Commit 0c3ee078 authored by Ramax Lo's avatar Ramax Lo Committed by Ben Dooks
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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: default avatarRamax Lo <ramaxlo@gmail.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent f8c8ac81

arch/arm/plat-s3c24xx/adc.c

+17 −0
Original line number Diff line number Diff line
@@ -190,6 +190,23 @@ EXPORT_SYMBOL_GPL(s3c_adc_register); 
void s3c_adc_release(struct s3c_adc_client *client)

{

	/* 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);

}

EXPORT_SYMBOL_GPL(s3c_adc_release);