drm/amd/pm: Use kmemdup instead of kmalloc and memcpy

Fixes coccicheck warning:
drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_processpptables.c:255:
36-43: WARNING opportunity for kmemdup

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_processpptables.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_processpptables.c
index 740e2fc..1e79baa 100644 (file)
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_processpptables.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_processpptables.c
@@ -252,12 +252,11 @@ static int init_powerplay_table_information(
        phm_copy_clock_limits_array(hwmgr, &pptable_information->power_saving_clock_max, powerplay_table->PowerSavingClockMax, ATOM_VEGA12_PPCLOCK_COUNT);
        phm_copy_clock_limits_array(hwmgr, &pptable_information->power_saving_clock_min, powerplay_table->PowerSavingClockMin, ATOM_VEGA12_PPCLOCK_COUNT);
 
-       pptable_information->smc_pptable = kmalloc(sizeof(PPTable_t), GFP_KERNEL);
+       pptable_information->smc_pptable = kmemdup(&(powerplay_table->smcPPTable),
+                                                  sizeof(PPTable_t), GFP_KERNEL);
        if (pptable_information->smc_pptable == NULL)
                return -ENOMEM;
 
-       memcpy(pptable_information->smc_pptable, &(powerplay_table->smcPPTable), sizeof(PPTable_t));
-
        result = append_vbios_pptable(hwmgr, (pptable_information->smc_pptable));
 
        return result;