[PATCH] drm/amd/powerplay: fix potential issue of array access violation
Rex Zhu
Rex.Zhu at amd.com
Wed Sep 14 11:45:32 UTC 2016
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
index bfe1a14..1167205 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
@@ -399,12 +399,9 @@ int phm_reset_single_dpm_table(void *table,
struct vi_dpm_table *dpm_table = (struct vi_dpm_table *)table;
- PP_ASSERT_WITH_CODE(count <= max,
- "Fatal error, can not set up single DPM table entries to exceed max number!",
- );
+ dpm_table->count = count > max ? max : count;
- dpm_table->count = count;
- for (i = 0; i < max; i++)
+ for (i = 0; i < dpm_table->count; i++)
dpm_table->dpm_level[i].enabled = false;
return 0;
--
1.9.1
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