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Subject[PATCH 12/12] wm9081: fix resource reclaim in wm9081_register error path
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This patch fixes the error path in wm9081_register to properly free resources.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
sound/soc/codecs/wm9081.c | 11 ++++++-----
1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c
index 13186fb..76b37ff 100644
--- a/sound/soc/codecs/wm9081.c
+++ b/sound/soc/codecs/wm9081.c
@@ -1356,7 +1356,7 @@ static int wm9081_register(struct wm9081_priv *wm9081,
ret = snd_soc_codec_set_cache_io(codec, 8, 16, control);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- return ret;
+ goto err;
}

reg = snd_soc_read(codec, WM9081_SOFTWARE_RESET);
@@ -1369,7 +1369,7 @@ static int wm9081_register(struct wm9081_priv *wm9081,
ret = wm9081_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset\n");
- return ret;
+ goto err;
}

wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
@@ -1388,18 +1388,19 @@ static int wm9081_register(struct wm9081_priv *wm9081,
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(&wm9081_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(wm9081);
return ret;
--
1.5.4.3




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