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| author | Ramax Lo <ramaxlo@gmail.com> | 2009-04-14 23:56:18 +0800 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2009-04-17 12:46:36 +0100 |
| commit | 0c3ee078251b85812e585b5cf5d1635afd73f4e2 (patch) | |
| tree | cbf8ed548280cc99d66e1d3b8a1375fe1f908e37 /arch/arm | |
| parent | f8c8ac8109ecdd3583b0ac9fd3adf058678a802e (diff) | |
| download | blackbird-op-linux-0c3ee078251b85812e585b5cf5d1635afd73f4e2.tar.gz blackbird-op-linux-0c3ee078251b85812e585b5cf5d1635afd73f4e2.zip | |
[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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/plat-s3c24xx/adc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c index bc6f6a14dd12..91adfa71c172 100644 --- a/arch/arm/plat-s3c24xx/adc.c +++ b/arch/arm/plat-s3c24xx/adc.c @@ -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); |
