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Commit f6c82507 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Rusty Russell
Browse files

virtio: delete vq from list 



This makes delete vq the reverse of find vq.
This is required to make it possible to retry find_vqs
after a failure, otherwise the list gets corrupted.

Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent ff52c3fc

drivers/virtio/virtio_pci.c

+5 −1
Original line number Diff line number Diff line
@@ -464,7 +464,11 @@ static void vp_del_vq(struct virtqueue *vq) 
{

	struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev);

	struct virtio_pci_vq_info *info = vq->priv;

	unsigned long size;

	unsigned long flags, size;



	spin_lock_irqsave(&vp_dev->lock, flags);

	list_del(&info->node);

	spin_unlock_irqrestore(&vp_dev->lock, flags);



	iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_SEL);