4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yintian Tao <yttao@xxxxxxx> [ Upstream commit a25513e7b9b15c318ec44113682e988829aef746 ] add smu_free_memory when smu fini to prevent memory leakage v2: squash in typo fix (Yintian) and warning (Harry) Signed-off-by: Yintian Tao <yttao@xxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c @@ -648,6 +648,12 @@ int smu7_init(struct pp_hwmgr *hwmgr) int smu7_smu_fini(struct pp_hwmgr *hwmgr) { + struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend); + + smu_free_memory(hwmgr->device, (void *) smu_data->header_buffer.handle); + if (!cgs_is_virtualization_enabled(hwmgr->device)) + smu_free_memory(hwmgr->device, (void *) smu_data->smu_buffer.handle); + kfree(hwmgr->smu_backend); hwmgr->smu_backend = NULL; cgs_rel_firmware(hwmgr->device, CGS_UCODE_ID_SMU);