table = kzalloc(table_size, GFP_KERNEL);
 
-       if (NULL == table)
+       if (table == NULL)
                return -ENOMEM;
 
        table->count = vddc_lookup_pp_tables->ucNumEntries;
 
        hwmgr->pptable = kzalloc(sizeof(struct phm_ppt_v2_information), GFP_KERNEL);
 
-       PP_ASSERT_WITH_CODE((NULL != hwmgr->pptable),
+       PP_ASSERT_WITH_CODE((hwmgr->pptable != NULL),
                            "Failed to allocate hwmgr->pptable!", return -ENOMEM);
 
        powerplay_table = get_powerplay_table(hwmgr);
 
-       PP_ASSERT_WITH_CODE((NULL != powerplay_table),
+       PP_ASSERT_WITH_CODE((powerplay_table != NULL),
                "Missing PowerPlay Table!", return -1);
 
        result = check_powerplay_tables(hwmgr, powerplay_table);
        const ATOM_Vega10_State_Array *state_arrays;
        const ATOM_Vega10_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
 
-       PP_ASSERT_WITH_CODE((NULL != pp_table),
+       PP_ASSERT_WITH_CODE((pp_table != NULL),
                        "Missing PowerPlay Table!", return -1);
        PP_ASSERT_WITH_CODE((pp_table->sHeader.format_revision >=
                        ATOM_Vega10_TABLE_REVISION_VEGA10),