This patch fixes the error path in wm8955_register to properly free resources.
Signed-off-by: Axel Lin axel.lin@gmail.com --- sound/soc/codecs/wm8955.c | 10 ++++++---- 1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/wm8955.c b/sound/soc/codecs/wm8955.c index fedb764..5f02559 100644 --- 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: