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ASoC: stm32: dfsdm: manage cb buffers cleanup
[ Upstream commit 7d945b046b
]
Ensure that resources allocated by iio_channel_get_all_cb()
are released on driver unbind.
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Link: https://lore.kernel.org/r/20221109170849.273719-1-olivier.moysan@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
parent
8f402fc20a
commit
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1 changed files with 11 additions and 0 deletions
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@ -303,6 +303,11 @@ static int stm32_adfsdm_dummy_cb(const void *data, void *private)
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return 0;
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}
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static void stm32_adfsdm_cleanup(void *data)
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{
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iio_channel_release_all_cb(data);
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}
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static struct snd_soc_component_driver stm32_adfsdm_soc_platform = {
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.open = stm32_adfsdm_pcm_open,
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.close = stm32_adfsdm_pcm_close,
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@ -349,6 +354,12 @@ static int stm32_adfsdm_probe(struct platform_device *pdev)
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if (IS_ERR(priv->iio_cb))
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return PTR_ERR(priv->iio_cb);
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ret = devm_add_action_or_reset(&pdev->dev, stm32_adfsdm_cleanup, priv->iio_cb);
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if (ret < 0) {
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dev_err(&pdev->dev, "Unable to add action\n");
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return ret;
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}
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component = devm_kzalloc(&pdev->dev, sizeof(*component), GFP_KERNEL);
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if (!component)
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return -ENOMEM;
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