From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Tue, 6 Jun 2017 16:25:44 +0800
Subject: [PATCH] drm/amd/powerplay: fix memory leak in cz_hwmgr backend
References: bnc#1060662
Patch-mainline: 4.12.4
Git-commit: b1e8b9c5b19c58e3159c2acc77167f4a4c74621f
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>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
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 7aa5ca815a3a..0b74da3dca8b 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;
}
--
2.14.2