From: Yang Wang <kevinyang.wang@amd.com>
Date: Tue, 31 Mar 2026 02:23:06 +0000 (-0400)
Subject: drm/amd/pm: fix null pointer dereference issue in smu_v15_0_8_get_power_limit()
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=95e21dff4717c0525f80c225884ddc391911b1c3;p=thirdparty%2Flinux.git

drm/amd/pm: fix null pointer dereference issue in smu_v15_0_8_get_power_limit()

Fix null pointer issues caused by coding errors

Fixes: e20e47bcb3f1 ("drm/amd/pm: add set{get}_power_limit support for smu 15.0.8")
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c
index 1682ef1338f1..756cf4ac00fa 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c
@@ -1785,7 +1785,7 @@ static int smu_v15_0_8_get_power_limit(struct smu_context *smu,
 		*current_power_limit = power_limit;
 
 	if (default_power_limit)
-		*max_power_limit = pptable->MaxSocketPowerLimit;
+		*default_power_limit = pptable->MaxSocketPowerLimit;
 
 	if (max_power_limit)
 		*max_power_limit = pptable->MaxSocketPowerLimit;