diff options
-rw-r--r-- | drivers/iio/industrialio-buffer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index ac185b8694b..2f35db93cdb 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -553,6 +553,10 @@ int iio_sw_buffer_preenable(struct iio_dev *indio_dev) buffer->scan_mask); else indio_dev->active_scan_mask = buffer->scan_mask; + + if (indio_dev->active_scan_mask == NULL) + return -EINVAL; + iio_update_demux(indio_dev); if (indio_dev->info->update_scan_mode) |