6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jesse Zhang <jesse.zhang@xxxxxxx> [ Upstream commit a3ac9d1c9751f00026c2d98b802ec8a98626c3ed ] Check for specific indexes that may be invalid values. Signed-off-by: Jesse Zhang <Jesse.Zhang@xxxxxxx> Suggested-by: Tim Huang <Tim.Huang@xxxxxxx> Reviewed-by: Tim Huang <Tim.Huang@xxxxxxx> Reviewed-by: Yang Wang <kevinyang.wang@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index be4b7b64f878..44c5f8585f1e 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -2058,6 +2058,8 @@ static int smu_v13_0_6_mode2_reset(struct smu_context *smu) index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG, SMU_MSG_GfxDeviceDriverReset); + if (index < 0) + return index; mutex_lock(&smu->message_lock); -- 2.43.0
