is_power_of_2() already performs the zero check. Hence avoid duplicate check. While at it, move the query of size check also adjacent to where its used for the disabled vq.
Signed-off-by: Feng Liu <fe...@nvidia.com> Reviewed-by: Jiri Pirko <j...@nvidia.com> Reviewed-by: Parav Pandit <pa...@nvidia.com> Reviewed-by: Gavin Li <gav...@nvidia.com> Reviewed-by: Bodong Wang <bod...@nvidia.com> --- drivers/virtio/virtio_pci_modern.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index 9e496e288cfa..3d7144f8f959 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -306,10 +306,10 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, return ERR_PTR(-EINVAL); /* Check if queue is either not available or already active. */ - num = vp_modern_get_queue_size(mdev, index); - if (!num || vp_modern_get_queue_enable(mdev, index)) + if (vp_modern_get_queue_enable(mdev, index)) return ERR_PTR(-ENOENT); + num = vp_modern_get_queue_size(mdev, index); if (!is_power_of_2(num)) { dev_warn(&vp_dev->pci_dev->dev, "bad queue size %u", num); return ERR_PTR(-EINVAL); -- 2.34.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization