drm/amd/pm: Remove the unneeded result variable

Return the value append_vbios_pptable() directly instead of storing it in
another redundant variable.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_processpptables.c

@@ -195,7 +195,6 @@ static int init_powerplay_table_information(
 	struct phm_ppt_v3_information *pptable_information =
 		(struct phm_ppt_v3_information *)hwmgr->pptable;
 	uint32_t disable_power_control = 0;
-	int result;
 
 	hwmgr->thermal_controller.ucType = powerplay_table->ucThermalControllerType;
 	pptable_information->uc_thermal_controller_type = powerplay_table->ucThermalControllerType;
@@ -257,9 +256,7 @@ static int init_powerplay_table_information(
 	if (pptable_information->smc_pptable == NULL)
 		return -ENOMEM;
 
-	result = append_vbios_pptable(hwmgr, (pptable_information->smc_pptable));
-
-	return result;
+	return append_vbios_pptable(hwmgr, (pptable_information->smc_pptable));
 }
 
 static int vega12_pp_tables_initialize(struct pp_hwmgr *hwmgr)