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virtio: Free blk virqueues at unrealize() 

The function virtio_del_queue was not called at unrealize() callback.

This was detected due to add an allocated element on the vq introduce
in future commits (used_elems) and running address sanitizer memory
leak detector.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20191025083527.30803-4-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eugenio Pérez 2019-10-25 10:35:22 +02:00 committed by Michael S. Tsirkin
parent f90cda636d
commit 4a0117cf6e
1 changed files with 5 additions and 0 deletions
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5
hw/block/virtio-blk.c
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@ -1206,9 +1206,14 @@ static void virtio_blk_device_unrealize(DeviceState *dev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VirtIOBlock *s = VIRTIO_BLK(dev);
VirtIOBlkConf *conf = &s->conf;
unsigned i;
virtio_blk_data_plane_destroy(s->dataplane);
s->dataplane = NULL;
for (i = 0; i < conf->num_queues; i++) {
virtio_del_queue(vdev, i);
}
qemu_del_vm_change_state_handler(s->change);
blockdev_mark_auto_del(s->blk);
virtio_cleanup(vdev);