[PATCH] drm/amd/display: Fix memleak in amdgpu_dm_mode_config_init

[Alex Deucher]

Applied.  Thanks!

Alex

On Wed, Aug 26, 2020 at 9:37 AM Dinghao Liu <dinghao.liu at zju.edu.cn> wrote:
>
> When amdgpu_display_modeset_create_props() fails, state and
> state->context should be freed to prevent memleak. It's the
> same when amdgpu_dm_audio_init() fails.
>
> Signed-off-by: Dinghao Liu <dinghao.liu at zju.edu.cn>
> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 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 df9338257ae0..2476e40c67ef 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -2834,12 +2834,18 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
>                                     &dm_atomic_state_funcs);
>
>         r = amdgpu_display_modeset_create_props(adev);
> -       if (r)
> +       if (r) {
> +               dc_release_state(state->context);
> +               kfree(state);
>                 return r;
> +       }
>
>         r = amdgpu_dm_audio_init(adev);
> -       if (r)
> +       if (r) {
> +               dc_release_state(state->context);
> +               kfree(state);
>                 return r;
> +       }
>
>         return 0;
>  }
> --
> 2.17.1
>
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