Commit e5f1efb9 authored May 02, 2015 by Gabriele Mazzotta Committed by Jonathan Cameron May 07, 2015

iio: kfifo: Set update_needed to false only if a buffer was allocated



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

parent 0e81bc99

drivers/iio/kfifo_buf.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ 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);
		if (ret >= 0)
		buf->update_needed = false;
		} else {
		kfifo_reset_out(&buf->kf);