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ASoC: mc13783: Ensure we only try to dereference valid of_nodes

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Reported-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mark Brown 2014-10-08 15:31:18 +01:00
parent a5448c88b8
commit a66ae631a3
1 changed files with 10 additions and 6 deletions
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16
sound/soc/codecs/mc13783.c
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@ -765,12 +765,18 @@ static int __init mc13783_codec_probe(struct platform_device *pdev)
return -ENOSYS;
ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
if (ret)
goto out;
if (ret) {
of_node_put(np);
return ret;
}
ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
if (ret)
goto out;
if (ret) {
of_node_put(np);
return ret;
}
of_node_put(np);
}
dev_set_drvdata(&pdev->dev, priv);
@ -783,8 +789,6 @@ static int __init mc13783_codec_probe(struct platform_device *pdev)
ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783,
mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
out:
of_node_put(np);
return ret;
}