linux-kernel - Re: [PATCH] drm/amd/display: Fix wrong return value in dm_update_plane_state()

Open Source and information security mailing list archives

Date:   Tue, 4 Aug 2020 18:19:58 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
Cc:     "Wentland, Harry" <harry.wentland@....com>,
        "Leo (Sunpeng) Li" <sunpeng.li@....com>,
        "Deucher, Alexander" <alexander.deucher@....com>,
        Christian Koenig <christian.koenig@....com>,
        Dave Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "Kazlauskas, Nicholas" <nicholas.kazlauskas@....com>,
        "Siqueira, Rodrigo" <Rodrigo.Siqueira@....com>,
        Bhawanpreet Lakha <Bhawanpreet.Lakha@....com>,
        Stylon Wang <stylon.wang@....com>, Roman Li <roman.li@....com>,
        "Lipski, Mikita" <mikita.lipski@....com>,
        tianjia.zhang@...baba.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: Fix wrong return value in dm_update_plane_state()

On Mon, Aug 3, 2020 at 4:21 AM Tianjia Zhang
<tianjia.zhang@...ux.alibaba.com> wrote:
>
> On an error exit path, a negative error code should be returned
> instead of a positive return value.
>
> Fixes: 9e869063b0021 ("drm/amd/display: Move iteration out of dm_update_planes")
> Cc: Leo Li <sunpeng.li@....com>
> Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 710edc70e37e..5810416e2ddc 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -8182,8 +8182,7 @@ static int dm_update_plane_state(struct dc *dc,
>                                 dm_old_plane_state->dc_state,
>                                 dm_state->context)) {
>
> -                       ret = EINVAL;
> -                       return ret;
> +                       return -EINVAL;
>                 }
>
>
> --
> 2.26.2
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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