[AMD Official Use Only - General]
Reviewed-by: Yang Wang <kevinyang.wang@xxxxxxx>
-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jesse Zhang
Sent: Friday, May 10, 2024 10:50 AM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx>; Huang, Tim <Tim.Huang@xxxxxxx>; Zhang, Jesse(Jie) <Jesse.Zhang@xxxxxxx>; Zhang, Jesse(Jie) <Jesse.Zhang@xxxxxxx>
Subject: [PATCH 09/22] drm/amd/pm: check specific index for smu13
Check for specific indexes that may be invalid values.
Signed-off-by: Jesse Zhang <Jesse.Zhang@xxxxxxx>
---
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 051092f1b1b4..7c343dd12a7f 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
@@ -2336,6 +2336,8 @@ 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)
+ ret = -EINVAL;
mutex_lock(&smu->message_lock);
--
2.25.1
