From e07053241b0264e7b107b2b3f4d899635985d353 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Tue, 11 Oct 2016 18:44:46 +0800 Subject: [PATCH] drm/amd/powerplay: fix static checker warnings in iceland_smc.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit add array length check to avoid buffer overflow. Signed-off-by: Rex Zhu Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c index eda802bc63c8..8c889caba420 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smc.c @@ -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++) {