On 02/05/15 13:31, Gabriele Mazzotta wrote:
> Check whether the allocation of a new kfifo buffer failed or not before
> setting the update_needed flag to false. This will make
> iio_request_update_kfifo() try to allocate a new buffer the next time a
> buffer update is requested.
>
> Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>
Applied to the fixes to greg branch of iio.git
The way things are going right now, I might actually get time to
push this out on Saturday.... Which is more than I expected this
morning.
J
> ---
> drivers/iio/kfifo_buf.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/iio/kfifo_buf.c b/drivers/iio/kfifo_buf.c
> index 847ca56..55c267b 100644
> --- a/drivers/iio/kfifo_buf.c
> +++ b/drivers/iio/kfifo_buf.c
> @@ -38,7 +38,8 @@ static int iio_request_update_kfifo(struct iio_buffer *r)
> kfifo_free(&buf->kf);
> ret = __iio_allocate_kfifo(buf, buf->buffer.bytes_per_datum,
> buf->buffer.length);
> - buf->update_needed = false;
> + if (ret >= 0)
> + buf->update_needed = false;
> } else {
> kfifo_reset_out(&buf->kf);
> }
>
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