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iio: hw_consumer: simplify devm_iio_hw_consumer_alloc()

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Use devm_add_action_or_reset() instead of devres_alloc() and
devres_add(), which works the same. This will simplify the
code. There is no functional changes.

Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/1617881896-3164-4-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Yicong Yang 2021-04-08 19:38:12 +08:00 committed by Jonathan Cameron
parent 2c6a958789
commit bfc1807acf
1 changed files with 11 additions and 14 deletions
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25
drivers/iio/buffer/industrialio-hw-consumer.c
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@ -137,9 +137,9 @@ void iio_hw_consumer_free(struct iio_hw_consumer *hwc)
}
EXPORT_SYMBOL_GPL(iio_hw_consumer_free);
static void devm_iio_hw_consumer_release(struct device *dev, void *res)
static void devm_iio_hw_consumer_release(void *iio_hwc)
{
iio_hw_consumer_free(*(struct iio_hw_consumer **)res);
iio_hw_consumer_free(iio_hwc);
}
/**
@ -153,20 +153,17 @@ static void devm_iio_hw_consumer_release(struct device *dev, void *res)
*/
struct iio_hw_consumer *devm_iio_hw_consumer_alloc(struct device *dev)
{
struct iio_hw_consumer **ptr, *iio_hwc;
ptr = devres_alloc(devm_iio_hw_consumer_release, sizeof(*ptr),
GFP_KERNEL);
if (!ptr)
return NULL;
struct iio_hw_consumer *iio_hwc;
int ret;
iio_hwc = iio_hw_consumer_alloc(dev);
if (IS_ERR(iio_hwc)) {
devres_free(ptr);
} else {
*ptr = iio_hwc;
devres_add(dev, ptr);
}
if (IS_ERR(iio_hwc))
return iio_hwc;
ret = devm_add_action_or_reset(dev, devm_iio_hw_consumer_release,
iio_hwc);
if (ret)
return ERR_PTR(ret);
return iio_hwc;
}