ASoC: cpcap: Check for NULL pointer after calling of_get_child_by_name
If the device does not exist, of_get_child_by_name() will return NULL pointer. And devm_snd_soc_register_component() does not check it. Also, I have noticed that cpcap_codec_driver has not been used yet. Therefore, it should be better to check it in order to avoid the future dereference of the NULL pointer. Fixes: f6cdf2d3 ("ASoC: cpcap: new codec") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Link: https://lore.kernel.org/r/20220111025048.524134-1-jiasheng@iscas.ac.cnSigned-off-by: Mark Brown <broonie@kernel.org>
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