Without "iswara" no "Karma yoga" possible

You have a choice with reference to karma but not with the results. Your actions as an offering to the lord will be the right attitude to Manage "raga" and "dvesha". which is possible if one has got the vision of karma yoga.The yoga of attitudes. The results of your "karma" will be Prasada and hence no failure in life. This is all ones own attitudes which comes out of the basic understanding about iswara