staging: iio: ade7758_core: Use devm_iio_device_alloc
devm_iio_device_alloc makes code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Barry Song <21cnbao@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c
index 6a62751..cba183e 100644
--- a/drivers/staging/iio/meter/ade7758_core.c
+++ b/drivers/staging/iio/meter/ade7758_core.c
@@ -849,12 +849,11 @@
{
int ret;
struct ade7758_state *st;
- struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st));
+ struct iio_dev *indio_dev;
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!indio_dev)
+ return -ENOMEM;
st = iio_priv(indio_dev);
/* this is only used for removal purposes */
@@ -862,10 +861,8 @@
/* Allocate the comms buffers */
st->rx = kcalloc(ADE7758_MAX_RX, sizeof(*st->rx), GFP_KERNEL);
- if (st->rx == NULL) {
- ret = -ENOMEM;
- goto error_free_dev;
- }
+ if (!st->rx)
+ return -ENOMEM;
st->tx = kcalloc(ADE7758_MAX_TX, sizeof(*st->tx), GFP_KERNEL);
if (st->tx == NULL) {
ret = -ENOMEM;
@@ -920,9 +917,6 @@
kfree(st->tx);
error_free_rx:
kfree(st->rx);
-error_free_dev:
- iio_device_free(indio_dev);
-error_ret:
return ret;
}
@@ -939,8 +933,6 @@
kfree(st->tx);
kfree(st->rx);
- iio_device_free(indio_dev);
-
return 0;
}