[PATCH v2 1/4] iio:kfifo: Fix memory leak

[Lars-Peter Clausen <lars@metafoo.de>]

We need to free the kfifo when we release the buffer, otherwise the fifos memory
will be leaked.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>

---
New in v2

Btw. This is all against togreg, since it is probably already to late for
fixes-togreg.
---
 drivers/iio/kfifo_buf.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/kfifo_buf.c b/drivers/iio/kfifo_buf.c
index b4ac55a..ce51092 100644
--- a/drivers/iio/kfifo_buf.c
+++ b/drivers/iio/kfifo_buf.c
@@ -132,7 +132,10 @@ static int iio_read_first_n_kfifo(struct iio_buffer *r,
 
 static void iio_kfifo_buffer_release(struct iio_buffer *buffer)
 {
-	kfree(iio_to_kfifo(buffer));
+	struct iio_kfifo *kf = iio_to_kfifo(buffer);
+
+	kfifo_free(&kf->kf);
+	kfree(kf);
 }
 
 static const struct iio_buffer_access_funcs kfifo_access_funcs = {
-- 
1.8.0