| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.12 114/196] drm/amd/powerplay: fix memory leak in cz_hwmgr backend | Date | Tue, 25 Jul 2017 12:21:53 -0700 |
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4.12-stable review patch. If anyone has any objections, please let me know.
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From: Hawking Zhang <Hawking.Zhang@amd.com>
commit b1e8b9c5b19c58e3159c2acc77167f4a4c74621f upstream.
vddc_dep_on_dal_pwrl is allocated and initialized in cz_hwmgr_backend_init Thus free the memory in cz_hwmgr_backend_fini
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 6 ++++++ 1 file changed, 6 insertions(+)
--- 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 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; }
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