diff options
| author | Yicong Yang <yangyicong@hisilicon.com> | 2021-04-08 19:38:11 +0800 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-05-17 13:49:06 +0100 |
| commit | 2c6a958789f79dedef3d661569f7faa7b375b538 (patch) | |
| tree | a2053952f7b1e57de2837ae128e98e42923f2899 /drivers/iio/buffer | |
| parent | 4e023c4dcfc555e9a5f87435cae19412c0684343 (diff) | |
iio: buffer-dmaengine: simplify __devm_iio_dmaengine_buffer_free()
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/1617881896-3164-3-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/buffer')
| -rw-r--r-- | drivers/iio/buffer/industrialio-buffer-dmaengine.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c index d76179878ff9..1ac94c4e9792 100644 --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c @@ -228,9 +228,9 @@ static void iio_dmaengine_buffer_free(struct iio_buffer *buffer) iio_buffer_put(buffer); } -static void __devm_iio_dmaengine_buffer_free(struct device *dev, void *res) +static void __devm_iio_dmaengine_buffer_free(void *buffer) { - iio_dmaengine_buffer_free(*(struct iio_buffer **)res); + iio_dmaengine_buffer_free(buffer); } /** @@ -247,21 +247,17 @@ static void __devm_iio_dmaengine_buffer_free(struct device *dev, void *res) static struct iio_buffer *devm_iio_dmaengine_buffer_alloc(struct device *dev, const char *channel) { - struct iio_buffer **bufferp, *buffer; - - bufferp = devres_alloc(__devm_iio_dmaengine_buffer_free, - sizeof(*bufferp), GFP_KERNEL); - if (!bufferp) - return ERR_PTR(-ENOMEM); + struct iio_buffer *buffer; + int ret; buffer = iio_dmaengine_buffer_alloc(dev, channel); - if (IS_ERR(buffer)) { - devres_free(bufferp); + if (IS_ERR(buffer)) return buffer; - } - *bufferp = buffer; - devres_add(dev, bufferp); + ret = devm_add_action_or_reset(dev, __devm_iio_dmaengine_buffer_free, + buffer); + if (ret) + return ERR_PTR(ret); return buffer; } |