On 10/14/13 16:09, Lars-Peter Clausen wrote: > update_needed is used to decide whether the kfifo buffer needs to be > re-allocated. It is set to true whenever the size of the buffer is changed. It > is never set to false though, causing the buffer to always be re-allocated. > Setting update_needed to false after the new buffer has been allocated fixes the > problem. > > Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx> A big whoopsy on this one. Well spotted ;) > --- > drivers/iio/kfifo_buf.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/iio/kfifo_buf.c b/drivers/iio/kfifo_buf.c > index a050b18..920e383 100644 > --- a/drivers/iio/kfifo_buf.c > +++ b/drivers/iio/kfifo_buf.c > @@ -40,6 +40,7 @@ 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; > } > r->stufftoread = false; > mutex_unlock(&buf->user_lock); > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
