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authorAlexey Kodanev <aleksei.kodanev@bell-sw.com>2022-10-04 10:14:01 +0200
committerAlex Deucher <alexander.deucher@amd.com>2022-10-10 23:32:56 +0200
commit2cc4a5914ce952d6fc83b0f8089a23095ad4f677 (patch)
tree9247619973ef4714b7617bd7e800e4b1e3bcf9a2 /drivers
parentdrm/amdgpu: fix SDMA suspend/resume on SR-IOV (diff)
downloadlinux-2cc4a5914ce952d6fc83b0f8089a23095ad4f677.tar.xz
linux-2cc4a5914ce952d6fc83b0f8089a23095ad4f677.zip
drm/amd/pm: vega10_hwmgr: fix potential off-by-one overflow in 'performance_levels'
Since 'hardwareActivityPerformanceLevels' is set to the size of the 'performance_levels' array in vega10_hwmgr_backend_init(), using the '<=' assertion to check for the next index value is incorrect. Replace it with '<'. Detected using the static analysis tool - Svace. Fixes: f83a9991648b ("drm/amd/powerplay: add Vega10 powerplay support (v5)") Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alexey Kodanev <aleksei.kodanev@bell-sw.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c
index 99bfe5efe171..c8c9fb827bda 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c
@@ -3155,7 +3155,7 @@ static int vega10_get_pp_table_entry_callback_func(struct pp_hwmgr *hwmgr,
return -1);
PP_ASSERT_WITH_CODE(
- (vega10_ps->performance_level_count <=
+ (vega10_ps->performance_level_count <
hwmgr->platform_descriptor.
hardwareActivityPerformanceLevels),
"Performance levels exceeds Driver limit!",