From b3b32c94133621c9ba7e4c8f29ec7533f2f4d8ec Mon Sep 17 00:00:00 2001 From: Heinz Graalfs Date: Tue, 29 Oct 2013 09:40:19 +1030 Subject: virtio_ring: add new function virtqueue_is_broken() Add new function virtqueue_is_broken(). Callers of virtqueue_get_buf() should check for a broken queue. Signed-off-by: Heinz Graalfs Signed-off-by: Rusty Russell --- include/linux/virtio.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/virtio.h') diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 9b4de15fcb2f..e4abb84199be 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -73,6 +73,8 @@ void *virtqueue_detach_unused_buf(struct virtqueue *vq); unsigned int virtqueue_get_vring_size(struct virtqueue *vq); +bool virtqueue_is_broken(struct virtqueue *vq); + /** * virtio_device - representation of a device using virtio * @index: unique position on the virtio bus -- cgit