[PATCH] drm/amd/pm: Fix a memory leak in an error handling path in 'vangogh_tables_init()'

Alex Deucher alexdeucher at gmail.com
Thu Aug 5 19:45:27 UTC 2021


Applied.  Thanks!

Alex

On Thu, Aug 5, 2021 at 2:44 PM Christophe JAILLET
<christophe.jaillet at wanadoo.fr> wrote:
>
> 'watermarks_table' must be freed instead 'clocks_table', because
> 'clocks_table' is known to be NULL at this point and 'watermarks_table' is
> never freed if the last kzalloc fails.
>
> Fixes: c98ee89736b8 ("drm/amd/pm: add the fine grain tuning function for vangogh")
> Signed-off-by: Christophe JAILLET <christophe.jaillet at wanadoo.fr>
> ---
>  drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
> index 335b3c70e1a7..06eea917284e 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
> @@ -256,7 +256,7 @@ static int vangogh_tables_init(struct smu_context *smu)
>         return 0;
>
>  err3_out:
> -       kfree(smu_table->clocks_table);
> +       kfree(smu_table->watermarks_table);
>  err2_out:
>         kfree(smu_table->gpu_metrics_table);
>  err1_out:
> --
> 2.30.2
>


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