Call device_create_file only once in snd_soc_dapm_sys_add function.
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 
 int snd_soc_dapm_sys_add(struct device *dev)
 {
-       int ret;
-
        if (!dapm_status)
                return 0;
-
-       ret = device_create_file(dev, &dev_attr_dapm_widget);
-       if (ret != 0)
-               return ret;
        return device_create_file(dev, &dev_attr_dapm_widget);
 }