From: Lars-Peter Clausen Date: Tue, 15 Oct 2013 08:38:00 +0000 (+0100) Subject: iio:buffer: Free active scan mask in iio_disable_all_buffers() X-Git-Tag: firefly_0821_release~176^2~5136^2^2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e086ed76671252d5b539854a83f8506be7bea05c;p=firefly-linux-kernel-4.4.55.git iio:buffer: Free active scan mask in iio_disable_all_buffers() Usually the active scan mask is freed in __iio_update_buffers() when the buffer is disabled. But when the device is still sampling when it is removed we'll end up disabling the buffers in iio_disable_all_buffers(). So we also need to free the active scan mask here, otherwise it will be leaked. Signed-off-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 2710f7245c3b..2db7dcd826b9 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -477,6 +477,9 @@ void iio_disable_all_buffers(struct iio_dev *indio_dev) indio_dev->currentmode = INDIO_DIRECT_MODE; if (indio_dev->setup_ops->postdisable) indio_dev->setup_ops->postdisable(indio_dev); + + if (indio_dev->available_scan_masks == NULL) + kfree(indio_dev->active_scan_mask); } int iio_update_buffers(struct iio_dev *indio_dev,