Revert "iio: at91_adc: Use devm_kcalloc to allocate arrays"
This reverts commit 45259859492812c8b700ae1d157be01a8d2babfe.
This fixes build error because devm_kcalloc does not exist in current tree.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index a917672..2e2c9a8 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -123,8 +123,10 @@
idev->num_channels = bitmap_weight(&st->channels_mask,
st->num_channels) + 1;
- chan_array = devm_kcalloc(&idev->dev, idev->num_channels + 1,
- sizeof(*chan_array), GFP_KERNEL);
+ chan_array = devm_kzalloc(&idev->dev,
+ ((idev->num_channels + 1) *
+ sizeof(struct iio_chan_spec)),
+ GFP_KERNEL);
if (!chan_array)
return -ENOMEM;
@@ -268,8 +270,9 @@
struct at91_adc_state *st = iio_priv(idev);
int i, ret;
- st->trig = devm_kcalloc(&idev->dev, st->trigger_number,
- sizeof(*st->trig), GFP_KERNEL);
+ st->trig = devm_kzalloc(&idev->dev,
+ st->trigger_number * sizeof(st->trig),
+ GFP_KERNEL);
if (st->trig == NULL) {
ret = -ENOMEM;
@@ -451,8 +454,9 @@
st->registers->trigger_register = prop;
st->trigger_number = of_get_child_count(node);
- st->trigger_list = devm_kcalloc(&idev->dev, st->trigger_number,
- sizeof(*st->trigger_list), GFP_KERNEL);
+ st->trigger_list = devm_kzalloc(&idev->dev, st->trigger_number *
+ sizeof(struct at91_adc_trigger),
+ GFP_KERNEL);
if (!st->trigger_list) {
dev_err(&idev->dev, "Could not allocate trigger list memory.\n");
ret = -ENOMEM;