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

[Tian Tao]

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 <tiant...@hisilicon.com>
---
 drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_processpptables.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

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
--- 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;
-- 
2.7.4