Re: [PATCH] drm/amd/pm: Fix a memory leak in an error handling path in 'vangogh_tables_init()'
From: Alex Deucher
Date: Thu Aug 05 2021 - 15:45:44 EST
Applied. Thanks!
Alex
On Thu, Aug 5, 2021 at 2:44 PM Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> 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@xxxxxxxxxx>
> ---
> 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
>