Re: [PATCH] drm/amd/powerplay: fix memory leak of tdp_table

[Alex Deucher]

On Fri, Mar 18, 2016 at 12:47 PM, Colin King <colin.king@xxxxxxxxxxxxx> wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> tdp_table is being leaked on failed allocations of
> hwmgr->dyn_state.cac_dtp_table. kfree tdp_table on the error
> return path to fix the leak.
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Applied,  thanks!

Alex


> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c
> index 34f4bef..b156481 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c
> @@ -512,8 +512,10 @@ static int get_cac_tdp_table(
>
>         hwmgr->dyn_state.cac_dtp_table = kzalloc(table_size, GFP_KERNEL);
>
> -       if (NULL == hwmgr->dyn_state.cac_dtp_table)
> +       if (NULL == hwmgr->dyn_state.cac_dtp_table) {
> +               kfree(tdp_table);
>                 return -ENOMEM;
> +       }
>
>         memset(hwmgr->dyn_state.cac_dtp_table, 0x00, table_size);
>
> --
> 2.7.3
>
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