Re: [PATCH] drm/amd/pm: use kmemdup() rather than kmalloc+memcpy

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Applied.  Thanks!

Alex

On Mon, Aug 24, 2020 at 5:33 PM Alex Dewar <alex.dewar90@xxxxxxxxx> wrote:
>
> Issue identified with Coccinelle.
>
> Signed-off-by: Alex Dewar <alex.dewar90@xxxxxxxxx>
> ---
>  .../drm/amd/pm/powerplay/hwmgr/vega20_processpptables.c   | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_processpptables.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_processpptables.c
> index f56a3cbdfa3b..1f9082539457 100644
> --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_processpptables.c
> +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_processpptables.c
> @@ -890,14 +890,12 @@ static int init_powerplay_table_information(
>                                 power_saving_clock_count);
>         }
>
> -       pptable_information->smc_pptable = kmalloc(sizeof(PPTable_t), GFP_KERNEL);
> +       pptable_information->smc_pptable = kmemdup(&(powerplay_table->smcPPTable),
> +                                                  sizeof(PPTable_t),
> +                                                  GFP_KERNEL);
>         if (pptable_information->smc_pptable == NULL)
>                 return -ENOMEM;
>
> -       memcpy(pptable_information->smc_pptable,
> -                       &(powerplay_table->smcPPTable),
> -                       sizeof(PPTable_t));
> -
>
>         result = append_vbios_pptable(hwmgr, (pptable_information->smc_pptable));
>         if (result)
> --
> 2.28.0
>
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