ASoC: Fix leaks in WM8731 probe error handling

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index d7f4788..dfbc1bb 100644 (file)
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -560,7 +560,8 @@ static int wm8731_register(struct wm8731_priv *wm8731)
 
        if (wm8731_codec) {
                dev_err(codec->dev, "Another WM8731 is registered\n");
-               return -EINVAL;
+               ret = -EINVAL;
+               goto err;
        }
 
        mutex_init(&codec->mutex);
@@ -583,8 +584,8 @@ static int wm8731_register(struct wm8731_priv *wm8731)
 
        ret = wm8731_reset(codec);
        if (ret < 0) {
-               dev_err(codec->dev, "Failed to issue reset\n");
-               return ret;
+               dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
+               goto err;
        }
 
        wm8731_dai.dev = codec->dev;
@@ -610,17 +611,23 @@ static int wm8731_register(struct wm8731_priv *wm8731)
        ret = snd_soc_register_codec(codec);
        if (ret != 0) {
                dev_err(codec->dev, "Failed to register codec: %d\n", ret);
-               return ret;
+               goto err;
        }
 
        ret = snd_soc_register_dai(&wm8731_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:
+       kfree(wm8731);
+       return ret;
 }
 
 static void wm8731_unregister(struct wm8731_priv *wm8731)