linux-kernel - Re: [PATCH] drm/amd/display: remove redundant assignment to variable v_total

Open Source and information security mailing list archives

Date:   Mon, 2 Dec 2019 16:38:56 -0500
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>,
        David Zhou <David1.Zhou@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        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 assignment to variable v_total

Applied.  thanks!

Alex

On Mon, Dec 2, 2019 at 10:47 AM Colin King <colin.king@...onical.com> wrote:
>
> From: Colin Ian King <colin.king@...onical.com>
>
> The variable v_total is being initialized with a value that is never
> read and it is being updated later with a new value.  The initialization
> 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/modules/freesync/freesync.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
> index 16e69bbc69aa..fa57885503d4 100644
> --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
> +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
> @@ -122,7 +122,7 @@ static unsigned int calc_v_total_from_refresh(
>                 const struct dc_stream_state *stream,
>                 unsigned int refresh_in_uhz)
>  {
> -       unsigned int v_total = stream->timing.v_total;
> +       unsigned int v_total;
>         unsigned int frame_duration_in_ns;
>
>         frame_duration_in_ns =
> --
> 2.24.0
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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