diff options
Diffstat (limited to 'drivers/iio/industrialio-buffer.c')
| -rw-r--r-- | drivers/iio/industrialio-buffer.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index aaadd32f9f0d..e13c5f4b12cb 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -119,7 +119,8 @@ static ssize_t iio_scan_el_show(struct device *dev, int ret; struct iio_dev *indio_dev = dev_to_iio_dev(dev); - ret = test_bit(to_iio_dev_attr(attr)->address, + /* Ensure ret is 0 or 1. */ + ret = !!test_bit(to_iio_dev_attr(attr)->address, indio_dev->buffer->scan_mask); return sprintf(buf, "%d\n", ret); @@ -762,7 +763,8 @@ int iio_scan_mask_query(struct iio_dev *indio_dev, if (!buffer->scan_mask) return 0; - return test_bit(bit, buffer->scan_mask); + /* Ensure return value is 0 or 1. */ + return !!test_bit(bit, buffer->scan_mask); }; EXPORT_SYMBOL_GPL(iio_scan_mask_query); @@ -847,7 +849,7 @@ static int iio_buffer_update_demux(struct iio_dev *indio_dev, /* Now we have the two masks, work from least sig and build up sizes */ for_each_set_bit(out_ind, - indio_dev->active_scan_mask, + buffer->scan_mask, indio_dev->masklength) { in_ind = find_next_bit(indio_dev->active_scan_mask, indio_dev->masklength, |