[PATCH 2/2] drm/amd/powerplay: fix memory leak in cz_hwmgr backend

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Hawking Zhang
> Sent: Tuesday, June 06, 2017 4:36 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Zhang, Hawking
> Subject: [PATCH 2/2] drm/amd/powerplay: fix memory leak in cz_hwmgr
> backend
> 
> vddc_dep_on_dal_pwrl is allocated and initialized in cz_hwmgr_backend_init
> Thus free the memory in cz_hwmgr_backend_fini
> 
> Change-Id: Idd6dd4b76894579674bf334339b71df8559637fd
> Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>

Series is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
> index 7aa5ca8..0b74da3 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
> @@ -1224,6 +1224,12 @@ static int cz_hwmgr_backend_fini(struct
> pp_hwmgr *hwmgr)
>  		phm_destroy_table(hwmgr, &(hwmgr-
> >disable_dynamic_state_management));
>  		phm_destroy_table(hwmgr, &(hwmgr-
> >power_down_asic));
>  		phm_destroy_table(hwmgr, &(hwmgr->setup_asic));
> +
> +		if (NULL != hwmgr->dyn_state.vddc_dep_on_dal_pwrl) {
> +			kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl);
> +			hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL;
> +		}
> +
>  		kfree(hwmgr->backend);
>  		hwmgr->backend = NULL;
>  	}
> --
> 2.7.4
> 
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