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>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 
 err_irq:
        free_irq(atmel_wm97xx->ac97c_irq, atmel_wm97xx);
 err:
-       platform_set_drvdata(pdev, NULL);
        kfree(atmel_wm97xx);
        return ret;
 }
        free_irq(atmel_wm97xx->ac97c_irq, atmel_wm97xx);
        del_timer_sync(&atmel_wm97xx->pen_timer);
        wm97xx_unregister_mach_ops(wm);
-       platform_set_drvdata(pdev, NULL);
        kfree(atmel_wm97xx);
 
        return 0;