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[ARM] S3C24XX: ADC: Check pending queue before freeing adc client

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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>
This commit is contained in:
Ramax Lo 2009-04-14 23:56:18 +08:00 committed by Ben Dooks
parent f8c8ac8109
commit 0c3ee07825
1 changed files with 17 additions and 0 deletions
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17
arch/arm/plat-s3c24xx/adc.c
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@ -190,6 +190,23 @@ EXPORT_SYMBOL_GPL(s3c_adc_register);
void s3c_adc_release(struct s3c_adc_client *client) void s3c_adc_release(struct s3c_adc_client *client)
{ {
/* We should really check that nothing is in progress. */ /* We should really check that nothing is in progress. */
if (adc_dev->cur == client)
adc_dev->cur = NULL;
if (adc_dev->ts_pend == client)
adc_dev->ts_pend = NULL;
else {
struct list_head *p, *n;
struct s3c_adc_client *tmp;
list_for_each_safe(p, n, &adc_pending) {
tmp = list_entry(p, struct s3c_adc_client, pend);
if (tmp == client)
list_del(&tmp->pend);
}
}
if (adc_dev->cur == NULL)
s3c_adc_try(adc_dev);
kfree(client); kfree(client);
} }
EXPORT_SYMBOL_GPL(s3c_adc_release); EXPORT_SYMBOL_GPL(s3c_adc_release);