ASoC: wm8955: fix resource reclaim in wm8955_register error path

This patch fixes the error path in wm8955_register to properly free resources.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/wm8955.c b/sound/soc/codecs/wm8955.c
index fedb764..5f02559 100644 (file)
--- a/sound/soc/codecs/wm8955.c
+++ b/sound/soc/codecs/wm8955.c
@@ -964,7 +964,8 @@ static int wm8955_register(struct wm8955_priv *wm8955,
 
        if (wm8955_codec) {
                dev_err(codec->dev, "Another WM8955 is registered\n");
-               return -EINVAL;
+               ret = -EINVAL;
+               goto err;
        }
 
        mutex_init(&codec->mutex);
@@ -1047,18 +1048,19 @@ static int wm8955_register(struct wm8955_priv *wm8955,
        ret = snd_soc_register_codec(codec);
        if (ret != 0) {
                dev_err(codec->dev, "Failed to register codec: %d\n", ret);
-               return ret;
+               goto err_enable;
        }
 
        ret = snd_soc_register_dai(&wm8955_dai);
        if (ret != 0) {
                dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
-               snd_soc_unregister_codec(codec);
-               return ret;
+               goto err_codec;
        }
 
        return 0;
 
+err_codec:
+       snd_soc_unregister_codec(codec);
 err_enable:
        regulator_bulk_disable(ARRAY_SIZE(wm8955->supplies), wm8955->supplies);
 err_get: