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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-03-04 10:55:40 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2019-04-04 20:19:51 +0100
commit3862828a903d3c2b1e9415dca0f4f5d9de52e836 (patch)
tree70f16353ffc0ea5f0bba8c1038e8fbed39e99fa9 /drivers/iio/buffer
parent74c420e0a581c2e333c2f5742506e86f198af70b (diff)
iio: buffer: Switch to bitmap_zalloc()
Switch to bitmap_zalloc() to show clearly what we are allocating. Besides that it returns pointer of bitmap type instead of opaque void *. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/buffer')
-rw-r--r--drivers/iio/buffer/industrialio-buffer-cb.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/iio/buffer/industrialio-buffer-cb.c b/drivers/iio/buffer/industrialio-buffer-cb.c
index ea63c838eeae..df21e7dbec40 100644
--- a/drivers/iio/buffer/industrialio-buffer-cb.c
+++ b/drivers/iio/buffer/industrialio-buffer-cb.c
@@ -36,7 +36,8 @@ static int iio_buffer_cb_store_to(struct iio_buffer *buffer, const void *data)
static void iio_buffer_cb_release(struct iio_buffer *buffer)
{
struct iio_cb_buffer *cb_buff = buffer_to_cb_buffer(buffer);
- kfree(cb_buff->buffer.scan_mask);
+
+ bitmap_free(cb_buff->buffer.scan_mask);
kfree(cb_buff);
}
@@ -74,9 +75,8 @@ struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev,
}
cb_buff->indio_dev = cb_buff->channels[0].indio_dev;
- cb_buff->buffer.scan_mask
- = kcalloc(BITS_TO_LONGS(cb_buff->indio_dev->masklength),
- sizeof(long), GFP_KERNEL);
+ cb_buff->buffer.scan_mask = bitmap_zalloc(cb_buff->indio_dev->masklength,
+ GFP_KERNEL);
if (cb_buff->buffer.scan_mask == NULL) {
ret = -ENOMEM;
goto error_release_channels;
@@ -95,7 +95,7 @@ struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev,
return cb_buff;
error_free_scan_mask:
- kfree(cb_buff->buffer.scan_mask);
+ bitmap_free(cb_buff->buffer.scan_mask);
error_release_channels:
iio_channel_release_all(cb_buff->channels);
error_free_cb_buff: