Commit 80e9541f authored Jan 04, 2015 by Michael S. Tsirkin

virtio: make del_vqs idempotent



Our code calls del_vqs multiple times, assuming
it's idempotent.

commit 3ec7a77b
    virtio_pci: free up vq->priv
broke this assumption, by adding kfree there,
so multiple calls cause double free.

Fix it up.

Fixes: 3ec7a77b
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

parent b1940cd2

drivers/virtio/virtio_pci_common.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -282,6 +282,7 @@ void vp_del_vqs(struct virtio_device *vdev)

		vp_free_vectors(vdev);
		kfree(vp_dev->vqs);
		vp_dev->vqs = NULL;
		}

		static int vp_try_to_find_vqs(struct virtio_device *vdev, unsigned nvqs,