ASoC: simple-card: Add cpu_dai and codec_dai names NULL check
The name of cpu DAI maybe omitted, and then strlen() will lead kernel panic. Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> Signed-off-by: Mark Brown <broonie@linaro.org>
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@ -142,6 +142,9 @@ static int asoc_simple_card_parse_of(struct device_node *node,
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if (ret < 0)
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if (ret < 0)
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return ret;
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return ret;
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if (!info->cpu_dai.name || !info->codec_dai.name)
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return -EINVAL;
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/* card name is created from CPU/CODEC dai name */
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/* card name is created from CPU/CODEC dai name */
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name = devm_kzalloc(dev,
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name = devm_kzalloc(dev,
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strlen(info->cpu_dai.name) +
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strlen(info->cpu_dai.name) +
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