struct device_node *playback, *capture;
        struct rsnd_dai_stream *io_playback;
        struct rsnd_dai_stream *io_capture;
-       struct snd_soc_dai_driver *drv;
+       struct snd_soc_dai_driver *rdrv, *drv;
        struct rsnd_dai *rdai;
        struct device *dev = rsnd_priv_to_dev(priv);
        int nr, dai_i, io_i, np_i;
                goto rsnd_dai_probe_done;
        }
 
-       drv  = devm_kzalloc(dev, sizeof(*drv)  * nr, GFP_KERNEL);
+       rdrv = devm_kzalloc(dev, sizeof(*rdrv) * nr, GFP_KERNEL);
        rdai = devm_kzalloc(dev, sizeof(*rdai) * nr, GFP_KERNEL);
-       if (!drv || !rdai) {
+       if (!rdrv || !rdai) {
                ret = -ENOMEM;
                goto rsnd_dai_probe_done;
        }
 
        priv->rdai_nr   = nr;
-       priv->daidrv    = drv;
+       priv->daidrv    = rdrv;
        priv->rdai      = rdai;
 
        /*
        dai_i = 0;
        for_each_child_of_node(dai_node, dai_np) {
                rdai            = rsnd_rdai_get(priv, dai_i);
-               drv             = drv + dai_i;
+               drv             = rdrv + dai_i;
                io_playback     = &rdai->playback;
                io_capture      = &rdai->capture;