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Subject[PATCH] ASoC: Atmel: ClassD: unregister codec when error occurs
Date
Add code to unregister codec in probe function,
when the error occurs after the codec is registered.

Signed-off-by: Songjun Wu <songjun.wu@atmel.com>
---

sound/soc/atmel/atmel-classd.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c
index dca6141..6107de9 100644
--- a/sound/soc/atmel/atmel-classd.c
+++ b/sound/soc/atmel/atmel-classd.c
@@ -640,8 +640,10 @@ static int atmel_classd_probe(struct platform_device *pdev)

/* register sound card */
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
- if (!card)
- return -ENOMEM;
+ if (!card) {
+ ret = -ENOMEM;
+ goto unregister_codec;
+ }

snd_soc_card_set_drvdata(card, dd);
platform_set_drvdata(pdev, card);
@@ -649,16 +651,20 @@ static int atmel_classd_probe(struct platform_device *pdev)
ret = atmel_classd_asoc_card_init(dev, card);
if (ret) {
dev_err(dev, "failed to init sound card\n");
- return ret;
+ goto unregister_codec;
}

ret = devm_snd_soc_register_card(dev, card);
if (ret) {
dev_err(dev, "failed to register sound card: %d\n", ret);
- return ret;
+ goto unregister_codec;
}

return 0;
+
+unregister_codec:
+ snd_soc_unregister_codec(dev);
+ return ret;
}

static int atmel_classd_remove(struct platform_device *pdev)
--
1.7.9.5


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