iio:kfifo: Fix memory leak

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>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/kfifo_buf.c b/drivers/iio/kfifo_buf.c
index b4ac55a..ce51092 100644 (file)
--- 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 = {