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virtio: Keep vring_del_virtqueue() mirror of VQ create 

Keep the vring_del_virtqueue() mirror of the create routines.
i.e. to delete list entry first as it is added last during the create
routine.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Link: https://lore.kernel.org/r/20210721142648.1525924-3-parav@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Parav Pandit 2021-07-21 17:26:46 +03:00 committed by Michael S. Tsirkin
parent 60f0779862
commit 249f255476
1 changed files with 2 additions and 1 deletions
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3
drivers/virtio/virtio_ring.c
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@ -2291,6 +2291,8 @@ void vring_del_virtqueue(struct virtqueue *_vq)
{
struct vring_virtqueue *vq = to_vvq(_vq);
list_del(&_vq->list);
if (vq->we_own_ring) {
if (vq->packed_ring) {
vring_free_queue(vq->vq.vdev,
@ -2321,7 +2323,6 @@ void vring_del_virtqueue(struct virtqueue *_vq)
kfree(vq->split.desc_state);
kfree(vq->split.desc_extra);
}
list_del(&_vq->list);
kfree(vq);
}
EXPORT_SYMBOL_GPL(vring_del_virtqueue);