linux-kernel - Re: [PATCH][next] drm/amd/display: remove redundant variable status

Open Source and information security mailing list archives

Date:   Fri, 8 Nov 2019 11:34:45 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Colin King <colin.king@...onical.com>
Cc:     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][next] drm/amd/display: remove redundant variable status

On Fri, Nov 8, 2019 at 11:29 AM Colin King <colin.king@...onical.com> wrote:
>
> From: Colin Ian King <colin.king@...onical.com>
>
> Variable status is redundant, it is being initialized with a value
> that is over-written later and this is being returned immediately
> after the assignment.  Clean up the code by removing status and
> just returning the value returned from the call to function
> dc->hwss.dmdata_status_done.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Applied.  thanks!

Alex

> ---
>  drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
> index 371d49e9b745..88a84bfaea6f 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
> @@ -565,7 +565,6 @@ bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
>
>  bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream)
>  {
> -       bool status = true;
>         struct pipe_ctx *pipe = NULL;
>         int i;
>
> @@ -581,8 +580,7 @@ bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream)
>         if (i == MAX_PIPES)
>                 return true;
>
> -       status = dc->hwss.dmdata_status_done(pipe);
> -       return status;
> +       return dc->hwss.dmdata_status_done(pipe);
>  }
>
>  bool dc_stream_set_dynamic_metadata(struct dc *dc,
> --
> 2.20.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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