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

Hawking Zhang Hawking.Zhang at amd.com
Tue Jun 6 08:36:10 UTC 2017


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>
---
 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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