Re: [Qemu-devel] [PATCH 5/7] virtio: add MemoryListener to cache ring translations

[Stefan Hajnoczi]

On Fri, Jan 20, 2017 at 06:07:55PM +0100, Paolo Bonzini wrote:
> +static void virtio_init_region_cache(VirtIODevice *vdev, int n)
> +{
> +    VirtQueue *vq = &vdev->vq[n];
> +    VRingMemoryRegionCaches *old = vq->vring.caches;
> +    VRingMemoryRegionCaches *new = g_new0(VRingMemoryRegionCaches, 1);
> +    hwaddr addr, size;
> +    int event_size;
> +
> +    event_size = virtio_vdev_has_feature(vq->vdev, VIRTIO_RING_F_EVENT_IDX) 
> ? 2 : 0;
> +
> +    addr = vq->vring.desc;
> +    if (!addr) {
> +        return;

new is leaked.

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