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[ARM] S3C24XX: ADC: Check pending queue before freeing adc client
Check pending queue and remove the adc client being released. Signed-off-by: Ramax Lo <ramaxlo@gmail.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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1 changed files with 17 additions and 0 deletions
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@ -190,6 +190,23 @@ EXPORT_SYMBOL_GPL(s3c_adc_register);
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void s3c_adc_release(struct s3c_adc_client *client)
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{
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/* We should really check that nothing is in progress. */
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if (adc_dev->cur == client)
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adc_dev->cur = NULL;
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if (adc_dev->ts_pend == client)
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adc_dev->ts_pend = NULL;
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else {
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struct list_head *p, *n;
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struct s3c_adc_client *tmp;
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list_for_each_safe(p, n, &adc_pending) {
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tmp = list_entry(p, struct s3c_adc_client, pend);
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if (tmp == client)
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list_del(&tmp->pend);
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}
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}
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if (adc_dev->cur == NULL)
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s3c_adc_try(adc_dev);
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kfree(client);
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}
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EXPORT_SYMBOL_GPL(s3c_adc_release);
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