[Qemu-devel] [PATCH v2] virtio: Define queue_size to unsigned

[Amos Kong <akong@redhat.com>]

It's not valid for queue_size to be negative, then the type ought
to be unsigned.

Changes from V1:
- drop the check and just define it to unsigned.

Signed-off-by: Amos Kong <akong@redhat.com>
---
 hw/virtio.c |    2 +-
 hw/virtio.h |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/virtio.c b/hw/virtio.c
index 6e8814c..4c1e334 100644
--- a/hw/virtio.c
+++ b/hw/virtio.c
@@ -602,7 +602,7 @@ void virtio_queue_set_vector(VirtIODevice *vdev, int n, uint16_t vector)
         vdev->vq[n].vector = vector;
 }
 
-VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size,
+VirtQueue *virtio_add_queue(VirtIODevice *vdev, unsigned int queue_size,
                             void (*handle_output)(VirtIODevice *, VirtQueue *))
 {
     int i;
diff --git a/hw/virtio.h b/hw/virtio.h
index bc72289..ff0c9b5 100644
--- a/hw/virtio.h
+++ b/hw/virtio.h
@@ -138,7 +138,7 @@ static inline void virtio_set_status(VirtIODevice *vdev, uint8_t val)
     vdev->status = val;
 }
 
-VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size,
+VirtQueue *virtio_add_queue(VirtIODevice *vdev, unsigned int queue_size,
                             void (*handle_output)(VirtIODevice *,
                                                   VirtQueue *));