Commit 
0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 
 
 failed_free_irq:
        free_irq(keypad->irq, pdev);
-       platform_set_drvdata(pdev, NULL);
 failed_free_dev:
        input_free_device(input_dev);
 failed_put_clk:
 
        free_irq(keypad->irq, pdev);
 
-       platform_set_drvdata(pdev, NULL);
-
        if (keypad->enabled)
                clk_disable(keypad->clk);
        clk_put(keypad->clk);