng_id

Applied.  Thanks!

Alex

On Fri, Aug 6, 2021 at 7:16 AM Colin King <colin.king@...onical.com> wrote:
>
> From: Colin Ian King <colin.king@...onical.com>
>
> The variable eng_id is being initialized with a value that is never
> read, it is being re-assigned on the next statment. The assignment
> is redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
> index 1a89d565c92e..de80a9ea4cfa 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
> @@ -305,7 +305,7 @@ struct link_encoder *link_enc_cfg_get_next_avail_link_enc(
>         const struct dc_state *state)
>  {
>         struct link_encoder *link_enc = NULL;
> -       enum engine_id eng_id = ENGINE_ID_UNKNOWN;
> +       enum engine_id eng_id;
>
>         eng_id = find_first_avail_link_enc(dc->ctx, state);
>         if (eng_id != ENGINE_ID_UNKNOWN)
> --
> 2.31.1
>