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drm/amd/powerplay: fix static checker warnings in iceland_smc.c 

add array length check to avoid buffer overflow.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
steinar/wifi_calib_4_9_kernel
Rex Zhu 2016-10-11 18:44:46 +08:00 committed by Alex Deucher
parent 02cfb5fccb
commit e07053241b
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c
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@ -2458,7 +2458,7 @@ static int iceland_set_mc_special_registers(struct pp_hwmgr *hwmgr,
PP_ASSERT_WITH_CODE((j <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
"Invalid VramInfo table.", return -EINVAL);
if (!data->is_memory_gddr5) {
if (!data->is_memory_gddr5 && j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE) {
table->mc_reg_address[j].s1 = mmMC_PMG_AUTO_CMD;
table->mc_reg_address[j].s0 = mmMC_PMG_AUTO_CMD;
for (k = 0; k < table->num_entries; k++) {